1
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Wu X, Liu T, Lee YG, Whitacre JF. Glycerol Triacetate-Based Flame Retardant High-Temperature Electrolyte for the Lithium-Ion Battery. ACS APPLIED MATERIALS & INTERFACES 2024; 16:24590-24600. [PMID: 38709709 PMCID: PMC11103651 DOI: 10.1021/acsami.4c02323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/07/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024]
Abstract
Rechargeable batteries that can operate at elevated temperatures (>70 °C) with high energy density are long-awaited for industrial applications including mining, grid stabilization, naval, aerospace, and medical devices. However, the safety, cycle life, energy density, and cost of the available high-temperature battery technologies remain an obstacle primarily owing to the limited electrolyte options available. We introduce a flame-retardant electrolyte that can enable stable battery cycling at 100 °C by incorporating triacetin into the electrolyte system. Triacetin has excellent chemical stability with lithium metal, and conventional cathode materials can effectively reduce parasitic reactions and promises a good battery performance at elevated temperatures. Our findings reveal that Li-metal half-cells can be made that have high energy density, high Coulombic efficiency, and good cycle life with triacetin-based electrolytes and three different cathode chemistries. Moreover, the nail penetration test in a commercial-scale pouch battery using this new electrolyte demonstrated suppressed heat generation when the cell was damaged and excellent safety when using the triacetin-based electrolyte.
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Affiliation(s)
- Xinsheng Wu
- Department
of Materials Science and Engineering, Carnegie
Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Tong Liu
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Young-Geun Lee
- Department
of Materials Science and Engineering, Carnegie
Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Jay. F. Whitacre
- Department
of Materials Science and Engineering, Carnegie
Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
- Scott
Institute for Energy Innovation, Carnegie
Mellon University, 5000
Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
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2
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Wang H, Geng X, Hu L, Wang J, Xu Y, Zhu Y, Liu Z, Lu J, Lin Y, He X. Efficient direct repairing of lithium- and manganese-rich cathodes by concentrated solar radiation. Nat Commun 2024; 15:1634. [PMID: 38395918 PMCID: PMC10891061 DOI: 10.1038/s41467-024-45754-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Lithium- and manganese-rich layered oxide cathode materials have attracted extensive interest because of their high energy density. However, the rapid capacity fading and serve voltage decay over cycling make the waste management and recycling of key components indispensable. Herein, we report a facile concentrated solar radiation strategy for the direct recycling of Lithium- and manganese-rich cathodes, which enables the recovery of capacity and effectively improves its electrochemical stability. The phase change from layered to spinel on the particle surface and metastable state structure of cycled material provides the precondition for photocatalytic reaction and thermal reconstruction during concentrated solar radiation processing. The inducement of partial inverse spinel phase is identified after concentrated solar radiation treatment, which strongly enhances the redox activity of transition metal cations and oxygen anion, and reversibility of lattice structure. This study sheds new light on the reparation of spent cathode materials and designing high-performance compositions to mitigate structural degradation.
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Affiliation(s)
- Hailong Wang
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xin Geng
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Linyu Hu
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jun Wang
- School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yunkai Xu
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yudong Zhu
- Department of Materials Science and Engineering, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation (FSSEG), Southern University of Science and Technology, No. 1088, Xueyuan Rd, Shenzhen, Guangdong, 518055, China
| | - Zhimeng Liu
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Jun Lu
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Yuanjing Lin
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Xin He
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China.
- College of Electrical Engineering, Sichuan University, Chengdu, 610065, China.
- College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan, 618307, China.
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3
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Orekhov MA. Correcting charge distribution in reduced Li-molecule pair for computational screening of battery solvents. J Comput Chem 2024; 45:197-203. [PMID: 37712687 DOI: 10.1002/jcc.27229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 08/10/2023] [Accepted: 08/29/2023] [Indexed: 09/16/2023]
Abstract
Li-molecule pair is a widely used model for the simulation of reduction in Li-ion batteries. We demonstrate that this model provides incorrect results for some solvents. When an electron is added to the Li-molecule pair, it may go to the lithium-ion and neutralize it. Instead, we suggest placing this additional electron on the molecule using constrained density functional theory (CDFT). This approach resembles electron behaviour in the condensed phase and reproduces the physics of the reduction. We demonstrate that suggested in this work approach provides improved agreement with experimental data. Suggested CDFT-based method is fast, reliable and may be used in computational screening of solvents. We demonstrate the practical application of the method by benchmarking it on a set of 30 molecules from the electrolyte solvent database.
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Affiliation(s)
- M A Orekhov
- Moscow Institute of Physics and Technology (State University), Dolgoprudny, Russia
- Joint Institute for High Temperatures of the Russian Academy of Sciences (JIHT RAS), Moscow, Russia
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4
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Ashok A, Vasanth A, Nagaura T, Setter C, Clegg JK, Fink A, Masud MK, Hossain MS, Hamada T, Eguchi M, Phan HP, Yamauchi Y. Mesoporous Metastable CuTe 2 Semiconductor. J Am Chem Soc 2023; 145:23461-23469. [PMID: 37851534 DOI: 10.1021/jacs.3c05846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Binary metastable semiconductor materials offer exciting possibilities in the field of optoelectronics, such as photovoltaics, tunable photosensors, and detectors. However, understanding their properties and translating them into practical applications can sometimes be challenging, owing to their thermodynamic instability. Herein, we report a temperature-controlled crystallization technique involving electrochemical deposition to produce metastable CuTe2 thin films that can reliably function under ambient conditions. A series of in situ heating/cooling cycle tests from room temperature to 200 °C followed by spectral, morphological, and compound analyses (such as ultraviolet-visible light spectroscopy, X-ray diffraction (XRD) analysis, and X-ray photoelectron spectroscopy (XPS)) suggest that the seeding electrodes play a key role in the realization of the metastable phase in CuTe2 films. In particular, CuTe2 films deposited on Al electrodes exhibit superior crystallinity and long-term stability compared with those grown on a Au substrate. The XRD data of thermally annealed CuTe2 thin films deposited on Al show a markedly sharp peak, indicating significantly increased crystal-domain sizes. Our method can be used to achieve the metastable phase of CuTe2 with a bandgap of 1.67 eV and offers outstanding photoresponsivity under different illumination conditions.
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Affiliation(s)
- Aditya Ashok
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Arya Vasanth
- Amrita Center for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682041, India
| | - Tomota Nagaura
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Caitlin Setter
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Jack Kay Clegg
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Alexander Fink
- Centre for Microscopy and Microanalysis, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Mostafa Kamal Masud
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Md Shahriar Hossain
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
- School of Mechanical and Mining Engineering, Faculty of Engineering, Architecture, and Information Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Takashi Hamada
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Miharu Eguchi
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
- Faculty of Science and Engineering, Waseda University, Shinjuku, Tokyo 169-8555, Japan
| | - Hoang-Phuong Phan
- School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Yusuke Yamauchi
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
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5
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Sažinas R, Li K, Andersen SZ, Saccoccio M, Li S, Pedersen JB, Kibsgaard J, Vesborg PCK, Chakraborty D, Chorkendorff I. Oxygen-Enhanced Chemical Stability of Lithium-Mediated Electrochemical Ammonia Synthesis. J Phys Chem Lett 2022; 13:4605-4611. [PMID: 35588323 PMCID: PMC9150109 DOI: 10.1021/acs.jpclett.2c00768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Although oxygen added to nonaqueous lithium-mediated electrochemical ammonia synthesis (LiMEAS) enhances Faradaic efficiency, its effect on chemical stability and byproducts requires understanding. Therefore, standardized high-resolution gas chromatography-mass spectrometry and nuclear magnetic resonance were employed. Different volatile degradation products have been qualitatively analyzed and quantified in tetrahydrofuran electrolyte by adding some oxygen to LiMEAS. Electrodeposited lithium and reduction/oxidation of the solvent on the electrodes produced organic byproducts to different extents, depending on the oxygen concentration, and resulted in less decomposition products after LiMEAS with oxygen. The main organic component in solid-electrolyte interphase was polytetrahydrofuran, which disappeared by adding an excess of oxygen (3 mol %) to LiMEAS. The total number of byproducts detected was 14, 9, and 8 with oxygen concentrations of 0, 0.8, and 3 mol %, respectively. The Faradaic efficiency and chemical stability of the LiMEAS have been greatly improved with addition of optimal 0.8 mol % oxygen at 20 bar total pressure.
