1
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Chen J, Zhang H, Yu F, Chen Y. Evaluation of Polymetallic Phosphide Cathodes for Sodium-Air Batteries by Distribution of Relaxation Time. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26226-26233. [PMID: 38723247 DOI: 10.1021/acsami.4c03678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Sodium-oxygen batteries are emerging as a new energy storage system because of their high energy density and low cost. However, the cycling performance of the battery is not satisfying due to its insulating discharge product. Here, we synthesized metallic phosphides with gradient concentration (g-CoNiFe-P) and their uniform counterpart (CoNiFe-P) as cathode catalysts in a Na-O2 battery. Notably, the distribution of relaxation time (DRT) was utilized to identify the rate-determining step in a Na-O2 battery, evaluate the catalytic performance of the catalysts, and monitor the change of every single electrochemical process along the whole cycling process to study the degradation mechanism. The g-CoNiFe-P catalyst presented better initial capacity and cycling performances. The evolution of the kinetic processes resulting in battery degradation has been investigated by DRT analysis, which assists with characterizations. Our work demonstrates the application of DRT in battery diagnosis to evaluate the catalytic performance of catalysts and monitor the changes in different kinetic processes of new energy systems.
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Affiliation(s)
- Juan Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Hongyu Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Fengjiao Yu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Yuhui Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
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2
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Mishra A, Zorigt M, Kim DO, Rodríguez-López J. Voltammetric Detection of Singlet Oxygen Enabled by Nanogap Scanning Electrochemical Microscopy. J Am Chem Soc 2024; 146:8847-8851. [PMID: 38511940 DOI: 10.1021/jacs.4c00414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Despite the significance of singlet oxygen (1O2) in several biological, chemical, and energy storage systems, its voltammetric reduction at an electrode remains unreported. We address this issue using nanogap scanning electrochemical microscopy (SECM) in substrate-generation/tip-collection mode. Our investigation reveals a reductive process on the SECM tip at -1.0 V (vs Fc+/Fc) during the breakdown of the Li2CO3 substrate in deuterated acetonitrile. Notably, this value is approximately 0.9 V more positive than the reduction potential of triplet oxygen (3O2), consistent with thermodynamic estimates for the energy of the formation of 1O2. This finding holds significant implications for understanding the reaction mechanisms involving 1O2 in nonaqueous media.
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Affiliation(s)
- Abhiroop Mishra
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Michelle Zorigt
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Dong Ok Kim
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Joaquín Rodríguez-López
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, United States
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3
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Liu Y, Li Z, Gao Y, Wang C, Wang X, Wang X, Xue X, Wang K, Cui W, Gao F, He S, Wu Z, Qi F, Gan J, Wang Y, Zheng W, Yang Y, Chen J, Pan H. Recent Advances in Understanding of the Singlet Oxygen in Energy Storage and Conversion. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311500. [PMID: 38372501 DOI: 10.1002/smll.202311500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/17/2024] [Indexed: 02/20/2024]
Abstract
Singlet oxygen (term symbol 1 Δg , hereafter 1 O2 ), a reactive oxygen species, has recently attracted increasing interest in the field of rechargeable batteries and electrocatalysis and photocatalysis. These sustainable energy conversion and storage technologies are of vital significance to replace fossil fuels and promote carbon neutrality and finally tackle the energy crisis and climate change. Herein, the recent progresses of 1 O2 for energy storage and conversion is summarized, including physical and chemical properties, formation mechanisms, detection technologies, side reactions in rechargeable batteries and corresponding inhibition strategies, and applications in electrocatalysis and photocatalysis. The formation mechanisms and inhibition strategies of 1 O2 in particular aprotic lithium-oxygen (Li-O2 ) batteries are highlighted, and the applications of 1 O2 in photocatalysis and electrocatalysis is also emphasized. Moreover, the confronting challenges and promising directions of 1 O2 in energy conversion and storage systems are discussed.
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Affiliation(s)
- Yanxia Liu
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Zhenglong Li
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Yong Gao
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Chenxing Wang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Xinqiang Wang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Xin Wang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Xu Xue
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Ke Wang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Wengang Cui
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Fan Gao
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Shengnan He
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Zhijun Wu
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Fulai Qi
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Jiantuo Gan
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Yujing Wang
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Wenjun Zheng
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (MOE), TKL of Metal and Molecule-based Material Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Yaxiong Yang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Jian Chen
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Hongge Pan
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
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4
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Mondal S, Jethwa RB, Pant B, Hauschild R, Freunberger SA. Singlet oxygen formation in non-aqueous oxygen redox chemistry: direct spectroscopic evidence for formation pathways and reliability of chemical probes. Faraday Discuss 2024; 248:175-189. [PMID: 37750344 DOI: 10.1039/d3fd00088e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Singlet oxygen (1O2) formation is now recognised as a key aspect of non-aqueous oxygen redox chemistry. For identifying 1O2, chemical trapping via 9,10-dimethylanthracene (DMA) to form the endoperoxide (DMA-O2) has become the main method due to its sensitivity, selectivity, and ease of use. While DMA has been shown to be selective for 1O2, rather than forming DMA-O2 with a wide variety of potentially reactive O-containing species, false positives might hypothetically be obtained in the presence of previously overlooked species. Here, we first provide unequivocal direct spectroscopic proof via the 1O2-specific near-infrared (NIR) emission at 1270 nm for the previously proposed 1O2 formation pathways, which centre around superoxide disproportionation. We then show that peroxocarbonates, common intermediates in metal-O2 and metal carbonate electrochemistry, do not produce false-positive DMA-O2. Moreover, we identify a previously unreported 1O2-forming pathway through the reaction of CO2 with superoxide. Overall, we provide unequivocal proof for 1O2 formation in non-aqueous oxygen redox chemistry and show that chemical trapping with DMA is a reliable method to assess 1O2 formation.
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Affiliation(s)
- Soumyadip Mondal
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
| | - Rajesh B Jethwa
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
| | - Bhargavi Pant
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
| | - Robert Hauschild
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
| | - Stefan A Freunberger
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
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5
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Córdoba D, Benavides LN, Murgida DH, Rodríguez HB, Calvo EJ. Operando detection and suppression of spurious singlet oxygen in Li-O 2 batteries. Faraday Discuss 2024; 248:190-209. [PMID: 37800181 DOI: 10.1039/d3fd00081h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
The rechargeable lithium air (oxygen) battery (Li-O2) has very high energy density, comparable to that of fossil fuels (∼3600 W h kg-1). However, the parasitic reactions of the O2 reduction products with solvent and electrolyte lead to capacity fading and poor cyclability. During the oxygen reduction reaction (ORR) in aprotic solvents, the superoxide radical anion (O2˙-) is the main one-electron reaction product, which in the presence of Li+ ions undergoes disproportionation to yield Li2O2 and O2, a fraction of which results in singlet oxygen (1O2). The very reactive 1O2 is responsible for the spurious reactions that lead to high charging overpotential and short cycle life due to solvent and electrolyte degradation. Several techniques have been used for the detection and suppression of 1O2 inside a Li-O2 battery under operation and to test the efficiency and electrochemical stability of different physical quenchers of 1O2: azide anions, 1,4-diazabicyclo[2.2.2]octane (DABCO) and triphenylamine (TPA) in different solvents (dimethyl sulfoxide (DMSO), diglyme and tetraglyme). Operando detection of 1O2 inside the battery was accomplished by following dimethylanthracene fluorescence quenching using a bifurcated optical fiber in front-face mode through a quartz window in the battery. Differential oxygen-pressure measurements during charge-discharge cycles vs. charge during battery operation showed that the number of electrons per oxygen molecule was n > 2 in the absence of physical quenchers of 1O2, due to spurious reactions, and n = 2 in the presence of physical quenchers of 1O2, proving the suppression of spurious reactions. Battery cycling at a limited specific capacity of 500 mA h gC-1 for the MWCNT cathode and 250 mA gC-1 current density, in the absence and presence of a physical quencher or a physical quencher plus the redox mediator I3-/I- (with a lithiated Nafion® membrane), showed increasing cyclability according to coulombic efficiency and cell voltage data over 100 cycles. Operando Raman studies with a quartz window at the bottom of the battery allowed detection of Li2O2 and excess I3- redox mediator during discharge and charge, respectively.
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Affiliation(s)
- Daniel Córdoba
- INQUIMAE/DQIAyQF, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Ciudad Autónoma de Buenos Aires, Argentina.
| | - Leandro N Benavides
- INQUIMAE/DQIAyQF, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Ciudad Autónoma de Buenos Aires, Argentina.
| | - Daniel H Murgida
- INQUIMAE/DQIAyQF, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Ciudad Autónoma de Buenos Aires, Argentina.
| | - Hernan B Rodríguez
- INQUIMAE/DQIAyQF, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Ciudad Autónoma de Buenos Aires, Argentina.
| | - Ernesto J Calvo
- INQUIMAE/DQIAyQF, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Ciudad Autónoma de Buenos Aires, Argentina.