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6
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Ould DMC, Menkin S, O'Keefe CA, Coowar F, Barker J, Grey CP, Wright DS. New Route to Battery Grade NaPF 6 for Na-Ion Batteries: Expanding the Accessible Concentration. Angew Chem Int Ed Engl 2021; 60:24882-24887. [PMID: 34520612 DOI: 10.1002/anie.202111215] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/13/2021] [Indexed: 01/10/2023]
Abstract
Sodium-ion batteries represent a promising alternative to lithium-ion systems. However, the rapid growth of sodium-ion battery technology requires a sustainable and scalable synthetic route to high-grade sodium hexafluorophosphate. This work demonstrates a new multi-gram scale synthesis of NaPF6 in which the reaction of ammonium hexafluorophosphate with sodium metal in THF solvent generates the electrolyte salt with the absence of the impurities that are common in commercial material. The high purity of the electrolyte (absence of insoluble NaF) allows for concentrations up to 3 M to be obtained accurately in binary carbonate battery solvent. Electrochemical characterization shows that the degradation dynamics of sodium metal-electrolyte interface are different for more concentrated (>2 M) electrolytes, suggesting that the higher concentration regime (above the conventional 1 M concentration) may be beneficial to battery performance.
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Affiliation(s)
- Darren M C Ould
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.,The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Svetlana Menkin
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.,The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Christopher A O'Keefe
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.,The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Fazlil Coowar
- Faradion Limited, The Innovation Centre, 217 Portobello, Sheffield, S1 4DP, UK
| | - Jerry Barker
- Faradion Limited, The Innovation Centre, 217 Portobello, Sheffield, S1 4DP, UK
| | - Clare P Grey
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.,The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Dominic S Wright
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.,The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
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7
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Ould DMC, Menkin S, O'Keefe CA, Coowar F, Barker J, Grey CP, Wright DS. New Route to Battery Grade NaPF
6
for Na‐Ion Batteries: Expanding the Accessible Concentration. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202111215] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Darren M. C. Ould
- Yusuf Hamied Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- The Faraday Institution Quad One, Harwell Science and Innovation Campus Didcot UK
| | - Svetlana Menkin
- Yusuf Hamied Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- The Faraday Institution Quad One, Harwell Science and Innovation Campus Didcot UK
| | - Christopher A. O'Keefe
- Yusuf Hamied Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- The Faraday Institution Quad One, Harwell Science and Innovation Campus Didcot UK
| | - Fazlil Coowar
- Faradion Limited The Innovation Centre, 217 Portobello Sheffield S1 4DP UK
| | - Jerry Barker
- Faradion Limited The Innovation Centre, 217 Portobello Sheffield S1 4DP UK
| | - Clare P. Grey
- Yusuf Hamied Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- The Faraday Institution Quad One, Harwell Science and Innovation Campus Didcot UK
| | - Dominic S. Wright
- Yusuf Hamied Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- The Faraday Institution Quad One, Harwell Science and Innovation Campus Didcot UK
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8
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Behling C, Mayrhofer KJJ, Berkes BB. Formation of lithiated gold and its use for the preparation of reference electrodes — an EQCM study. J Solid State Electrochem 2021. [DOI: 10.1007/s10008-021-05060-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AbstractLithiated gold wires can be used to build reference electrodes with outstanding potential stabilities over several days and even over the course of one year. These electrodes are well suited for investigations in the context of lithium-ion batteries (LIBs). In this work, a detailed procedure for the preparation of such electrodes with tailored mechanical properties, which can be fitted gastight into electrochemical cells using commercially available fittings, is given. The electrochemical lithiation process is studied using the electrochemical quartz crystal microbalance (EQCM) technique, and the differences in lithiation of wire type and thin film type gold electrodes are discussed. All experiments were carried out with two different electrolytes, namely, a LiPF6 and a lithium bis(trifluoromethane sulfonyl) imide (LiTFSI)-based electrolyte, and we conclude that for a higher lithiation rate and long-term stability, the use of LiTFSI-based electrolyte in the preparation phase is beneficial. The EQCM data provides a better insight in the analysis of film formation processes, like the buildup of the solid electrolyte interphase (SEI) during the lithiation, the rate of deposition of metallic lithium, or additional information on the kinetics of Li-Au alloy formation.
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9
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Sažinas R, Andersen SZ, Li K, Saccoccio M, Krempl K, Pedersen JB, Kibsgaard J, Vesborg PCK, Chakraborty D, Chorkendorff I. Towards understanding of electrolyte degradation in lithium-mediated non-aqueous electrochemical ammonia synthesis with gas chromatography-mass spectrometry. RSC Adv 2021; 11:31487-31498. [PMID: 35496884 PMCID: PMC9041547 DOI: 10.1039/d1ra05963g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 09/08/2021] [Indexed: 11/21/2022] Open
Abstract
Lithium-mediated electrochemical ammonia synthesis (LiMEAS) in non-aqueous media is a promising technique for efficient and green ammonia synthesis. Compared to the widely used Haber–Bosch process, the method reduces CO2 emissions to zero due to the application of green hydrogen. However, the non-aqueous medium encounters the alkali metal lithium and organic components at high negative potentials of electrolysis, which leads to formation of byproducts. To assess the environmental risk of this synthesis method, standardized analytical methods towards understanding of the degradation level and consequences are needed. Here we report on the implementation of an approach to analyze the liquid electrolytes after electrochemical ammonia synthesis via high-resolution gas chromatography-mass spectrometry (GCMS). To characterize the molecular species formed after electrolysis, electron ionization high-resolution mass spectrometry (EI-MS) was applied. The fragmentation patterns enabled the elucidation of the mechanisms of byproduct formation. Several organic electrolytes were analyzed and compared both qualitatively and quantitatively to ascertain molecular composition and degradation products. It was found that the organic solvent in contact with metallic electrodeposited lithium induces solvent degradation, and the extent of this decomposition to different organic molecules depends on the organic solvent used. Our results show GCMS as a suitable technique for monitoring non-aqueous electrochemical ammonia synthesis in different organic electrolytes. Lithium-mediated non-aqueous electrochemical ammonia synthesis (LiMEAS) as an efficient and green ammonia production way was studied by GCMS in different organic electrolytes to evaluate the stability of electrochemical systems.![]()
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Affiliation(s)
- Rokas Sažinas
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | | | - Katja Li
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | - Mattia Saccoccio
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | - Kevin Krempl
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | - Jakob Bruun Pedersen
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | - Jakob Kibsgaard
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | | | - Debasish Chakraborty
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | - Ib Chorkendorff
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
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10
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Serva A, Dubouis N, Grimaud A, Salanne M. Confining Water in Ionic and Organic Solvents to Tune Its Adsorption and Reactivity at Electrified Interfaces. Acc Chem Res 2021; 54:1034-1042. [PMID: 33530686 PMCID: PMC7944480 DOI: 10.1021/acs.accounts.0c00795] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Indexed: 12/17/2022]
Abstract
ConspectusThe recent discovery of "water-in-salt" electrolytes has spurred a rebirth of research on aqueous batteries. Most of the attention has been focused on the formulation of salts enabling the electrochemical window to be expanded as much as possible, well beyond the 1.23 V allowed by thermodynamics in water. This approach has led to critical successes, with devices operating at voltages of up to 4 V. These efforts were accompanied by fundamental studies aiming at understanding water speciation and its link with the bulk and interfacial properties of water-in-salt electrolytes. This speciation was found to differ markedly from that in conventional aqueous solutions since most water molecules are involved in the solvation of the cationic species (in general Li+) and thus cannot form their usual hydrogen-bonding network. Instead, it is the anions that tend to self-aggregate in nanodomains and dictate the interfacial and transport properties of the electrolyte. This particular speciation drastically alters the presence and reactivity of the water molecules at electrified interfaces, which enlarges the electrochemical windows of these aqueous electrolytes.Thanks to this fundamental understanding, a second very active lead was recently followed, which consists of using a scarce amount of water in nonaqueous electrolytes in order to control the interfacial properties. Following this path, it was proposed to use an organic solvent such as acetonitrile as a confinement matrix for water. Tuning the salt/water ratio in such systems leads to a whole family of systems that can be used to determine the reactivity of water and control the potential at which the hydrogen evolution reaction occurs. Put together, all of these efforts allow a shift of our view of the water molecule from a passive solvent to a reactant involved in many distinct fields ranging from electrochemical energy storage to (electro)catalysis.Combining spectroscopic and electrochemical techniques with molecular dynamics simulations, we have observed very interesting chemical phenomena such as immiscibility between two aqueous phases, specific adsorption properties of water molecules that strongly affect their reactivity, and complex diffusive mechanisms due to the formation of anionic and aqueous nanodomains.