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6
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Jethwa RB, Mondal S, Pant B, Freunberger SA. To DISP or Not? The Far-Reaching Reaction Mechanisms Underpinning Lithium-Air Batteries. Angew Chem Int Ed Engl 2023:e202316476. [PMID: 38095355 DOI: 10.1002/anie.202316476] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Indexed: 06/11/2024]
Abstract
The short history of research on Li-O2 batteries has seen a remarkable number of mechanistic U-turns over the years. From the initial use of carbonate electrolytes, that were then found to be entirely unsuitable, to the belief that (su)peroxide was solely responsible for degradation, before the more reactive singlet oxygen was found to form, to the hypothesis that capacity depends on a competing surface/solution mechanism before a practically exclusive solution mechanism was identified. Herein, we argue for an ever-fresh look at the reported data without bias towards supposedly established explanations. We explain how the latest findings on rate and capacity limits, as well as the origin of side reactions, are connected via the disproportionation (DISP) step in the (dis)charge mechanism. Therefrom, directions emerge for the design of electrolytes and mediators on how to suppress side reactions and to enable high rate and high reversible capacity.
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Affiliation(s)
- Rajesh B Jethwa
- Institute of Science and Technology Austria, Am Campus 1, 3400, Klosterneuburg, Austria
| | - Soumyadip Mondal
- Institute of Science and Technology Austria, Am Campus 1, 3400, Klosterneuburg, Austria
| | - Bhargavi Pant
- Institute of Science and Technology Austria, Am Campus 1, 3400, Klosterneuburg, Austria
| | - Stefan A Freunberger
- Institute of Science and Technology Austria, Am Campus 1, 3400, Klosterneuburg, Austria
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7
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Asserghine A, Baby A, Putnam ST, Qian P, Gao E, Zhao H, Rodríguez-López J. In situ detection of reactive oxygen species spontaneously generated on lead acid battery anodes: a pathway for degradation and self-discharge at open circuit. Chem Sci 2023; 14:12292-12298. [PMID: 37969580 PMCID: PMC10631249 DOI: 10.1039/d3sc04736a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 10/17/2023] [Indexed: 11/17/2023] Open
Abstract
Prospects for refurbishing and recycling energy storage technologies such as lead acid batteries (LABs) prompt a better understanding of their failure mechanisms. LABs suffer from a high self-discharge rate accompanied by deleterious hard sulfation processes which dramatically decrease cyclability. Furthermore, the evolution of H2, CO, and CO2 also poses safety risks. Despite the maturity of LAB technologies, the mechanisms behind these degradation phenomena have not been well established, thus hindering attempts to extend the cycle life of LABs in a sustainable manner. Here, we investigate the effect of the oxygen reduction reaction (ORR) on the sulfation of LAB anodes under open circuit (OC). For the first time, we found that the sulfation reaction is significantly enhanced in the presence of oxygen. Interestingly, we also report the formation of reactive oxygen species (ROS) during this process, known to hamper cycle life of batteries via corrosion. Electron spin resonance (ESR) and in situ scanning electrochemical microscopy (SECM) unambiguously demonstrated the presence of OH˙ and of H2O2 as the products of spontaneous ORR on LAB anodes. High temporal resolution SECM measurements of the hydrogen evolution reaction (HER) during LAB anode corrosion displayed a stochastic nature, highlighting the value of the in situ experiment. Balancing the ORR and HER prompts self-discharge while reaction of the carbon additives with highly oxidizing ROS may explain previously reported parasitic reactions generating CO and CO2. This degradation mode implicating ROS and battery corrosion impacts the design, operation, and recycling of LABs as well as upcoming chemistries involving the ORR.
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Affiliation(s)
- Abdelilah Asserghine
- Department of Chemistry, University of Illinois Urbana-Champaign 600 S Mathews Ave. Urbana IL 61801 USA
| | - Aravind Baby
- Department of Chemistry, University of Illinois Urbana-Champaign 600 S Mathews Ave. Urbana IL 61801 USA
- Department of Materials Science and Engineering, University of Illinois Urbana-Champaign 1304 W Green St. Urbana IL 61801 USA
| | - Seth T Putnam
- Department of Chemistry, University of Illinois Urbana-Champaign 600 S Mathews Ave. Urbana IL 61801 USA
| | - Peisen Qian
- Department of Chemistry, University of Illinois Urbana-Champaign 600 S Mathews Ave. Urbana IL 61801 USA
| | - Elizabeth Gao
- U.S. Army Corps of Engineers, ERDC Construction and Engineering Research Laboratory (CERL) Champaign IL 61822 USA
| | - Huimin Zhao
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign Urbana IL 61801 USA
| | - Joaquín Rodríguez-López
- Department of Chemistry, University of Illinois Urbana-Champaign 600 S Mathews Ave. Urbana IL 61801 USA
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8
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Hammerle F, Quirós-Guerrero L, Wolfender JL, Peintner U, Siewert B. Highlighting the Phototherapeutical Potential of Fungal Pigments in Various Fruiting Body Extracts with Informed Feature-Based Molecular Networking. MICROBIAL ECOLOGY 2023; 86:1972-1992. [PMID: 36947169 PMCID: PMC10497435 DOI: 10.1007/s00248-023-02200-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Fungal pigments are characterized by a diverse set of chemical backbones, some of which present photosensitizer-like structures. From the genus Cortinarius, for example, several biologically active photosensitizers have been identified leading to the hypothesis that photoactivity might be a more general phenomenon in the kingdom Fungi. This paper aims at testing the hypothesis. Forty-eight fruiting body-forming species producing pigments from all four major biosynthetic pathways (i.e., shikimate-chorismate, acetate-malonate, mevalonate, and nitrogen heterocycles) were selected and submitted to a workflow combining in vitro chemical and biological experiments with state-of-the-art metabolomics. Fungal extracts were profiled by high-resolution mass spectrometry and subsequently explored by spectral organization through feature-based molecular networking (FBMN), including advanced metabolite dereplication techniques. Additionally, the photochemical properties (i.e., light-dependent production of singlet oxygen), the phenolic content, and the (photo)cytotoxic activity of the extracts were studied. Different levels of photoactivity were found in species from all four metabolic groups, indicating that light-dependent effects are common among fungal pigments. In particular, extracts containing pigments from the acetate-malonate pathway, e.g., extracts from Bulgaria inquinans, Daldinia concentrica, and Cortinarius spp., were not only efficient producers of singlet oxygen but also exhibited photocytotoxicity against three different cancer cell lines. This study explores the distribution of photobiological traits in fruiting body forming fungi and highlights new sources for phototherapeutics.
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Affiliation(s)
- Fabian Hammerle
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), University Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Luis Quirós-Guerrero
- Phytochemistry and Bioactive Natural Products, School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU, 1211, Geneva, Switzerland
| | - Jean-Luc Wolfender
- Phytochemistry and Bioactive Natural Products, School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU, 1211, Geneva, Switzerland
| | - Ursula Peintner
- Department of Microbiology, University Innsbruck, Technikerstrasse 25d, 6020, Innsbruck, Austria
| | - Bianka Siewert
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), University Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria.
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9
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Gao Z, Temprano I, Lei J, Tang L, Li J, Grey CP, Liu T. Recent Progress in Developing a LiOH-Based Reversible Nonaqueous Lithium-Air Battery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2201384. [PMID: 36063023 DOI: 10.1002/adma.202201384] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 08/12/2022] [Indexed: 06/15/2023]
Abstract
The realization of practical nonaqueous lithium-air batteries (LABs) calls for novel strategies to address their numerous theoretical and technical challenges. LiOH formation/decomposition has recently been proposed as a promising alternative route to cycling LABs via Li2 O2 . Herein, the progress in developing LiOH-based nonaqueous LABs is reviewed. Various catalytic systems, either soluble or solid-state, that can activate a LiOH-based electrochemistry are compared in detail, with emphasis in providing an updated understanding of the oxygen reduction and evolution reactions in nonaqueous media. We identify the key factors that can switch the cell chemistry between Li2 O2 and LiOH and highlight the debate around these routes, as well as rationalize potential causes for these opposing opinions. The identities of the reaction intermediates, activity of redox mediators and additives, location of reaction interfaces, causes of parasitic reactions, as well as the effect of CO2 on the LiOH electrochemistry, all play a critical role in altering the relative rates of a series of interconnected reactions and all warrant further investigation.
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Affiliation(s)
- Zongyan Gao
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai, 200092, P. R. China
| | - Israel Temprano
- Chemistry Department, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Jiang Lei
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai, 200092, P. R. China
| | - Linbin Tang
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai, 200092, P. R. China
| | - Junjian Li
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai, 200092, P. R. China
| | - Clare P Grey
- Chemistry Department, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Tao Liu
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, No. 1239, Siping Road, Shanghai, 200092, P. R. China
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10
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Chen Y, Xu J, He P, Qiao Y, Guo S, Yang H, Zhou H. Metal-air batteries: progress and perspective. Sci Bull (Beijing) 2022; 67:2449-2486. [PMID: 36566068 DOI: 10.1016/j.scib.2022.11.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/08/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022]
Abstract
The metal-air batteries with the largest theoretical energy densities have been paid much more attention. However, metal-air batteries including Li-air/O2, Li-CO2, Na-air/O2, and Zn-air/O2 batteries, are complex systems that have their respective scientific problems, such as metal dendrite forming/deforming, the kinetics of redox mediators for oxygen reduction/evolution reactions, high overpotentials, desolution of CO2, H2O, etc. from the air and related side reactions on both anode and cathode. It should be the main direction to address these shortages to improve performance. Here, we summarized recently research progress in these metal-air/O2 batteries. Some perspectives are also provided for these research fields.
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Affiliation(s)
- Yuhui Chen
- State Key Laboratory of Materials-oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jijing Xu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Ping He
- Center of Energy Storage Materials & Technology, College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
| | - Yu Qiao
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Shaohua Guo
- Center of Energy Storage Materials & Technology, College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
| | - Huijun Yang
- Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology, Umezono, Tsukuba 305-8568, Japan
| | - Haoshen Zhou
- Center of Energy Storage Materials & Technology, College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China.
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11
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Pauling-type adsorption of O 2 induced electrocatalytic singlet oxygen production on N-CuO for organic pollutants degradation. Nat Commun 2022; 13:5560. [PMID: 36138010 PMCID: PMC9500010 DOI: 10.1038/s41467-022-33149-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Due to environmentally friendly operation and on-site productivity, electrocatalytic singlet oxygen (1O2) production via O2 gas is of immense interest in environment purification. However, the side-on configuration of O2 on the catalysts surface will lead to the formation of H2O, which seriously limits the selectivity and activity of 1O2 production. Herein, we show a robust N-doped CuO (N–CuO) with Pauling-type (end-on) adsorption of O2 at the N–Cu–O3 sites for the selective generation of 1O2 under direct-current electric field. We propose that Pauling-type configuration of O2 not only lowers the overall activation energy barrier, but also alters the reaction pathway to form 1O2 instead of H2O, which is the key feature determining selectivity for the dissociation of Cu–O bonds rather than the O–O bonds. The proposed N dopant strategy is applicable to a series of transition metal oxides, providing a universal electrocatalysts design scheme for existing high-performance electrocatalytic 1O2 production. Side-on configuration of O2 on the catalysts conventionally leads to reduction of O2 to water. Here, the authors propose a nitrogen doping strategy with Pauling-type adsorption of O2 for selective electrocatalytic singlet oxygen production.
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12
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Sullivan M, Tang P, Meng X. Atomic and Molecular Layer Deposition as Surface Engineering Techniques for Emerging Alkali Metal Rechargeable Batteries. Molecules 2022; 27:molecules27196170. [PMID: 36234705 PMCID: PMC9572714 DOI: 10.3390/molecules27196170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Alkali metals (lithium, sodium, and potassium) are promising as anodes in emerging rechargeable batteries, ascribed to their high capacity or abundance. Two commonly experienced issues, however, have hindered them from commercialization: the dendritic growth of alkali metals during plating and the formation of solid electrolyte interphase due to contact with liquid electrolytes. Many technical strategies have been developed for addressing these two issues in the past decades. Among them, atomic and molecular layer deposition (ALD and MLD) have been drawing more and more efforts, owing to a series of their unique capabilities. ALD and MLD enable a variety of inorganic, organic, and even inorganic-organic hybrid materials, featuring accurate nanoscale controllability, low process temperature, and extremely uniform and conformal coverage. Consequently, ALD and MLD have paved a novel route for tackling the issues of alkali metal anodes. In this review, we have made a thorough survey on surface coatings via ALD and MLD, and comparatively analyzed their effects on improving the safety and stability of alkali metal anodes. We expect that this article will help boost more efforts in exploring advanced surface coatings via ALD and MLD to successfully mitigate the issues of alkali metal anodes.
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13
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Pierini A, Brutti S, Bodo E. Reactions in non-aqueous alkali and alkaline-earth metal-oxygen batteries: a thermodynamic study. Phys Chem Chem Phys 2021; 23:24487-24496. [PMID: 34698734 DOI: 10.1039/d1cp03188k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multivalent aprotic metal-oxygen batteries are a novel concept in the applied electrochemistry field. These systems are variants of the so-called Li-air batteries and up to present are in their research infancy. The superoxide disproportionation reaction is a crucial step for the operation of any metal-oxygen redox system using aprotic solvents: in the best scenario, disproportionation leads to peroxide formation while in the worse one it releases singlet molecular oxygen. In this work we address the fundamental thermodynamics of such reaction for alkali (Li, Na and K) and alkaline earth (Be, Mg and Ca) metal-O2 systems using multiconfigurational ab initio methods. Our aim is to draw a comprehensive description of the disproportionation reaction from superoxides to peroxides and to provide the thermodynamic likelihood of the pathways to singlet oxygen release.
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Affiliation(s)
- Adriano Pierini
- Department of Chemistry, University of Rome "La Sapienza", P. A. Moro 5, 00185 Rome, Italy.
| | - Sergio Brutti
- Department of Chemistry, University of Rome "La Sapienza", P. A. Moro 5, 00185 Rome, Italy. .,GISEL-Centro di Riferimento Nazionale per i Sistemi di Accumulo Elettrochimico di Energia, INSTM, via G. Giusti 9, 50121 Firenze, Italy
| | - Enrico Bodo
- Department of Chemistry, University of Rome "La Sapienza", P. A. Moro 5, 00185 Rome, Italy.
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14
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Pierini A, Brutti S, Bodo E. Study of the Electronic Structure of Alkali Peroxides and Their Role in the Chemistry of Metal-Oxygen Batteries. J Phys Chem A 2021; 125:9368-9376. [PMID: 34649438 PMCID: PMC8558866 DOI: 10.1021/acs.jpca.1c07255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
We
use a multiconfigurational
and correlated ab initio method to
investigate the fundamental electronic properties of the peroxide
MO2– (M = Li and Na) trimer to provide
new insights into the rather complex chemistry of aprotic metal–O2 batteries. These electrochemical systems are largely based
on the electronic properties of superoxide and peroxide of alkali
metals. The two compounds differ by stoichiometry: the superoxide
is characterized by a M+O2– formula, while the peroxide is characterized by [M+]2O22–. We show here that both
the peroxide and superoxide states necessarily coexist in the MO2– trimer and that they correspond to their
different electronic states. The energetic prevalence of either one
or the other and the range of their coexistence over a subset of the
MO2– nuclear configurations is calculated
and described via a high-level multiconfigurational approach.
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Affiliation(s)
- Adriano Pierini
- Department of Chemistry, University of Rome "La Sapienza", P. A. Moro 5, Rome 00185, Italy
| | - Sergio Brutti
- Department of Chemistry, University of Rome "La Sapienza", P. A. Moro 5, Rome 00185, Italy.,GISEL-Centro di Riferimento Nazionale per i Sistemi di Accumulo Elettrochimico di Energia, INSTM via G. Giusti 9, Firenze 50121, Italy
| | - Enrico Bodo
- Department of Chemistry, University of Rome "La Sapienza", P. A. Moro 5, Rome 00185, Italy
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15
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Cao D, Liu X, Yuan X, Yu F, Chen Y. Redox Mediator-Enhanced Performance and Generation of Singlet Oxygen in Li-CO 2 Batteries. ACS APPLIED MATERIALS & INTERFACES 2021; 13:39341-39346. [PMID: 34382405 DOI: 10.1021/acsami.1c09688] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rechargeable Li-CO2 batteries as a novel system developed in recent years directly use CO2 as the reactant, which enables deeper penetration of energy storage and CO2 utilization. The Li-CO2 battery system, however, is at an early stage, and many challenges remained to be overcome urgently, especially the problem of high over-potential during the charging process. Here, we report a redox mediator, phenoxathiin, to assist the decomposition of Li2CO3 during the charging process, which effectively reduces the over-potential and improves the cycling performance of the battery. Furthermore, we detect the presence of singlet oxygen during the oxidation of Li2CO3 by phenoxathiin, which reveals more of the underlying science of the reaction mechanism of the Li-CO2 battery.
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Affiliation(s)
- Deqing Cao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, School of Energy Science & Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Xiaojing Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, School of Energy Science & Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Xinhai Yuan
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, School of Energy Science & Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Fengjiao Yu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, School of Energy Science & Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Yuhui Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, School of Energy Science & Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
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16
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Schürmann A, Luerßen B, Mollenhauer D, Janek J, Schröder D. Singlet Oxygen in Electrochemical Cells: A Critical Review of Literature and Theory. Chem Rev 2021; 121:12445-12464. [PMID: 34319075 DOI: 10.1021/acs.chemrev.1c00139] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Rechargeable metal/O2 batteries have long been considered a promising future battery technology in automobile and stationary applications. However, they suffer from poor cyclability and rapid degradation. A recent hypothesis is the formation of singlet oxygen (1O2) as the root cause of these issues. Validation, evaluation, and understanding of the formation of 1O2 are therefore essential for improving metal/O2 batteries. We review literature and use Marcus theory to discuss the possibility of singlet oxygen formation in metal/O2 batteries as a product from (electro)chemical reactions. We conclude that experimental evidence is yet not fully conclusive, and side reactions can play a major role in verifying the existence of singlet oxygen. Following an in-depth analysis based on Marcus theory, we conclude that 1O2 can only originate from a chemical step. A direct electrochemical generation, as proposed by others, can be excluded on the basis of theoretical arguments.