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Affiliation(s)
- Alessandra Serva
- Sorbonne
Université, CNRS, Physico-chimie des Electrolytes et Nanosystémes
Interfaciaux, PHENIX, F-75005 Paris, France
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), Amiens, France
| | - Nicolas Dubouis
- Chimie
du Solide et de l’Energie, Collège
de France, 11 Place Marcelin Berthelot, 75231 Paris, France
- Sorbonne
Université, Paris, France
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), Amiens, France
| | - Alexis Grimaud
- Sorbonne
Université, Paris, France
- Chimie
du Solide et de l’Energie, Collège
de France, Paris, France
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), Amiens, France
| | - Mathieu Salanne
- Sorbonne
Université, CNRS, Physico-chimie des Electrolytes et Nanosystémes
Interfaciaux, PHENIX, F-75005 Paris, France
- Institut
Universitaire de France (IUF), 75231 Paris Cedex 05, France
- Réseau
sur le Stockage Electrochimique de l’Energie (RS2E), Amiens, France
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11
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Amores M, El-Shinawi H, McClelland I, Yeandel SR, Baker PJ, Smith RI, Playford HY, Goddard P, Corr SA, Cussen EJ. Li 1.5La 1.5MO 6 (M = W 6+, Te 6+) as a new series of lithium-rich double perovskites for all-solid-state lithium-ion batteries. Nat Commun 2020; 11:6392. [PMID: 33319782 PMCID: PMC7738526 DOI: 10.1038/s41467-020-19815-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 10/27/2020] [Indexed: 12/20/2022] Open
Abstract
Solid-state batteries are a proposed route to safely achieving high energy densities, yet this architecture faces challenges arising from interfacial issues between the electrode and solid electrolyte. Here we develop a novel family of double perovskites, Li1.5La1.5MO6 (M = W6+, Te6+), where an uncommon lithium-ion distribution enables macroscopic ion diffusion and tailored design of the composition allows us to switch functionality to either a negative electrode or a solid electrolyte. Introduction of tungsten allows reversible lithium-ion intercalation below 1 V, enabling application as an anode (initial specific capacity >200 mAh g-1 with remarkably low volume change of ∼0.2%). By contrast, substitution of tungsten with tellurium induces redox stability, directing the functionality of the perovskite towards a solid-state electrolyte with electrochemical stability up to 5 V and a low activation energy barrier (<0.2 eV) for microscopic lithium-ion diffusion. Characterisation across multiple length- and time-scales allows interrogation of the structure-property relationships in these materials and preliminary examination of a solid-state cell employing both compositions suggests lattice-matching avenues show promise for all-solid-state batteries.
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Affiliation(s)
- Marco Amores
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, S1 3JD, UK
| | - Hany El-Shinawi
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, S1 3JD, UK.,The Faraday Institution, Harwell Campus, Didcot, OX1 0RA, UK
| | - Innes McClelland
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, S1 3JD, UK
| | - Stephen R Yeandel
- Department of Chemistry, Loughborough University, Epinal Way, Loughborough, LE11 3TU, UK
| | - Peter J Baker
- ISIS Pulsed Neutron and Muon Source, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - Ronald I Smith
- ISIS Pulsed Neutron and Muon Source, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - Helen Y Playford
- ISIS Pulsed Neutron and Muon Source, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - Pooja Goddard
- Department of Chemistry, Loughborough University, Epinal Way, Loughborough, LE11 3TU, UK
| | - Serena A Corr
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, S1 3JD, UK. .,Department of Materials Science and Engineering, University of Sheffield, Sheffield, S1 3JD, UK.
| | - Edmund J Cussen
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, S1 3JD, UK. .,Department of Materials Science and Engineering, University of Sheffield, Sheffield, S1 3JD, UK.
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12
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Ge A, Inoue KI, Ye S. Probing the electrode-solution interfaces in rechargeable batteries by sum-frequency generation spectroscopy. J Chem Phys 2020; 153:170902. [PMID: 33167651 DOI: 10.1063/5.0026283] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
An in-depth understanding of the electrode-electrolyte interaction and electrochemical reactions at the electrode-solution interfaces in rechargeable batteries is essential to develop novel electrolytes and electrode materials with high performance. In this perspective, we highlight the advantages of the interface-specific sum-frequency generation (SFG) spectroscopy on the studies of the electrode-solution interface for the Li-ion and Li-O2 batteries. The SFG studies in probing solvent adsorption structures and solid-electrolyte interphase formation for the Li-ion battery are briefly reviewed. Recent progress on the SFG study of the oxygen reaction mechanisms and stability of the electrolyte in the Li-O2 battery is also discussed. Finally, we present the current perspective and future directions in the SFG studies on the electrode-electrolyte interfaces toward providing deeper insight into the mechanisms of discharging/charging and parasitic reactions in novel rechargeable battery systems.
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Affiliation(s)
- Aimin Ge
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Ken-Ichi Inoue
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Shen Ye
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
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13
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Hestenes JC, Ells AW, Navarro Goldaraz M, Sergeyev IV, Itin B, Marbella LE. Reversible Deposition and Stripping of the Cathode Electrolyte Interphase on Li 2RuO 3. Front Chem 2020; 8:681. [PMID: 32850679 PMCID: PMC7417863 DOI: 10.3389/fchem.2020.00681] [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: 05/12/2020] [Accepted: 06/30/2020] [Indexed: 11/13/2022] Open
Abstract
Performance decline in Li-excess cathodes is generally attributed to structural degradation at the electrode-electrolyte interphase, including transition metal migration into the lithium layer and oxygen evolution into the electrolyte. Reactions between these new surface structures and/or reactive oxygen species in the electrolyte can lead to the formation of a cathode electrolyte interphase (CEI) on the surface of the electrode, though the link between CEI composition and the performance of Li-excess materials is not well understood. To bridge this gap in understanding, we use solid-state nuclear magnetic resonance (SSNMR) spectroscopy, dynamic nuclear polarization (DNP) NMR, and electrochemical impedance spectroscopy (EIS) to assess the chemical composition and impedance of the CEI on Li2RuO3 as a function of state of charge and cycle number. We show that the CEI that forms on Li2RuO3 when cycled in carbonate-containing electrolytes is similar to the solid electrolyte interphase (SEI) that has been observed on anode materials, containing components such as PEO, Li acetate, carbonates, and LiF. The CEI composition deposited on the cathode surface on charge is chemically distinct from that observed upon discharge, supporting the notion of crosstalk between the SEI and the CEI, with Li+-coordinating species leaving the CEI during delithiation. Migration of the outer CEI combined with the accumulation of poor ionic conducting components on the static inner CEI may contribute to the loss of performance over time in Li-excess cathode materials.