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Affiliation(s)
- Adrian Schürmann
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany.,Center for Materials Research (LaMa), Justus Liebig University Giessen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany
| | - Bjoern Luerßen
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany.,Center for Materials Research (LaMa), Justus Liebig University Giessen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany
| | - Doreen Mollenhauer
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany.,Center for Materials Research (LaMa), Justus Liebig University Giessen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany
| | - Jürgen Janek
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany.,Center for Materials Research (LaMa), Justus Liebig University Giessen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany
| | - Daniel Schröder
- Institute of Energy and Process Systems Engineering (InES), Technische Universität Braunschweig, Langer Kamp 19B, 38106 Braunschweig, Germany
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17
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Mechanism of mediated alkali peroxide oxidation and triplet versus singlet oxygen formation. Nat Chem 2021; 13:465-471. [PMID: 33723377 DOI: 10.1038/s41557-021-00643-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 01/22/2021] [Indexed: 01/31/2023]
Abstract
Aprotic alkali metal-O2 batteries face two major obstacles to their chemistry occurring efficiently, the insulating nature of the formed alkali superoxides/peroxides and parasitic reactions that are caused by the highly reactive singlet oxygen (1O2). Redox mediators are recognized to be key for improving rechargeability. However, it is unclear how they affect 1O2 formation, which hinders strategies for their improvement. Here we clarify the mechanism of mediated peroxide and superoxide oxidation and thus explain how redox mediators either enhance or suppress 1O2 formation. We show that charging commences with peroxide oxidation to a superoxide intermediate and that redox potentials above ~3.5 V versus Li/Li+ drive 1O2 evolution from superoxide oxidation, while disproportionation always generates some 1O2. We find that 1O2 suppression requires oxidation to be faster than the generation of 1O2 from disproportionation. Oxidation rates decrease with growing driving force following Marcus inverted-region behaviour, establishing a region of maximum rate.
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18
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Zhang L, Zhu X, Wang G, Xu G, Wu M, Liu HK, Dou SX, Wu C. Bi Nanoparticles Embedded in 2D Carbon Nanosheets as an Interfacial Layer for Advanced Sodium Metal Anodes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007578. [PMID: 33656277 DOI: 10.1002/smll.202007578] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/15/2021] [Indexed: 06/12/2023]
Abstract
Sodium metal is regarded as one of the most prospective next-generation anodes material owing to its high theoretical capacity, low redox potential, low cost, and natural abundance. Its most notable problem is the dendrite growth during Na plating/striping, which causes not only the safety concern but also the generation of inactive Na. Here, it is demonstrated that 2D carbon nanosheets embedded by bismuth nanoparticles (NPs) (denoted as Bi⊂CNs) serve as a robust nucleation buffer layer to endow the sodium metal anodes (SMAs) with high Coulombic efficiencies (CEs) and dendrite-free deposition during long-term cycling. The embedded Bi nanoparticles significantly reduce the nucleation barrier through the "sodiophilic" Na-Bi alloy. Meanwhile, the carbon frameworks effectively circumvent the gradual failure of those Na-Bi nucleation sites. As a result, the metallic Na on the Bi⊂CNs nucleation layer is repeatedly plated/stripped for nearly 7700 h (1287 cycles) at 3 mA h cm-2 with an average CE of 99.92%. Moreover, the Na||Na symmetric cells with the Bi⊂CNs buffer layer are stably plated/stripped for 4000 h at 1 mA cm-2 and 1 mA h cm-2 . It is found that the cycling stability is closely related to the Na utilization of SMAs and current rate.
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Affiliation(s)
- Lin Zhang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Xiaolong Zhu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Guanyao Wang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Gang Xu
- Shanghai Applied Radiation Institute, Shanghai University, Shanghai, 200444, China
| | - Minghong Wu
- Shanghai Applied Radiation Institute, Shanghai University, Shanghai, 200444, China
| | - Hua-Kun Liu
- Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Shi-Xue Dou
- Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Chao Wu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
- Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
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19
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Portenkirchner E, Rommel S, Szabados L, Griesser C, Werner D, Stock D, Kunze‐Liebhäuser J. Sodiation mechanism via reversible surface film formation on metal oxides for sodium‐ion batteries. NANO SELECT 2021. [DOI: 10.1002/nano.202000285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
| | - Sebastian Rommel
- Institute of Physical Chemistry University of Innsbruck Innsbruck Austria
| | - Lukas Szabados
- Institute of Physical Chemistry University of Innsbruck Innsbruck Austria
- Montanuniversität Leoben Lehrstuhl für Physikalische Chemie Montanuniversität Leoben Leoben Austria
| | - Christoph Griesser
- Institute of Physical Chemistry University of Innsbruck Innsbruck Austria
| | - Daniel Werner
- Institute of Physical Chemistry University of Innsbruck Innsbruck Austria
| | - David Stock
- Institut für Konstruktion und Materialwissenschaften University of Innsbruck Innsbruck Austria
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20
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Bawol PP, Reinsberg PH, Koellisch‐Mirbach A, Bondue CJ, Baltruschat H. The Oxygen Reduction Reaction in Ca 2+ -Containing DMSO: Reaction Mechanism, Electrode Surface Characterization, and Redox Mediation*. CHEMSUSCHEM 2021; 14:428-440. [PMID: 32865298 PMCID: PMC7821240 DOI: 10.1002/cssc.202001605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/26/2020] [Indexed: 06/11/2023]
Abstract
In this study the fundamental understanding of the underlying reactions of a possible Ca-O2 battery using a DMSO-based electrolyte was strengthened. Employing the rotating ring disc electrode, a transition from a mixed process of O2 - and O2 2- formation to an exclusive O2 - formation at gold electrodes is observed. It is shown that in this system Ca-superoxide and Ca-peroxide are formed as soluble species. However, there is a strongly adsorbed layer of products of the oxygen reduction reaction (ORR) s on the electrode surface, which is blocking the electrode. Surprisingly the blockade is only a partial blockade for the formation of peroxide while the formation of superoxide is maintained. During an anodic sweep, the ORR product layer is stripped from the electrode surface. With X-ray photoelectron spectroscopy (XPS) the deposited ORR products were shown to be Ca(O2 )2 , CaO2 , and CaO as well as side-reaction products such as CO3 2- and other oxygen-containing carbon species. It is shown that the strongly attached layer on the electrocatalyst, that was partially blocking the electrode, could be adsorbed CaO. The disproportionation reaction of O2 - in presence of Ca2+ was demonstrated via mass spectrometry. Finally, the ORR mediated by 2,5-di-tert-1,4-benzoquinone (DBBQ) was investigated by differential electrochemical mass spectrometry (DEMS) and XPS. Similar products as without DBBQ are deposited on the electrode surface. The analysis of the DEMS experiments shows that DBBQ- reduces O2 to O2 - and O2 2- , whereas in the presence of DBBQ2- O2 2- is formed. The mechanism of the ORR with and without DBBQ is discussed.
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Affiliation(s)
- Pawel Peter Bawol
- Institut für Physikalische und Theoretische ChemieUniversität BonnRömerstraße 16453117BonnGermany
| | | | | | | | - Helmut Baltruschat
- Institut für Physikalische und Theoretische ChemieUniversität BonnRömerstraße 16453117BonnGermany
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21
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Zhang Z, Fan J, Du J, Peng X. Two-channel responsive luminescent chemosensors for dioxygen species: Molecular oxygen, singlet oxygen and superoxide anion. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213575] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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22
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23
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Abstract
Using sodium metal in sodium-oxygen batteries with aprotic electrolyte enables achieving a very high theoretical energy density. However, the promised values for energy density and capacity are not met in practical studies yet due to poor utilization of the void space in the cathode during battery discharge. In this work, we achieve better cathode utilization and higher discharge capacities by using pulse discharging. We optimize the chosen resting-to-pulse times, the applied current density, and elucidate that three-dimensional cathode materials yield higher capacities compared to two-dimensional ones. By implication, the pulse discharging mode ensures better supply with dissolved oxygen within the cathode. The higher amount of dissolved oxygen accumulated during the resting period after a current pulse is essential to form more of the discharge product, i.e., the metal oxide sodium superoxide. Interestingly, we show for the first time that the superoxide is deposited in a very unusual form of stacked and highly oriented crystal layers. Our findings on the pulse discharging can be transferred to other metal-oxygen battery systems and might assist in achieving their full potential regarding practical energy density.
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24
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25
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Singlet oxygen formation in Na O2 battery cathodes catalyzed by ammonium Brönsted acid. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114265] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Zimányi L, Thekkan S, Eckert B, Condren AR, Dmitrenko O, Kuhn LR, Alabugin IV, Saltiel J. Determination of the p Ka Values of trans-Resveratrol, a Triphenolic Stilbene, by Singular Value Decomposition. Comparison with Theory. J Phys Chem A 2020; 124:6294-6302. [PMID: 32635729 DOI: 10.1021/acs.jpca.0c04792] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Several independent determinations of the pKa values of trans-resveratrol in water have led to conflicting results. Singular value decomposition analysis of UV absorption spectra of trans-resveratrol (t-Resv) in N2-outgased aqueous solutions buffered to pH values in the 7.0-13.6 range yielded the UV spectra of the three anionic forms and the corresponding pKa values: pKa1 = 9.16, pKa2 = 9.77, and pKa3 = 10.55 in very good agreement with calculated theoretical values. The analysis of the absorption spectra guided the assignment of the fluorescence spectrum of each anionic form. With the resolved spectra on hand, we applied the Förster equation to estimate pKa* values of 2.5 and 0, respectively, for the p- and m-OH substituents of t-Resv in S1. Theory supports a proposed mechanism for the reaction of t-Resv anions with O2.
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Affiliation(s)
- László Zimányi
- Institute of Biophysics, Biological Research Centre, P.O. Box 521, Szeged, Hungary H-6701
| | - Shareefa Thekkan
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
| | - Brett Eckert
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
| | - Alanna R Condren
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
| | - Olga Dmitrenko
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Leah R Kuhn
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
| | - Igor V Alabugin
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
| | - Jack Saltiel
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
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27
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Ruiz de Larramendi I, Ortiz-Vitoriano N. Unraveling the Effect of Singlet Oxygen on Metal-O 2 Batteries: Strategies Toward Deactivation. Front Chem 2020; 8:605. [PMID: 32775318 PMCID: PMC7388742 DOI: 10.3389/fchem.2020.00605] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 06/10/2020] [Indexed: 11/24/2022] Open
Abstract
Aprotic metal-O2 batteries have attracted the interest of the research community due to their high theoretical energy density that target them as potential energy storage systems for automotive applications. At present, these devices show various practical problems, which hinder the attainment of the high theoretical energy densities. Among the main limitations, we can highlight the irreversible parasitic reactions that lead to premature death of the battery. The degradation processes, mainly related to the electrolyte, lead to the formation of secondary products that accumulate throughout the cycling in the air electrode. This accumulation of predominantly insulating products results in the blocking of active sites, promoting less efficiency in system performance. Recently, it has been discovered that the superoxide intermediate radical anion is involved in the generation of the reactive oxygen singlet species (1O2) in metal-O2 batteries. The presence of singlet oxygen is intimately linked with electrolyte degradation processes and with carbon-electrode corrosion reactions. This review analyzes the nature of singlet oxygen, while clarifying its toxic role in metal-O2 batteries. Besides, the main mechanisms of deactivation of singlet oxygen are presented, trying to inspire the research community in the development of new molecules capable of mitigating the harmful effects related to this highly reactive species.
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Affiliation(s)
| | - Nagore Ortiz-Vitoriano
- Center for Cooperative Research on Alternative Energies (CIC EnergiGUNE), Basque Research and Technology Alliance (BRTA), Vitoria-Gasteiz, Spain.,Ikerbasque, Basque Foundation for Science, Bilbao, Spain
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28
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Qin L, Schkeryantz L, Zheng J, Xiao N, Wu Y. Superoxide-Based K-O 2 Batteries: Highly Reversible Oxygen Redox Solves Challenges in Air Electrodes. J Am Chem Soc 2020; 142:11629-11640. [PMID: 32520559 DOI: 10.1021/jacs.0c05141] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the past 20 years, research in metal-O2 batteries has been one of the most exciting interdisciplinary fields of electrochemistry, energy storage, materials chemistry, and surface science. The mechanisms of oxygen reduction and evolution play a key role in understanding and controlling these batteries. With intensive efforts from many prominent research groups, it becomes clear that the instability of superoxide in the presence of Li ions (Li+) and Na ions (Na+) is the fundamental root cause for the poor stability, reversibility, and energy efficiency in aprotic Li-O2 and Na-O2 batteries. Stabilizing superoxide with large K ions (K+) provides a simple but elegant solution. Superoxide-based K-O2 batteries, invented in 2013, adopt the one-electron redox process of O2/potassium superoxide (KO2). Despite being the youngest metal-O2 technology, K-O2 is the most promising rechargeable metal-air battery with the combined advantages of low costs, high energy efficiencies, abundant elements, and good energy densities. However, the development of the K-O2 battery has been overshadowed by Li-O2 and Na-O2 batteries because one might think K-O2 is just an analogous extension. Moreover, due to the lower specific energy and the high reactivity of K metal, K-O2 is often underestimated and deemed unsuitable for practical applications. The objective of this Perspective is to highlight the unique advantages of K-O2 chemistry and to clarify the misconceptions prompted by the name "superoxide" and the judgment bias based on the claimed theoretical specific energies. We will also discuss the current challenges and our perspectives on how to overcome them.
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Affiliation(s)
- Lei Qin
- Department of Chemistry and Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Luke Schkeryantz
- Department of Chemistry and Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Jingfeng Zheng
- Department of Chemistry and Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Neng Xiao
- Department of Chemistry and Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Yiying Wu
- Department of Chemistry and Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
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29
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Kwak WJ, Rosy, Sharon D, Xia C, Kim H, Johnson LR, Bruce PG, Nazar LF, Sun YK, Frimer AA, Noked M, Freunberger SA, Aurbach D. Lithium-Oxygen Batteries and Related Systems: Potential, Status, and Future. Chem Rev 2020; 120:6626-6683. [PMID: 32134255 DOI: 10.1021/acs.chemrev.9b00609] [Citation(s) in RCA: 214] [Impact Index Per Article: 53.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The goal of limiting global warming to 1.5 °C requires a drastic reduction in CO2 emissions across many sectors of the world economy. Batteries are vital to this endeavor, whether used in electric vehicles, to store renewable electricity, or in aviation. Present lithium-ion technologies are preparing the public for this inevitable change, but their maximum theoretical specific capacity presents a limitation. Their high cost is another concern for commercial viability. Metal-air batteries have the highest theoretical energy density of all possible secondary battery technologies and could yield step changes in energy storage, if their practical difficulties could be overcome. The scope of this review is to provide an objective, comprehensive, and authoritative assessment of the intensive work invested in nonaqueous rechargeable metal-air batteries over the past few years, which identified the key problems and guides directions to solve them. We focus primarily on the challenges and outlook for Li-O2 cells but include Na-O2, K-O2, and Mg-O2 cells for comparison. Our review highlights the interdisciplinary nature of this field that involves a combination of materials chemistry, electrochemistry, computation, microscopy, spectroscopy, and surface science. The mechanisms of O2 reduction and evolution are considered in the light of recent findings, along with developments in positive and negative electrodes, electrolytes, electrocatalysis on surfaces and in solution, and the degradative effect of singlet oxygen, which is typically formed in Li-O2 cells.
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Affiliation(s)
- Won-Jin Kwak
- Department of Energy Engineering, Hanyang University, Seoul 04763, Republic of Korea.,Energy & Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United States.,Department of Chemistry, Ajou University, Suwon 16499, Republic of Korea
| | - Rosy
- Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel.,Bar-Ilan Institute of Nanotechnology and Advanced Materials, Ramat Gan 5290002, Israel
| | - Daniel Sharon
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States.,Materials Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Chun Xia
- Department of Chemistry and the Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Hun Kim
- Department of Energy Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Lee R Johnson
- School of Chemistry and GSK Carbon Neutral Laboratory for Sustainable Chemistry, University of Nottingham, Nottingham NG7 2TU, U.K
| | - Peter G Bruce
- Departments of Materials and Chemistry, University of Oxford, Parks Road, Oxford OX1 3PH, U.K
| | - Linda F Nazar
- Department of Chemistry and the Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Yang-Kook Sun
- Department of Energy Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Aryeh A Frimer
- Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel
| | - Malachi Noked
- Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel.,Bar-Ilan Institute of Nanotechnology and Advanced Materials, Ramat Gan 5290002, Israel
| | - Stefan A Freunberger
- Institute for Chemistry and Technology of Materials, Graz University of Technology, 8010 Graz, Austria.,Institute of Science and Technology Austria, 3400 Klosterneuburg, Austria
| | - Doron Aurbach
- Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel.,Bar-Ilan Institute of Nanotechnology and Advanced Materials, Ramat Gan 5290002, Israel
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30
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31
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Liu T, Vivek JP, Zhao EW, Lei J, Garcia-Araez N, Grey CP. Current Challenges and Routes Forward for Nonaqueous Lithium-Air Batteries. Chem Rev 2020; 120:6558-6625. [PMID: 32090540 DOI: 10.1021/acs.chemrev.9b00545] [Citation(s) in RCA: 143] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nonaqueous lithium-air batteries have garnered considerable research interest over the past decade due to their extremely high theoretical energy densities and potentially low cost. Significant advances have been achieved both in the mechanistic understanding of the cell reactions and in the development of effective strategies to help realize a practical energy storage device. By drawing attention to reports published mainly within the past 8 years, this review provides an updated mechanistic picture of the lithium peroxide based cell reactions and highlights key remaining challenges, including those due to the parasitic processes occurring at the reaction product-electrolyte, product-cathode, electrolyte-cathode, and electrolyte-anode interfaces. We introduce the fundamental principles and critically evaluate the effectiveness of the different strategies that have been proposed to mitigate the various issues of this chemistry, which include the use of solid catalysts, redox mediators, solvating additives for oxygen reaction intermediates, gas separation membranes, etc. Recently established cell chemistries based on the superoxide, hydroxide, and oxide phases are also summarized and discussed.
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Affiliation(s)
- Tao Liu
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, Department of Chemistry, Tongji University, Shanghai 200092, P. R. China.,Chemistry Department, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - J Padmanabhan Vivek
- Chemistry Department, University of Southampton, Highfield Campus, Southampton SO17 1BJ, U.K
| | - Evan Wenbo Zhao
- Chemistry Department, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Jiang Lei
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, Department of Chemistry, Tongji University, Shanghai 200092, P. R. China
| | - Nuria Garcia-Araez
- Chemistry Department, University of Southampton, Highfield Campus, Southampton SO17 1BJ, U.K
| | - Clare P Grey
- Chemistry Department, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
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32
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Sudhakara SM, Bhat ZM, Devendrachari MC, Kottaichamy AR, Itagi M, Thimmappa R, Khan F, Kotresh HMN, Thotiyl MO. A zinc-quinone battery for paired hydrogen peroxide electrosynthesis. J Colloid Interface Sci 2020; 559:324-330. [PMID: 31675663 DOI: 10.1016/j.jcis.2019.10.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/04/2019] [Accepted: 10/08/2019] [Indexed: 12/14/2022]
Abstract
Hydrogen peroxide is a commodity chemical with immense applications as an environmentally benign disinfectant for water remediation, a green oxidant for synthetic chemistry and pulp bleaching, an energy carrier molecule and a rocket propellant. It is typically synthesized by indirect batch anthraquinone process, where sequential hydrogenation and oxidation of anthraquinone molecules generates H2O2. This highly energy demanding catalytic sequence necessitates the advent of new reaction pathways with lower energy expenditure. Here we demonstrate a Zn-quinone battery for paired H2O2 electrosynthesis at the three phase boundary of its cathodic half-cell during electric power generation. The catalytic quinone half-cell of the Zn-quinone battery, mediates proton coupled electron transfer with molecular oxygen during its chemical regeneration thereby pairing peroxide electrosynthesis with electricity generation. Hydrogen peroxide synthesizing Zn-quinone battery (HPSB) demonstrated a peak power density of ~90 mW/cm2 at a peak current density of ~145 mA/cm2 while synthesizing ~230 mM of H2O2. HPSB offers immense opportunities as it distinctly couples electric power generation with peroxide electrosynthesis which in-turn transforms energy conversion in batteries truly multifunctional.