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Affiliation(s)
- Julia C Hestenes
- Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, United States
| | - Andrew W Ells
- Department of Chemical Engineering, Columbia University, New York, NY, United States
| | - Mateo Navarro Goldaraz
- Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, United States
| | | | - Boris Itin
- New York Structural Biology Center, New York, NY, United States
| | - Lauren E Marbella
- Department of Chemical Engineering, Columbia University, New York, NY, United States
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14
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Luchkin SY, Lipovskikh SA, Katorova NS, Savina AA, Abakumov AM, Stevenson KJ. Solid-electrolyte interphase nucleation and growth on carbonaceous negative electrodes for Li-ion batteries visualized with in situ atomic force microscopy. Sci Rep 2020; 10:8550. [PMID: 32444787 PMCID: PMC7244741 DOI: 10.1038/s41598-020-65552-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/06/2020] [Indexed: 11/10/2022] Open
Abstract
Li-ion battery performance and life cycle strongly depend on a passivation layer called solid-electrolyte interphase (SEI). Its structure and composition are studied in great details, while its formation process remains elusive due to difficulty of in situ measurements of battery electrodes. Here we provide a facile methodology for in situ atomic force microscopy (AFM) measurements of SEI formation on cross-sectioned composite battery electrodes allowing for direct observations of SEI formation on various types of carbonaceous negative electrode materials for Li-ion batteries. Using this approach, we observed SEI nucleation and growth on highly oriented pyrolytic graphite (HOPG), MesoCarbon MicroBeads (MCMB) graphite, and non-graphitizable amorphous carbon (hard carbon). Besides the details of the formation mechanism, the electrical and mechanical properties of the SEI layers were assessed. The comparative observations revealed that the electrode potentials for SEI formation differ depending on the nature of the electrode material, whereas the adhesion of SEI to the electrode surface clearly correlates with the surface roughness of the electrode. Finally, the same approach applied to a positive LiNi1/3Mn1/3Co1/3O2 electrode did not reveal any signature of cathodic SEI thus demonstrating fundamental differences in the stabilization mechanisms of the negative and positive electrodes in Li-ion batteries.
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Affiliation(s)
- Sergey Yu Luchkin
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, Russia.
| | - Svetlana A Lipovskikh
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Natalia S Katorova
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Aleksandra A Savina
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Artem M Abakumov
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Keith J Stevenson
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, Russia
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15
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Castelli IE, Zorko M, Østergaard TM, Martins PFBD, Lopes PP, Antonopoulos BK, Maglia F, Markovic NM, Strmcnik D, Rossmeisl J. The role of an interface in stabilizing reaction intermediates for hydrogen evolution in aprotic electrolytes. Chem Sci 2020; 11:3914-3922. [PMID: 34122861 PMCID: PMC8152617 DOI: 10.1039/c9sc05768d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
By combining idealized experiments with realistic quantum mechanical simulations of an interface, we investigate electro-reduction reactions of HF, water and methanesulfonic acid (MSA) on the single crystal (111) facets of Au, Pt, Ir and Cu in organic aprotic electrolytes, 1 M LiPF6 in EC/EMC 3:7W (LP57), the aprotic electrolyte commonly used in Li-ion batteries, 1 M LiClO4 in EC/EMC 3:7W and 0.2 M TBAPF6 in 3 : 7 EC/EMC. In our previous work, we have established that LiF formation, accompanied by H2 evolution, is caused by a reduction of HF impurities and requires the presence of Li at the interface, which catalyzes the HF dissociation. In the present paper, we find that the measured potential of the electrochemical response for these reduction reactions correlates with the work function of the electrode surfaces and that the work function determines the potential for Li+ adsorption. The reaction path is investigated further by electrochemical simulations suggesting that the overpotential of the reaction is related to stabilizing the active structure of the interface having adsorbed Li+. Li+ is needed to facilitate the dissociation of HF which is the source of protons. Further experiments on other proton sources, water and methanesulfonic acid, show that if the hydrogen evolution involves negatively charged intermediates, F- or HO-, a cation at the interface can stabilize them and facilitate the reaction kinetics. When the proton source is already significantly dissociated (in the case of a strong acid), there is no negatively charged intermediate and thus the hydrogen evolution can proceed at much lower overpotentials. This reveals a situation where the overpotential for electrocatalysis is related to stabilizing the active structure of the interface, facilitating the reaction rather than providing the reaction energy.
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Affiliation(s)
- Ivano E Castelli
- Nano-Science Center, Department of Chemistry, University of Copenhagen Copenhagen Ø DK-2100 Denmark .,Department of Energy Conversion and Storage, Technical University of Denmark Kgs. Lyngby DK-2800 Denmark
| | - Milena Zorko
- Materials Science Division, Argonne National Laboratory Argonne IL USA
| | - Thomas M Østergaard
- Nano-Science Center, Department of Chemistry, University of Copenhagen Copenhagen Ø DK-2100 Denmark
| | | | - Pietro P Lopes
- Materials Science Division, Argonne National Laboratory Argonne IL USA
| | | | - Filippo Maglia
- Battery Cell Technology, BMW Group München Germany.,Institute for Advanced Study, Technical University of Munich Lichtenbergstrasse 2a D-85748 Garching Germany
| | - Nenad M Markovic
- Materials Science Division, Argonne National Laboratory Argonne IL USA
| | - Dusan Strmcnik
- Materials Science Division, Argonne National Laboratory Argonne IL USA
| | - Jan Rossmeisl
- Nano-Science Center, Department of Chemistry, University of Copenhagen Copenhagen Ø DK-2100 Denmark
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16
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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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17
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Iodide adsorption at Au(111) electrode in non-aqueous electrolyte: AC-voltammetry and EIS studies. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135556] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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18
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Schwalbe JA, Statt MJ, Chosy C, Singh AR, Rohr BA, Nielander AC, Andersen SZ, McEnaney JM, Baker JG, Jaramillo TF, Norskov JK, Cargnello M. A Combined Theory‐Experiment Analysis of the Surface Species in Lithium‐Mediated NH
3
Electrosynthesis. ChemElectroChem 2020. [DOI: 10.1002/celc.201902124] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jay A. Schwalbe
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Michael J. Statt
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Cullen Chosy
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Aayush R. Singh
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Brian A. Rohr
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Adam C. Nielander
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Suzanne Z. Andersen
- Department of Physics Technical University of Denmark Kongens Lyngby Denmark
| | - Joshua M. McEnaney
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Jon G. Baker
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Thomas F. Jaramillo
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
| | - Jens K. Norskov
- Department of Physics Technical University of Denmark Kongens Lyngby Denmark
| | - Matteo Cargnello
- Department of Chemical Engineering and SUNCAT Center for Interface Science and Catalysis Stanford University Stanford CA 94305 USA
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19
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Hekmatfar M, Kazzazi A, Eshetu GG, Hasa I, Passerini S. Understanding the Electrode/Electrolyte Interface Layer on the Li-Rich Nickel Manganese Cobalt Layered Oxide Cathode by XPS. ACS APPLIED MATERIALS & INTERFACES 2019; 11:43166-43179. [PMID: 31651141 DOI: 10.1021/acsami.9b14389] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Layered lithium-rich nickel manganese cobalt oxide (LR-NMC) represents one of the most promising cathode materials for application in high energy density lithium-ion batteries. The extraordinary capacity delivered derives from a combination of both cationic and anionic redox processes. However, the latter ones lead to oxygen evolution which triggers structural degradation and electrode/electrolyte interface (EEI) instability that hinders the use of LR-NMC in practical application. In this work, we investigate the surface chemistry of LR-NMC and its evolution upon different conditions to give further insights into the processes occurring at the EEI. X-ray photoelectron spectroscopy studies reveal that once the organic component of the layer is formed, it remains stable independently on the higher cutoff voltage applied, while continuous growth of inorganics along with oxygen evolution occurs. The results performed on lithiated and delithiated LR-NMC surfaces indicate an instability of the EEI layer formed at high voltages, which undergoes a partial decomposition. Furthermore, the tris(pentafluorophenyl)borane electrolyte additive simultaneously prevents excess LiF formation and changes the chemical composition of the EEI layer. The latter is characterized by a higher amount of poly(ethylene oxide) oligomer species and LixPOyFz formation. In addition, the presence of boron-containing compounds in the EEI layer cannot be excluded, which may be also responsible of the increased thickness of the EEI layer. Finally, fast kinetics at elevated temperatures exacerbate the salt decomposition which results in the formation of an EEI which is thicker and richer in LiF.