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Affiliation(s)
- Sarvajith Malali Sudhakara
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pashan, Pune 411008, India; Department of Chemistry, Manipal Institute of Technology, MAHE, Manipal 576104, India
| | - Zahid Manzoor Bhat
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pashan, Pune 411008, India
| | | | - Alagar Raja Kottaichamy
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pashan, Pune 411008, India
| | - Mahesh Itagi
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pashan, Pune 411008, India
| | - Ravikumar Thimmappa
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pashan, Pune 411008, India
| | - Fasiulla Khan
- Department of Chemistry, Manipal Institute of Technology, MAHE, Manipal 576104, India
| | | | - Musthafa Ottakam Thotiyl
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pashan, Pune 411008, India.
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33
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Zaichenko A, Schröder D, Janek J, Mollenhauer D. Pathways to Triplet or Singlet Oxygen during the Dissociation of Alkali Metal Superoxides: Insights by Multireference Calculations of Molecular Model Systems. Chemistry 2020; 26:2395-2404. [PMID: 31647142 PMCID: PMC7187429 DOI: 10.1002/chem.201904110] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 10/10/2019] [Indexed: 11/12/2022]
Abstract
Recent experimental investigations demonstrated the generation of singlet oxygen during charging at high potentials in lithium/oxygen batteries. To contribute to the understanding of the underlying chemical reactions a key step in the mechanism of the charging process, namely, the dissociation of the intermediate lithium superoxide to oxygen and lithium, was investigated. Therefore, the corresponding dissociation paths of the molecular model system lithium superoxide (LiO2 ) were studied by CASSCF/CASPT2 calculations. The obtained results indicate the presence of different dissociation paths over crossing points of different electronic states, which lead either to the energetically preferred generation of triplet oxygen or the energetically higher lying formation of singlet oxygen. The dissociation to the corresponding superoxide anion is energetically less preferred. The understanding of the detailed reaction mechanism allows the design of strategies to avoid the formation of singlet oxygen and thus to potentially minimize the degradation of materials in alkali metal/oxygen batteries. The calculations demonstrate a qualitatively similar but energetically shifted behavior for the homologous alkali metals sodium and potassium and their superoxide species. Fundamental differences were found for the covalently bound hydroperoxyl radical.
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Affiliation(s)
- Aleksandr Zaichenko
- Institute of Physical Chemistry, Justus-Liebig University Giessen, Heinrich-Buff-Ring 17, 35392, Giessen, Germany.,Center for Materials Research, Justus-Liebig University Giessen, Heinrich-Buff-Ring 16, 35392, Giessen, Germany
| | - Daniel Schröder
- Institute of Physical Chemistry, Justus-Liebig University Giessen, Heinrich-Buff-Ring 17, 35392, Giessen, Germany.,Center for Materials Research, Justus-Liebig University Giessen, Heinrich-Buff-Ring 16, 35392, Giessen, Germany
| | - Jürgen Janek
- Institute of Physical Chemistry, Justus-Liebig University Giessen, Heinrich-Buff-Ring 17, 35392, Giessen, Germany.,Center for Materials Research, Justus-Liebig University Giessen, Heinrich-Buff-Ring 16, 35392, Giessen, Germany
| | - Doreen Mollenhauer
- Institute of Physical Chemistry, Justus-Liebig University Giessen, Heinrich-Buff-Ring 17, 35392, Giessen, Germany.,Center for Materials Research, Justus-Liebig University Giessen, Heinrich-Buff-Ring 16, 35392, Giessen, Germany
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34
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Munuera JM, Paredes JI, Enterría M, Villar-Rodil S, Kelly AG, Nalawade Y, Coleman JN, Rojo T, Ortiz-Vitoriano N, Martínez-Alonso A, Tascón JMD. High Performance Na-O 2 Batteries and Printed Microsupercapacitors Based on Water-Processable, Biomolecule-Assisted Anodic Graphene. ACS APPLIED MATERIALS & INTERFACES 2020; 12:494-506. [PMID: 31825208 PMCID: PMC6961952 DOI: 10.1021/acsami.9b15509] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Integrated approaches that expedite the production and processing of graphene into useful structures and devices, particularly through simple and environmentally friendly strategies, are highly desirable in the efforts to implement this two-dimensional material in state-of-the-art electrochemical energy storage technologies. Here, we introduce natural nucleotides (e.g., adenosine monophosphate) as bifunctional agents for the electrochemical exfoliation and dispersion of graphene nanosheets in water. Acting both as exfoliating electrolytes and colloidal stabilizers, these biomolecules facilitated access to aqueous graphene bio-inks that could be readily processed into aerogels and inkjet-printed interdigitated patterns. Na-O2 batteries assembled with the graphene-derived aerogels as the cathode and a glyme-based electrolyte exhibited a full discharge capacity of ∼3.8 mAh cm-2 at a current density of 0.2 mA cm-2. Moreover, shallow cycling experiments (0.5 mAh cm-2) boasted a capacity retention of 94% after 50 cycles, which outperformed the cycle life of prior graphene-based cathodes for this type of battery. The positive effect of the nucleotide-adsorbed nanosheets on the battery performance is discussed and related to the presence of the phosphate group in these biomolecules. Microsupercapacitors made from the interdigitated graphene patterns as the electrodes also displayed a competitive performance, affording areal and volumetric energy densities of 0.03 μWh cm-2 and 1.2 mWh cm-3 at power densities of 0.003 mW cm-2 and 0.1 W cm-3, respectively. Taken together, by offering a green and straightforward route to different types of functional graphene-based materials, the present results are expected to ease the development of novel energy storage technologies that exploit the attractions of graphene.
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Affiliation(s)
- Jose M. Munuera
- Instituto Nacional del Carbón, INCAR-CSIC, C/Francisco Pintado Fe 26, 33011 Oviedo, Spain
- School of Physics and CRANN, Trinity College Dublin, Pearse St, Dublin 2, Dublin D02, Ireland
- E-mail: (J.M.M.)
| | - Juan I. Paredes
- Instituto Nacional del Carbón, INCAR-CSIC, C/Francisco Pintado Fe 26, 33011 Oviedo, Spain
- E-mail: (J.I.P.)
| | - Marina Enterría
- CIC EnergiGUNE, Álava Technology Park, C/
Albert Einstein 48, Miñano, Álava 01510, Spain
| | - Silvia Villar-Rodil
- Instituto Nacional del Carbón, INCAR-CSIC, C/Francisco Pintado Fe 26, 33011 Oviedo, Spain
| | - Adam G. Kelly
- School of Physics and CRANN, Trinity College Dublin, Pearse St, Dublin 2, Dublin D02, Ireland
| | - Yashaswi Nalawade
- School of Physics and CRANN, Trinity College Dublin, Pearse St, Dublin 2, Dublin D02, Ireland
| | - Jonathan N. Coleman
- School of Physics and CRANN, Trinity College Dublin, Pearse St, Dublin 2, Dublin D02, Ireland
| | - Teófilo Rojo
- CIC EnergiGUNE, Álava Technology Park, C/
Albert Einstein 48, Miñano, Álava 01510, Spain
- Departamento
de Química Inorgánica, Universidad
del País Vasco UPV/EHU, P.O. Box
664, 48080 Bilbao, Spain
| | - Nagore Ortiz-Vitoriano
- CIC EnergiGUNE, Álava Technology Park, C/
Albert Einstein 48, Miñano, Álava 01510, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
| | - Amelia Martínez-Alonso
- Instituto Nacional del Carbón, INCAR-CSIC, C/Francisco Pintado Fe 26, 33011 Oviedo, Spain
| | - Juan M. D. Tascón
- Instituto Nacional del Carbón, INCAR-CSIC, C/Francisco Pintado Fe 26, 33011 Oviedo, Spain
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35
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Córdoba D, Rodríguez HB, Calvo EJ. Singlet Oxygen Formation during the Oxygen Reduction Reaction in DMSO LiTFSI on Lithium Air Battery Carbon Electrodes. ChemistrySelect 2019. [DOI: 10.1002/slct.201904112] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Daniel Córdoba
- DQIAyQF/INQUIMAEFacultad de Ciencias Exactas y NaturalesUniv. Buenos Aires Pabellón 2, Ciudad Universitaria Buenos Aires Argentina
| | - Hernán B. Rodríguez
- INIFTA (UNLP-CONICET)Facultad de Ciencias ExactasUniversidad Nacional de La Plata.Diagonal 113 y 64 S/N B1904DPI La Plata Argentina
| | - Ernesto J. Calvo
- DQIAyQF/INQUIMAEFacultad de Ciencias Exactas y NaturalesUniv. Buenos Aires Pabellón 2, Ciudad Universitaria Buenos Aires Argentina
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36
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Petit YK, Leypold C, Mahne N, Mourad E, Schafzahl L, Slugovc C, Borisov SM, Freunberger SA. DABCOnium: An Efficient and High-Voltage Stable Singlet Oxygen Quencher for Metal-O 2 Cells. Angew Chem Int Ed Engl 2019; 58:6535-6539. [PMID: 30884063 PMCID: PMC6563493 DOI: 10.1002/anie.201901869] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Indexed: 11/05/2022]
Abstract
Singlet oxygen (1 O2 ) causes a major fraction of the parasitic chemistry during the cycling of non-aqueous alkali metal-O2 batteries and also contributes to interfacial reactivity of transition-metal oxide intercalation compounds. We introduce DABCOnium, the mono alkylated form of 1,4-diazabicyclo[2.2.2]octane (DABCO), as an efficient 1 O2 quencher with an unusually high oxidative stability of ca. 4.2 V vs. Li/Li+ . Previous quenchers are strongly Lewis basic amines with too low oxidative stability. DABCOnium is an ionic liquid, non-volatile, highly soluble in the electrolyte, stable against superoxide and peroxide, and compatible with lithium metal. The electrochemical stability covers the required range for metal-O2 batteries and greatly reduces 1 O2 related parasitic chemistry as demonstrated for the Li-O2 cell.
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Affiliation(s)
- Yann K. Petit
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Christian Leypold
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Nika Mahne
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Eléonore Mourad
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Lukas Schafzahl
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Christian Slugovc
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Sergey M. Borisov
- Institute for Analytical Chemistry and Food ChemistryGraz University of TechnologyStremayrgasse 98010GrazAustria
| | - Stefan A. Freunberger
- Institute for Chemistry and Technology of MaterialsGraz University of TechnologyStremayrgasse 98010GrazAustria
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37
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Petit YK, Leypold C, Mahne N, Mourad E, Schafzahl L, Slugovc C, Borisov SM, Freunberger SA. DABCOnium: Ein effizienter und Hochspannungs‐stabiler Singulett‐Sauerstoff‐Löscher für Metall‐O
2
‐Zellen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901869] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yann K. Petit
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Christian Leypold
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Nika Mahne
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Eléonore Mourad
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Lukas Schafzahl
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Christian Slugovc
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Sergey M. Borisov
- Institut für Analytische Chemie und Lebensmittel ChemieTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Stefan A. Freunberger
- Institut für Chemische Technologie von MaterialienTechnische Universität Graz Stremayrgasse 9 8010 Graz Österreich
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38
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Thimmappa R, Gautam M, Aralekallu S, Devendrachari MC, Kottaichamy AR, Bhat ZM, Thotiyl MO. A Rechargeable Aqueous Sodium‐Ion Battery. ChemElectroChem 2019. [DOI: 10.1002/celc.201900317] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ravikumar Thimmappa
- Department of ChemistryIndian Institute of Science Education and Research Pune Dr. Homi Bhabha Road, Pune 411008 India
| | - Manu Gautam
- Department of ChemistryIndian Institute of Science Education and Research Pune Dr. Homi Bhabha Road, Pune 411008 India
| | - Shambhulinga Aralekallu
- Department of ChemistryIndian Institute of Science Education and Research Pune Dr. Homi Bhabha Road, Pune 411008 India
| | | | - Alagar Raja Kottaichamy
- Department of ChemistryIndian Institute of Science Education and Research Pune Dr. Homi Bhabha Road, Pune 411008 India
| | - Zahid Manzoor Bhat
- Department of ChemistryIndian Institute of Science Education and Research Pune Dr. Homi Bhabha Road, Pune 411008 India
| | - Musthafa Ottakam Thotiyl
- Department of ChemistryIndian Institute of Science Education and Research Pune Dr. Homi Bhabha Road, Pune 411008 India
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Kwak WJ, Kim H, Petit YK, Leypold C, Nguyen TT, Mahne N, Redfern P, Curtiss LA, Jung HG, Borisov SM, Freunberger SA, Sun YK. Deactivation of redox mediators in lithium-oxygen batteries by singlet oxygen. Nat Commun 2019; 10:1380. [PMID: 30914647 PMCID: PMC6435713 DOI: 10.1038/s41467-019-09399-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 03/08/2019] [Indexed: 11/24/2022] Open
Abstract
Non-aqueous lithium-oxygen batteries cycle by forming lithium peroxide during discharge and oxidizing it during recharge. The significant problem of oxidizing the solid insulating lithium peroxide can greatly be facilitated by incorporating redox mediators that shuttle electron-holes between the porous substrate and lithium peroxide. Redox mediator stability is thus key for energy efficiency, reversibility, and cycle life. However, the gradual deactivation of redox mediators during repeated cycling has not conclusively been explained. Here, we show that organic redox mediators are predominantly decomposed by singlet oxygen that forms during cycling. Their reaction with superoxide, previously assumed to mainly trigger their degradation, peroxide, and dioxygen, is orders of magnitude slower in comparison. The reduced form of the mediator is markedly more reactive towards singlet oxygen than the oxidized form, from which we derive reaction mechanisms supported by density functional theory calculations. Redox mediators must thus be designed for stability against singlet oxygen. Redox mediators can enhance redox reactions in Li-O2 batteries; however, their gradual degradation remains unclear. Here the authors show that organic redox mediators are decomposed by singlet oxygen formed during cycling, indicating a strategy for the rational design of stable redox mediators.
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Affiliation(s)
- Won-Jin Kwak
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Hun Kim
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yann K Petit
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Graz, 8010, Austria
| | - Christian Leypold
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Graz, 8010, Austria
| | - Trung Thien Nguyen
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Nika Mahne
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Graz, 8010, Austria
| | - Paul Redfern
- Materials Science Division, Argonne National Laboratory, Illinois, 60439, USA
| | - Larry A Curtiss
- Materials Science Division, Argonne National Laboratory, Illinois, 60439, USA
| | - Hun-Gi Jung
- Center for Energy Convergence Research, Green City Technology Institute, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
| | - Sergey M Borisov
- Institute for Analytical Chemistry and Food Chemistry, Graz University of Technology, Graz, 8010, Austria
| | - Stefan A Freunberger
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Graz, 8010, Austria.
| | - Yang-Kook Sun
- Department of Energy Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
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40
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Siewert B, Vrabl P, Hammerle F, Bingger I, Stuppner H. A convenient workflow to spot photosensitizers revealed photo-activity in basidiomycetes. RSC Adv 2019; 9:4545-4552. [PMID: 30931108 PMCID: PMC6394893 DOI: 10.1039/c8ra10181g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 01/24/2019] [Indexed: 02/03/2023] Open
Abstract
Photodynamic therapy (PDT) is an alternative approach for the treatment of neoplastic diseases employing photosensitizers activated by light. In order to discover new natural photosensitizers, a convenient workflow was established. To validate the workflow, fungi were selected, because we hypothesized that fruiting bodies and mycelia are an overlooked source. The results proved the hypothesis, as exorbitant high photo-cytotoxicity values were detected. For example, the acetone extract of Cortinarius croceus was characterized by an EC50, 9.3 J cm-2 of 1 μg mL-1 against cells of a lung cancer cell-line (A549). In sum, a low-cost workflow for the detection and biological evaluation of photosensitizers is presented and discussed. Furthermore, this paper provides the first experimental evidence for phototoxic metabolites in basidiomycetes. This hints towards a new assignable function of fungal pigments, i.e. photochemical defense.
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Affiliation(s)
- Bianka Siewert
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, Innsbruck, 6020 Austria.
| | - Pamela Vrabl
- Institute of Microbiology, University of Innsbruck, Technikerstraße 25d, Innsbruck, 6020 Austria
| | - Fabian Hammerle
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, Innsbruck, 6020 Austria.
| | - Isabella Bingger
- Institute of Microbiology, University of Innsbruck, Technikerstraße 25d, Innsbruck, 6020 Austria
- Management Center Innsbruck, Maximilianstraße 2, Innsbruck, 6020 Austria
| | - Hermann Stuppner
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, Innsbruck, 6020 Austria.
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41
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Sur S, Kottaichamy AR, Manzoor Bhat Z, Devendrachari MC, Thimmappa R, Thotiyl MO. A pH dependent high voltage aqueous supercapacitor with dual electrolytes. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.10.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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42
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Varhade S, Bhat ZM, Thimmappa R, Devendrachari MC, Kottaichamy AR, Gautam M, Shafi SP, Kalegowda Y, Thotiyl MO. A hybrid hydrazine redox flow battery with a reversible electron acceptor. Phys Chem Chem Phys 2018; 20:21724-21731. [PMID: 30105322 DOI: 10.1039/c8cp03768j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrazine is a pollutant with high hydrogen content, offering tremendous possibilities in a direct hydrazine fuel cell (DHFC) as it can be converted into electricity via benign end products. Due to the inner sphere nature of half-cell chemistries, hydrazine cross over triggers parasitic chemistry at the Pt-based air cathode of a state-of-the-art DHFC, overly complicating the already sluggish electrode kinetics at the positive electrode. Here, we illustrate that by altering the interfacial chemistry of the catholyte from inner sphere to outer sphere, the parasitic chemistry can be dissociated from the redox chemistry of the electron acceptor and the hybrid fuel cell can be driven by simple carbon-based cathodes. The reversible nature of an outer sphere catholyte leads to a hybrid fuel cell redox flow battery with performance metrics ∼4 times higher than a Pt-based DHFC-air configuration.