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Affiliation(s)
- Maral Hekmatfar
- Helmholtz Institute Ulm (HIU) , Helmholtzstrasse 11 , 89081 Ulm , Baden-Württemberg , Germany
- Karlsruhe Institute of Technology (KIT) , P.O. Box 3640, 76021 Karlsruhe , Baden-Württemberg , Germany
| | - Arefeh Kazzazi
- Helmholtz Institute Ulm (HIU) , Helmholtzstrasse 11 , 89081 Ulm , Baden-Württemberg , Germany
- Karlsruhe Institute of Technology (KIT) , P.O. Box 3640, 76021 Karlsruhe , Baden-Württemberg , Germany
| | - Gebrekidan Gebresilassie Eshetu
- Helmholtz Institute Ulm (HIU) , Helmholtzstrasse 11 , 89081 Ulm , Baden-Württemberg , Germany
- Karlsruhe Institute of Technology (KIT) , P.O. Box 3640, 76021 Karlsruhe , Baden-Württemberg , Germany
| | - Ivana Hasa
- Helmholtz Institute Ulm (HIU) , Helmholtzstrasse 11 , 89081 Ulm , Baden-Württemberg , Germany
- Karlsruhe Institute of Technology (KIT) , P.O. Box 3640, 76021 Karlsruhe , Baden-Württemberg , Germany
| | - Stefano Passerini
- Helmholtz Institute Ulm (HIU) , Helmholtzstrasse 11 , 89081 Ulm , Baden-Württemberg , Germany
- Karlsruhe Institute of Technology (KIT) , P.O. Box 3640, 76021 Karlsruhe , Baden-Württemberg , Germany
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20
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Ahn YY, Yun E. Heterogeneous metals and metal-free carbon materials for oxidative degradation through persulfate activation: A review of heterogeneous catalytic activation of persulfate related to oxidation mechanism. KOREAN J CHEM ENG 2019. [DOI: 10.1007/s11814-019-0398-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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21
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Feng S, Huang M, Lamb JR, Zhang W, Tatara R, Zhang Y, Zhu YG, Perkinson CF, Johnson JA, Shao-Horn Y. Molecular Design of Stable Sulfamide- and Sulfonamide-based Electrolytes for Aprotic Li-O 2 Batteries. Chem 2019; 5:2630-2641. [PMID: 32832724 PMCID: PMC7442112 DOI: 10.1016/j.chempr.2019.07.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Electrolyte instability is one of the most challenging impediments to enabling Lithium-Oxygen (Li-O2) batteries for practical use. The use of physical organic chemistry principles to rationally design new molecular components may enable the discovery of electrolytes with stability profiles that cannot be achieved with existing formulations. Here, we report on the development of sulfamide- and sulfonamide-based small molecules that are liquids at room temperature, capable of dissolving reasonably high concentration of Li salts (e.g., LiTFSI), and are exceptionally stable under the harsh chemical and electrochemical conditions of aprotic Li-O2 batteries. In particular, N,N-dimethyl-trifluoromethanesulfonamide was found to be highly resistant to chemical degradation by peroxide and superoxide, stable against electrochemical oxidation up to 4.5 VLi, and stable for > 90 cycles in a Li-O2 cell when cycled at < 4.2 VLi. This study provides guiding principles for the development of next-generation electrolyte components based on sulfamides and sulfonamides.
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Affiliation(s)
- Shuting Feng
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- These authors contributed equally
| | - Mingjun Huang
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- These authors contributed equally
| | - Jessica R. Lamb
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Wenxu Zhang
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Ryoichi Tatara
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yirui Zhang
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yun Guang Zhu
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Collin F. Perkinson
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jeremiah A. Johnson
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Lead contact
| | - Yang Shao-Horn
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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22
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Weber I, Schnaidt J, Wang B, Diemant T, Behm RJ. Model Studies on the Solid Electrolyte Interphase Formation on Graphite Electrodes in Ethylene Carbonate and Dimethyl Carbonate: Highly Oriented Pyrolytic Graphite. ChemElectroChem 2019. [DOI: 10.1002/celc.201900909] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Isabella Weber
- Helmholtz-Institute Ulm (HIU) Electrochemical Energy Storage Helmholtzstraße 11 D-89081 Ulm Germany
- Institute of Surface Chemistry and CatalysisUlm University Albert-Einstein-Allee 47 D-89081 Ulm Germany
- Karlsruhe Institute of Technology (KIT) P.O. Box 3640 D-76021 Karlsruhe Germany
| | - Johannes Schnaidt
- Helmholtz-Institute Ulm (HIU) Electrochemical Energy Storage Helmholtzstraße 11 D-89081 Ulm Germany
- Karlsruhe Institute of Technology (KIT) P.O. Box 3640 D-76021 Karlsruhe Germany
| | - Bin Wang
- Institute of Surface Chemistry and CatalysisUlm University Albert-Einstein-Allee 47 D-89081 Ulm Germany
| | - Thomas Diemant
- Institute of Surface Chemistry and CatalysisUlm University Albert-Einstein-Allee 47 D-89081 Ulm Germany
| | - R. Jürgen Behm
- Helmholtz-Institute Ulm (HIU) Electrochemical Energy Storage Helmholtzstraße 11 D-89081 Ulm Germany
- Institute of Surface Chemistry and CatalysisUlm University Albert-Einstein-Allee 47 D-89081 Ulm Germany
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23
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Koshikawa H, Matsuda S, Kamiya K, Miyayama M, Kubo Y, Uosaki K, Hashimoto K, Nakanishi S. Electrochemical impedance analysis of the Li/Au-Li7La3Zr2O12 interface during Li dissolution/deposition cycles: Effect of pre-coating Li7La3Zr2O12 with Au. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.01.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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24
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Dubouis N, Serva A, Salager E, Deschamps M, Salanne M, Grimaud A. The Fate of Water at the Electrochemical Interfaces: Electrochemical Behavior of Free Water Versus Coordinating Water. J Phys Chem Lett 2018; 9:6683-6688. [PMID: 30398885 DOI: 10.1021/acs.jpclett.8b03066] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The water reduction that produces hydrogen is one key reaction for electrochemical energy storage. While it has been widely studied in traditional aqueous electrolytes for water splitting (electrolyzers), it also plays an important role for batteries. Indeed, the reduction of water at relatively high potential prevents the practical realization of high-voltage aqueous batteries, while water contamination is detrimental for organic battery electrolytes. Nevertheless, recent studies pointed toward the positive effect of traces of water for Li-air batteries as well as for the formation of solid-electrolyte interphase. Herein, we provide a detailed understanding of the role of the solvation on water reduction reaction in organic electrolytes. Using electrochemistry, classical molecular dynamics simulations, and nuclear magnetic resonance spectroscopy, we were able to demonstrate that (1) the hydrophilicity/hydrophobicity of the species inside the electrochemical double layer directly controls the reduction of water and (2) water-coordinating strong Lewis acids such as Li+ cation are more reactive than free water (or noncoordinating) water molecules.