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Affiliation(s)
- Swapnil Varhade
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research Pune, Dr Homi Bhabha Road, Pashan, Pune, 411008, India.
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43
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44
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Abstract
Releasing greenhouse gases into the atmosphere because of widespread use of fossil fuels by humankind has resulted in raising the earth's temperature during the past few decades. Known as global warming, increasing the earth's temperature may in turn endanger civilization on the earth by starting a cycle of environmental changes including climate change and sea level rise. Therefore, replacing fossil fuels with more sustainable energy resources has been considered as one of the main strategies to tackle the global warming crisis. In this regard, energy saving devices are required to store the energy from sustainable resources like wind and solar when they are available and deliver them on demand. Moreover, developing plug-in electric vehicles (PEVs) as an alternative for internal combustion engines has been extensively pursued, since a major sector of fossil fuels is used for transportation purposes. However, currently available battery systems fail to meet the required demands for energy storage. Alkali metal-O2 battery systems demonstrate a promising prospect as a high-energy density solution regarding the increasing demand of mankind for energy storage. Combining a metallic negative electrode with a breathing oxygen electrode, a metal-O2 cell can be considered as a half battery/half fuel cell system. The negative electrode in the metal-O2 cells operates a conversion reaction rather than intercalation mechanism, which eliminates the need for a host lattice. In addition, the positive electrode material (O2) comes from the ambient air and hence is not stored in the battery. Therefore, the resultant battery systems exhibit the highest theoretical energy density, which is comparable to that of gasoline. Accordingly, an unprecedented amount of research activity was directed toward alkali metal-O2 batteries in the past decade in response to the need for high-energy storage technology in electric transportation. This extensive research surge has resulted in a rapid expansion of our knowledge about alkali metal-O2 batteries. The present Account summarizes the most recent findings over the underlying chemistry of all components in Na-O2 cells as one of the most efficient members of alkali metal-O2 family.
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Affiliation(s)
- Hossein Yadegari
- Department of Mechanical & Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
| | - Xueliang Sun
- Department of Mechanical & Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
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45
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Christudas Dargily N, Thimmappa R, Manzoor Bhat Z, Devendrachari MC, Kottaichamy AR, Gautam M, Shafi SP, Thotiyl MO. A Rechargeable Hydrogen Battery. J Phys Chem Lett 2018; 9:2492-2497. [PMID: 29688728 DOI: 10.1021/acs.jpclett.8b00858] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We utilize proton-coupled electron transfer in hydrogen storage molecules to unlock a rechargeable battery chemistry based on the cleanest chemical energy carrier molecule, hydrogen. Electrochemical, spectroscopic, and spectroelectrochemical analyses evidence the participation of protons during charge-discharge chemistry and extended cycling. In an era of anthropogenic global climate change and paramount pollution, a battery concept based on a virtually nonpolluting energy carrier molecule demonstrates distinct progress in the sustainable energy landscape.
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Affiliation(s)
- Neethu Christudas Dargily
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
| | - Ravikumar Thimmappa
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
| | - Zahid Manzoor Bhat
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
| | | | - Alagar Raja Kottaichamy
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
| | - Manu Gautam
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
| | - Shahid Pottachola Shafi
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
| | - Musthafa Ottakam Thotiyl
- Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India
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46
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Devendrachari MC, Basappa C, Thimmappa R, Bhat ZM, Kotresh HMN, Kottaichamy AR, Varhade S, Khaire S, Reddy KRV, Thotiyl MO. An All Solid-State Zinc−Air Battery with a Corrosion-Resistant Air Electrode. ChemElectroChem 2018. [DOI: 10.1002/celc.201800269] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mruthyunjayachari Chattanahalli Devendrachari
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
- Department of Industrial Chemistry; Sahyadri Science College; Shivamogga Karnataka- 577203 India
| | - Chidananda Basappa
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Ravikumar Thimmappa
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Zahid Manzoor Bhat
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | | | - Alagar Raja Kottaichamy
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Swapnil Varhade
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Siddhi Khaire
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
| | | | - Musthafa Ottakam Thotiyl
- Department of Chemistry and Centre for Energy Science; Indian Institute of Science Education and Research, Pune; Dr. Homi Bhabha Road Pune 411008 India
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47
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Mahne N, Renfrew SE, McCloskey BD, Freunberger SA. Electrochemical Oxidation of Lithium Carbonate Generates Singlet Oxygen. Angew Chem Int Ed Engl 2018. [PMID: 29543372 PMCID: PMC5947587 DOI: 10.1002/anie.201802277] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Solid alkali metal carbonates are universal passivation layer components of intercalation battery materials and common side products in metal‐O2 batteries, and are believed to form and decompose reversibly in metal‐O2/CO2 cells. In these cathodes, Li2CO3 decomposes to CO2 when exposed to potentials above 3.8 V vs. Li/Li+. However, O2 evolution, as would be expected according to the decomposition reaction 2 Li2CO3→4 Li++4 e−+2 CO2+O2, is not detected. O atoms are thus unaccounted for, which was previously ascribed to unidentified parasitic reactions. Here, we show that highly reactive singlet oxygen (1O2) forms upon oxidizing Li2CO3 in an aprotic electrolyte and therefore does not evolve as O2. These results have substantial implications for the long‐term cyclability of batteries: they underpin the importance of avoiding 1O2 in metal‐O2 batteries, question the possibility of a reversible metal‐O2/CO2 battery based on a carbonate discharge product, and help explain the interfacial reactivity of transition‐metal cathodes with residual Li2CO3.
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Affiliation(s)
- Nika Mahne
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9, 8010, Graz, Austria
| | - Sara E Renfrew
- Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory.,Department of Chemical and Biomolecular Engineering, University of California - Berkeley, Berkeley, CA, 94720, USA
| | - Bryan D McCloskey
- Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory.,Department of Chemical and Biomolecular Engineering, University of California - Berkeley, Berkeley, CA, 94720, USA
| | - Stefan A Freunberger
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9, 8010, Graz, Austria
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48
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Mahne N, Renfrew SE, McCloskey BD, Freunberger SA. Elektrochemische Oxidation von Lithiumcarbonat generiert Singulett‐Sauerstoff. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802277] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nika Mahne
- Institut für Chemische Technologie von Materialien Technische Universität Graz Stremayrgasse 9 8010 Graz Österreich
| | - Sara E. Renfrew
- Energy Storage and Distributed Resources Division Lawrence Berkeley National Laboratory
- Department of Chemical and Biomolecular Engineering University of California – Berkeley Berkeley CA 94720 USA
| | - Bryan D. McCloskey
- Energy Storage and Distributed Resources Division Lawrence Berkeley National Laboratory
- Department of Chemical and Biomolecular Engineering University of California – Berkeley Berkeley CA 94720 USA
| | - Stefan A. Freunberger
- Institut für Chemische Technologie von Materialien Technische Universität Graz Stremayrgasse 9 8010 Graz Österreich
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49
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Wang W, Lai NC, Liang Z, Wang Y, Lu YC. Superoxide Stabilization and a Universal KO 2 Growth Mechanism in Potassium-Oxygen Batteries. Angew Chem Int Ed Engl 2018; 57:5042-5046. [PMID: 29509317 DOI: 10.1002/anie.201801344] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Indexed: 11/10/2022]
Abstract
Rechargeable potassium-oxygen (K-O2 ) batteries promise to provide higher round-trip efficiency and cycle life than other alkali-oxygen batteries with satisfactory gravimetric energy density (935 Wh kg-1 ). Exploiting a strong electron-donating solvent, for example, dimethyl sulfoxide (DMSO) strongly stabilizes the discharge product (KO2 ), resulting in significant improvement in electrode kinetics and chemical/electrochemical reversibility. The first DMSO-based K-O2 battery demonstrates a much higher energy efficiency and stability than the glyme-based electrolyte. A universal KO2 growth model is developed and it is demonstrated that the ideal solvent for K-O2 batteries should strongly stabilize superoxide (strong donor ability) to obtain high electrode kinetics and reversibility while providing fast oxygen diffusion to achieve high discharge capacity. This work elucidates key electrolyte properties that control the efficiency and reversibility of K-O2 batteries.
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Affiliation(s)
- Wanwan Wang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N. T., 999077, Hong Kong SAR, China
| | - Nien-Chu Lai
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N. T., 999077, Hong Kong SAR, China
| | - Zhuojian Liang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N. T., 999077, Hong Kong SAR, China
| | - Yu Wang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N. T., 999077, Hong Kong SAR, China
| | - Yi-Chun Lu
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N. T., 999077, Hong Kong SAR, China
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50
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Wang W, Lai NC, Liang Z, Wang Y, Lu YC. Superoxide Stabilization and a Universal KO2
Growth Mechanism in Potassium-Oxygen Batteries. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801344] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Wanwan Wang
- Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Shatin, N. T. 999077 Hong Kong SAR China
| | - Nien-Chu Lai
- Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Shatin, N. T. 999077 Hong Kong SAR China
| | - Zhuojian Liang
- Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Shatin, N. T. 999077 Hong Kong SAR China
| | - Yu Wang
- Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Shatin, N. T. 999077 Hong Kong SAR China
| | - Yi-Chun Lu
- Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Shatin, N. T. 999077 Hong Kong SAR China
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