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Affiliation(s)
- Nicolas Dubouis
- Chimie du Solide et de l'Energie , UMR 8260, Collège de France , 75231 Paris Cedex 05, France
- Réseau sur le Stockage Electrochimique de l'Energie , CNRS FR3459 , 33 rue Saint Leu , 80039 Amiens Cedex, France
| | - Alessandra Serva
- Sorbonne Université, CNRS, Physico-Chimie des Électrolytes et Nanosystèmes Interfaciaux , F-75005 Paris , France
| | - Elodie Salager
- Réseau sur le Stockage Electrochimique de l'Energie , CNRS FR3459 , 33 rue Saint Leu , 80039 Amiens Cedex, France
- CEMHTI, CNRS, UPR3079, Université d'Orléans , 1D avenue de la recherche scientifique , 45071 Orléans Cedex 2, France
| | - Michael Deschamps
- Réseau sur le Stockage Electrochimique de l'Energie , CNRS FR3459 , 33 rue Saint Leu , 80039 Amiens Cedex, France
- CEMHTI, CNRS, UPR3079, Université d'Orléans , 1D avenue de la recherche scientifique , 45071 Orléans Cedex 2, France
| | - Mathieu Salanne
- Réseau sur le Stockage Electrochimique de l'Energie , CNRS FR3459 , 33 rue Saint Leu , 80039 Amiens Cedex, France
- Sorbonne Université, CNRS, Physico-Chimie des Électrolytes et Nanosystèmes Interfaciaux , F-75005 Paris , France
| | - Alexis Grimaud
- Chimie du Solide et de l'Energie , UMR 8260, Collège de France , 75231 Paris Cedex 05, France
- Réseau sur le Stockage Electrochimique de l'Energie , CNRS FR3459 , 33 rue Saint Leu , 80039 Amiens Cedex, France
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25
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Tarasevich MR, Korchagin OV, Tripachev OV. Comparative Study of Special Features of the Oxygen Reaction (Molecular Oxygen Ionization and Evolution) in Aqueous and Nonaqueous Electrolyte Solutions (a Review). RUSS J ELECTROCHEM+ 2018. [DOI: 10.1134/s1023193518010093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Girard GMA, Hilder M, Dupre N, Guyomard D, Nucciarone D, Whitbread K, Zavorine S, Moser M, Forsyth M, MacFarlane DR, Howlett PC. Spectroscopic Characterization of the SEI Layer Formed on Lithium Metal Electrodes in Phosphonium Bis(fluorosulfonyl)imide Ionic Liquid Electrolytes. ACS APPLIED MATERIALS & INTERFACES 2018; 10:6719-6729. [PMID: 29377667 DOI: 10.1021/acsami.7b18183] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The chemical composition of the solid electrolyte interphase (SEI) layer formed on the surface of lithium metal electrodes cycled in phosphonium bis(fluorosulfonyl)imide ionic liquid (IL) electrolytes are characterized by magic angle spinning nuclear magnetic resonance (MAS NMR), X-ray photoelectron spectroscopy (XPS), fourier transformed infrared spectroscopy, and electrochemical impedance spectroscopy. A multiphase layered structure is revealed, which is shown to remain relatively unchanged during extended cycling (up to 250 cycles at 1.5 mA·cm-2, 3 mA h·cm-2, 50 °C). The main components detected by MAS NMR and XPS after several hundreds of cycles are LiF and breakdown products from the bis(fluorosulfonyl)imide anion including Li2S. Similarities in chemical composition are observed in the case of the dilute (0.5 mol·kg-1 of Li salt in IL) and the highly concentrated (3.8 mol·kg-1 of Li salt in IL) electrolyte during cycling. The concentrated system is found to promote the formation of a thicker and more uniform SEI with larger amounts of reduced species from the anion. These SEI features are thought to facilitate more stable and efficient Li cycling and a reduced tendency for dendrite formation.
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Affiliation(s)
- Gaetan M A Girard
- Institute for Frontier Materials (IFM), Deakin University , Waurn Ponds, Victoria 3216, Australia
| | - Matthias Hilder
- Institute for Frontier Materials (IFM), Deakin University , Waurn Ponds, Victoria 3216, Australia
| | - Nicolas Dupre
- Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, 2 rue de la Houssinière , BP 32229, 44322 Nantes Cedex 3, France
| | - Dominique Guyomard
- Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, 2 rue de la Houssinière , BP 32229, 44322 Nantes Cedex 3, France
| | | | | | | | | | - Maria Forsyth
- Institute for Frontier Materials (IFM), Deakin University , Waurn Ponds, Victoria 3216, Australia
| | | | - Patrick C Howlett
- Institute for Frontier Materials (IFM), Deakin University , Waurn Ponds, Victoria 3216, Australia
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27
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Tripathi AM, Su WN, Hwang BJ. In situ analytical techniques for battery interface analysis. Chem Soc Rev 2018; 47:736-851. [DOI: 10.1039/c7cs00180k] [Citation(s) in RCA: 268] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Interface is a key to high performance and safe lithium-ion batteries or lithium batteries.
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Affiliation(s)
- Alok M. Tripathi
- Nano-electrochemistry Laboratory
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Wei-Nien Su
- Nano-electrochemistry Laboratory
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
| | - Bing Joe Hwang
- Nano-electrochemistry Laboratory
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei
- Taiwan
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28
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Mahne N, Fontaine O, Thotiyl MO, Wilkening M, Freunberger SA. Mechanism and performance of lithium-oxygen batteries - a perspective. Chem Sci 2017; 8:6716-6729. [PMID: 29147497 PMCID: PMC5643885 DOI: 10.1039/c7sc02519j] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 07/31/2017] [Indexed: 12/12/2022] Open
Abstract
Rechargeable Li-O2 batteries have amongst the highest formal energy and could store significantly more energy than other rechargeable batteries in practice if at least a large part of their promise could be realized. Realization, however, still faces many challenges than can only be overcome by fundamental understanding of the processes taking place. Here, we review recent advances in understanding the chemistry of the Li-O2 cathode and provide a perspective on dominant research needs. We put particular emphasis on issues that are often grossly misunderstood: realistic performance metrics and their reporting as well as identifying reversibility and quantitative measures to do so. Parasitic reactions are the prime obstacle for reversible cell operation and have recently been identified to be predominantly caused by singlet oxygen and not by reduced oxygen species as thought before. We discuss the far reaching implications of this finding on electrolyte and cathode stability, electrocatalysis, and future research needs.
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Affiliation(s)
- Nika Mahne
- Institute for Chemistry and Technology of Materials , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria .
| | - Olivier Fontaine
- Institut Charles Gerhardt Montpellier , UMR 5253, CC 1701 , Université Montpellier , Place Eugène Bataillon , 34095 Montpellier Cedex 5 , France
- Réseau sur le Stockage Electrochimique de l'énergie (RS2E) , FR CNRS , France
| | - Musthafa Ottakam Thotiyl
- Department of Chemistry , Indian Institute of Science Education and Research (IISER) , Dr Homi Bhabha Road, Pashan , Pune , 411008 , India
| | - Martin Wilkening
- Institute for Chemistry and Technology of Materials , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria .
| | - Stefan A Freunberger
- Institute for Chemistry and Technology of Materials , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria .
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29
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Yu T, Fu J, Cai R, Yu A, Chen Z. Nonprecious Electrocatalysts for Li?Air and Zn?Air Batteries: Fundamentals and recent advances. IEEE NANOTECHNOLOGY MAGAZINE 2017. [DOI: 10.1109/mnano.2017.2710380] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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30
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Wang H, Matsui M, Kuwata H, Sonoki H, Matsuda Y, Shang X, Takeda Y, Yamamoto O, Imanishi N. A reversible dendrite-free high-areal-capacity lithium metal electrode. Nat Commun 2017; 8:15106. [PMID: 28440299 PMCID: PMC5414052 DOI: 10.1038/ncomms15106] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 02/27/2017] [Indexed: 02/08/2023] Open
Abstract
Reversible dendrite-free low-areal-capacity lithium metal electrodes have recently been revived, because of their pivotal role in developing beyond lithium ion batteries. However, there have been no reports of reversible dendrite-free high-areal-capacity lithium metal electrodes. Here we report on a strategy to realize unprecedented stable cycling of lithium electrodeposition/stripping with a highly desirable areal-capacity (12 mAh cm−2) and exceptional Coulombic efficiency (>99.98%) at high current densities (>5 mA cm−2) and ambient temperature using a diluted solvate ionic liquid. The essence of this strategy, that can drastically improve lithium electrodeposition kinetics by cyclic voltammetry premodulation, lies in the tailoring of the top solid-electrolyte interphase layer in a diluted solvate ionic liquid to facilitate a two-dimensional growth mode. We anticipate that this discovery could pave the way for developing reversible dendrite-free metal anodes for sustainable battery chemistries. Despite recent technological advances, it remains challenging to realize reversible high-areal-capacity lithium metal anodes. Here, the authors demonstrate such an anode by tailoring the top solid electrolyte interphase layer.
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Affiliation(s)
- Hui Wang
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Masaki Matsui
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan.,Department of Chemical Science and Engineering, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Hocho, Kawaguchi, Saitama 332-0012, Japan
| | - Hiroko Kuwata
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Hidetoshi Sonoki
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Yasuaki Matsuda
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Xuefu Shang
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Yasuo Takeda
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Osamu Yamamoto
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
| | - Nobuyuki Imanishi
- Department of Chemistry for Materials, Faculty of Engineering, Mie University, Tsu 514-8507, Japan
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31
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Kwon HM, Thomas ML, Tatara R, Oda Y, Kobayashi Y, Nakanishi A, Ueno K, Dokko K, Watanabe M. Stability of Glyme Solvate Ionic Liquid as an Electrolyte for Rechargeable Li-O 2 Batteries. ACS APPLIED MATERIALS & INTERFACES 2017; 9:6014-6021. [PMID: 28121136 DOI: 10.1021/acsami.6b14449] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A solvate ionic liquid (SIL) was compared with a conventional organic solvent for the electrolyte of the Li-O2 battery. An equimolar mixture of triglyme (G3) and lithium bis(trifluoromethanesulfonyl)amide (Li[TFSA]), and a G3/Li[TFSA] mixture containing excess glyme were chosen as the SIL and the conventional electrolyte, respectively. Charge behavior and accompanying gas evolution of the two electrolytes was investigated by electrochemical mass spectrometry (ECMS). From the linear sweep voltammetry performed on an as-prepared cell, we demonstrate that the SIL has a higher oxidative stability than the conventional electrolyte and, furthermore, offers the advantage of lower volatility, which would benefit an open-type lithium-O2 cell design. Moreover, CO2 evolution during galvanostatic charge was less in the SIL, which implies less side reaction. However, O2 evolution during charge did not reach the theoretical value in either of the two electrolytes. Several mass spectral fragments were generated during the charge process, which provided evidence for side reactions of glyme-based electrolytes. We further relate the difference in observed discharge product morphology for these electrolytes to the solubility of the superoxide intermediate, determined by rotating ring disk electrode (RRDE) measurements.
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Affiliation(s)
- Hoi-Min Kwon
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Morgan L Thomas
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Ryoichi Tatara
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Yoshiki Oda
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Yuki Kobayashi
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Azusa Nakanishi
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Kazuhide Ueno
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Kaoru Dokko
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Masayoshi Watanabe
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
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32
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Morasch R, Kwabi DG, Tulodziecki M, Risch M, Zhang S, Shao-Horn Y. Insights into Electrochemical Oxidation of NaO 2 in Na-O 2 Batteries via Rotating Ring Disk and Spectroscopic Measurements. ACS APPLIED MATERIALS & INTERFACES 2017; 9:4374-4381. [PMID: 28173703 DOI: 10.1021/acsami.6b08355] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
O2 reduction in aprotic Na-O2 batteries results in the formation of NaO2, which can be oxidized at small overpotentials (<200 mV) on charge. In this study, we investigated the NaO2 oxidation mechanism using rotating ring disk electrode (RRDE) measurements of Na-O2 reaction products and by tracking the morphological evolution of the NaO2 discharge product at different states of charge using scanning electron microscopy (SEM). The results show that negligible soluble species are formed during NaO2 oxidation, and that the oxidation occurs predominantly via charge transfer at the interface between NaO2 and carbon electrode fibers rather than uniformly from all NaO2 surfaces. X-ray absorption near edge structure (XANES), and X-ray photoelectron spectroscopy (XPS) measurements show that the band gap of NaO2 is smaller than that of Li2O2 formed in Li-O2 batteries, in which charging overpotentials are much higher (∼1000 mV). These results emphasize the importance of discharge product electronic structure for rationalizing metal-air battery mechanisms and performance.
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Affiliation(s)
- Robert Morasch
- Research Laboratory of Electronics, ‡Electrochemical Energy Laboratory, §Department of Mechanical Engineering, ∥Department of Chemistry, and ⊥Department of Materials Science & Engineering, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - David G Kwabi
- Research Laboratory of Electronics, ‡Electrochemical Energy Laboratory, §Department of Mechanical Engineering, ∥Department of Chemistry, and ⊥Department of Materials Science & Engineering, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Michal Tulodziecki
- Research Laboratory of Electronics, ‡Electrochemical Energy Laboratory, §Department of Mechanical Engineering, ∥Department of Chemistry, and ⊥Department of Materials Science & Engineering, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Marcel Risch
- Research Laboratory of Electronics, ‡Electrochemical Energy Laboratory, §Department of Mechanical Engineering, ∥Department of Chemistry, and ⊥Department of Materials Science & Engineering, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Shiyu Zhang
- Research Laboratory of Electronics, ‡Electrochemical Energy Laboratory, §Department of Mechanical Engineering, ∥Department of Chemistry, and ⊥Department of Materials Science & Engineering, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Yang Shao-Horn
- Research Laboratory of Electronics, ‡Electrochemical Energy Laboratory, §Department of Mechanical Engineering, ∥Department of Chemistry, and ⊥Department of Materials Science & Engineering, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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33
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Watanabe M, Thomas ML, Zhang S, Ueno K, Yasuda T, Dokko K. Application of Ionic Liquids to Energy Storage and Conversion Materials and Devices. Chem Rev 2017; 117:7190-7239. [PMID: 28084733 DOI: 10.1021/acs.chemrev.6b00504] [Citation(s) in RCA: 682] [Impact Index Per Article: 97.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Ionic liquids (ILs) are liquids consisting entirely of ions and can be further defined as molten salts having melting points lower than 100 °C. One of the most important research areas for IL utilization is undoubtedly their energy application, especially for energy storage and conversion materials and devices, because there is a continuously increasing demand for clean and sustainable energy. In this article, various application of ILs are reviewed by focusing on their use as electrolyte materials for Li/Na ion batteries, Li-sulfur batteries, Li-oxygen batteries, and nonhumidified fuel cells and as carbon precursors for electrode catalysts of fuel cells and electrode materials for batteries and supercapacitors. Due to their characteristic properties such as nonvolatility, high thermal stability, and high ionic conductivity, ILs appear to meet the rigorous demands/criteria of these various applications. However, for further development, specific applications for which these characteristic properties become unique (i.e., not easily achieved by other materials) must be explored. Thus, through strong demands for research and consideration of ILs unique properties, we will be able to identify indispensable applications for ILs.
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Affiliation(s)
- Masayoshi Watanabe
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Morgan L Thomas
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Shiguo Zhang
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Kazuhide Ueno
- Department of Applied Chemistry, Graduate School of Sciences and Technology for Innovation, Yamaguchi University , 2-16-1 Tokiwadai, Ube 755-8611, Japan
| | - Tomohiro Yasuda
- Institute of Catalysis, Hokkaido University , Kita 21. Nishi 10, Kita-ku, Sapporo 001-0021, Japan
| | - Kaoru Dokko
- Department of Chemistry and Biotechnology, Yokohama National University , 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan.,Unit of Elements Strategy Initiative for Catalysts & Batteries (ESICB), Kyoto University , Kyoto 615-8510, Japan
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34
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Saito M, Yamada S, Ishikawa T, Otsuka H, Ito K, Kubo Y. Factors influencing fast ion transport in glyme-based electrolytes for rechargeable lithium–air batteries. RSC Adv 2017. [DOI: 10.1039/c7ra07501d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
To elucidate the factors affecting Li-ion transport in glyme-based electrolytes, six kinds of 1.0 M tetraglyme (G4) electrolytes were prepared containing a Li salt (LiSO3CF3, LiN(SO2CF3)2, or LiN(SO2F)2) or different concentrations (0.5, 2.0, or 2.7 M) of LiN(SO2CF3)2.
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Affiliation(s)
- Morihiro Saito
- Department of Applied Chemistry
- Faculty of Engineering
- Tokyo University of Agriculture & Technology
- Koganei-shi
- Japan
| | - Shinya Yamada
- Department of Applied Chemistry
- Faculty of Engineering
- Tokyo University of Agriculture & Technology
- Koganei-shi
- Japan
| | - Taro Ishikawa
- Department of Applied Chemistry
- Faculty of Engineering
- Tokyo University of Agriculture & Technology
- Koganei-shi
- Japan
| | - Hiromi Otsuka
- GREEN
- National Institute for Materials Science (NIMS)
- Tsukuba 305-044
- Japan
| | - Kimihiko Ito
- GREEN
- National Institute for Materials Science (NIMS)
- Tsukuba 305-044
- Japan
| | - Yoshimi Kubo
- GREEN
- National Institute for Materials Science (NIMS)
- Tsukuba 305-044
- Japan
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35
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Schipper F, Aurbach D. A brief review: Past, present and future of lithium ion batteries. RUSS J ELECTROCHEM+ 2016. [DOI: 10.1134/s1023193516120120] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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36
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Yang H, Xia J, Bromberg L, Dimitrov N, Whittingham MS. Electrochemically synthesized nanoporous gold as a cathode material for Li-O2 batteries. J Solid State Electrochem 2016. [DOI: 10.1007/s10008-016-3374-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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37
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Liang Z, Lu YC. Critical Role of Redox Mediator in Suppressing Charging Instabilities of Lithium–Oxygen Batteries. J Am Chem Soc 2016; 138:7574-83. [DOI: 10.1021/jacs.6b01821] [Citation(s) in RCA: 221] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zhuojian Liang
- Electrochemical Energy and
Interfaces Laboratory, Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong SAR 999077, China
| | - Yi-Chun Lu
- Electrochemical Energy and
Interfaces Laboratory, Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong SAR 999077, China
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38
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Luo K, Roberts MR, Hao R, Guerrini N, Pickup DM, Liu YS, Edström K, Guo J, Chadwick AV, Duda LC, Bruce PG. Charge-compensation in 3d-transition-metal-oxide intercalation cathodes through the generation of localized electron holes on oxygen. Nat Chem 2016; 8:684-91. [DOI: 10.1038/nchem.2471] [Citation(s) in RCA: 716] [Impact Index Per Article: 89.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 02/07/2016] [Indexed: 12/22/2022]
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39
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Kwabi DG, Bryantsev VS, Batcho TP, Itkis DM, Thompson CV, Shao‐Horn Y. Experimental and Computational Analysis of the Solvent‐Dependent O
2
/Li
+
‐O
2
−
Redox Couple: Standard Potentials, Coupling Strength, and Implications for Lithium–Oxygen Batteries. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201509143] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- David G. Kwabi
- Department of Mechanical Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Vyacheslav S. Bryantsev
- Liox Power Inc 129 North Hill Ave, Suite 103 Pasadena CA 911106 USA
- Oak Ridge National Lab Chemical Sciences Division 1 Bethel Valley Rd Oak Ridge TN 37831-6119 USA
| | - Thomas P. Batcho
- Department of Materials Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Daniil M. Itkis
- Department of Chemistry and Materials Science Moscow State University Moscow 119992 Russia
| | - Carl V. Thompson
- Department of Materials Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Yang Shao‐Horn
- Department of Mechanical Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
- Department of Materials Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
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40
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Kwabi DG, Bryantsev VS, Batcho TP, Itkis DM, Thompson CV, Shao‐Horn Y. Experimental and Computational Analysis of the Solvent‐Dependent O
2
/Li
+
‐O
2
−
Redox Couple: Standard Potentials, Coupling Strength, and Implications for Lithium–Oxygen Batteries. Angew Chem Int Ed Engl 2016; 55:3129-34. [DOI: 10.1002/anie.201509143] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 11/12/2015] [Indexed: 11/07/2022]
Affiliation(s)
- David G. Kwabi
- Department of Mechanical Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Vyacheslav S. Bryantsev
- Liox Power Inc 129 North Hill Ave, Suite 103 Pasadena CA 911106 USA
- Oak Ridge National Lab Chemical Sciences Division 1 Bethel Valley Rd Oak Ridge TN 37831-6119 USA
| | - Thomas P. Batcho
- Department of Materials Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Daniil M. Itkis
- Department of Chemistry and Materials Science Moscow State University Moscow 119992 Russia
| | - Carl V. Thompson
- Department of Materials Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Yang Shao‐Horn
- Department of Mechanical Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
- Department of Materials Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
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41
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Gauthier M, Carney TJ, Grimaud A, Giordano L, Pour N, Chang HH, Fenning DP, Lux SF, Paschos O, Bauer C, Maglia F, Lupart S, Lamp P, Shao-Horn Y. Electrode-electrolyte interface in Li-ion batteries: current understanding and new insights. J Phys Chem Lett 2015; 6:4653-72. [PMID: 26510477 DOI: 10.1021/acs.jpclett.5b01727] [Citation(s) in RCA: 306] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Understanding reactions at the electrode/electrolyte interface (EEI) is essential to developing strategies to enhance cycle life and safety of lithium batteries. Despite research in the past four decades, there is still limited understanding by what means different components are formed at the EEI and how they influence EEI layer properties. We review findings used to establish the well-known mosaic structure model for the EEI (often referred to as solid electrolyte interphase or SEI) on negative electrodes including lithium, graphite, tin, and silicon. Much less understanding exists for EEI layers for positive electrodes. High-capacity Li-rich layered oxides yLi2-xMnO3·(1-y)Li1-xMO2, which can generate highly reactive species toward the electrolyte via oxygen anion redox, highlight the critical need to understand reactions with the electrolyte and EEI layers for advanced positive electrodes. Recent advances in in situ characterization of well-defined electrode surfaces can provide mechanistic insights and strategies to tailor EEI layer composition and properties.
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Affiliation(s)
| | | | | | - Livia Giordano
- Dipartimento di Scienza dei Materiali, Università di Milano-Bicocca , Via Roberto Cozzi 55, 20125 Milan, Italy
| | | | | | | | - Simon F Lux
- BMW Group Technology Office USA , 2606 Bayshore Parkway, Mountain View, California 94043, United States
| | | | | | | | | | - Peter Lamp
- BMW Group , Petuelring 130, 80788 München, Germany
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42
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Gittleson FS, Yao KPC, Kwabi DG, Sayed SY, Ryu WH, Shao-Horn Y, Taylor AD. Raman Spectroscopy in Lithium-Oxygen Battery Systems. ChemElectroChem 2015. [DOI: 10.1002/celc.201500218] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Forrest S. Gittleson
- Department of Chemical and Environmental Engineering; Yale University, 9; Hillhouse Ave. New Haven CT 06511 USA
| | - Koffi P. C. Yao
- Department of Mechanical Engineering; Massachusetts Institute of Technology, 77; Massachusetts Ave. Cambridge MA 02139 USA
| | - David G. Kwabi
- Department of Mechanical Engineering; Massachusetts Institute of Technology, 77; Massachusetts Ave. Cambridge MA 02139 USA
| | - Sayed Youssef Sayed
- The Research Laboratory of Electronics; Massachusetts Institute of Technology, 77; Massachusetts Ave. Cambridge MA 02139 USA
- Department of Chemistry; Faculty of Science; Cairo University; Giza 12613 Egypt
| | - Won-Hee Ryu
- Department of Chemical and Environmental Engineering; Yale University, 9; Hillhouse Ave. New Haven CT 06511 USA
| | - Yang Shao-Horn
- Department of Mechanical Engineering; Massachusetts Institute of Technology, 77; Massachusetts Ave. Cambridge MA 02139 USA
| | - André D. Taylor
- Department of Chemical and Environmental Engineering; Yale University, 9; Hillhouse Ave. New Haven CT 06511 USA
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43
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Improvement of the stability of TiSnSb anode under lithiation using SEI forming additives and room temperature ionic liquid/DMC mixed electrolyte. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.04.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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44
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An in situ STM investigation of EMITFSI ionic liquid on Au(111) in the presence of lithium salt. Sci Bull (Beijing) 2015. [DOI: 10.1007/s11434-015-0746-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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45
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Adelhelm P, Hartmann P, Bender CL, Busche M, Eufinger C, Janek J. From lithium to sodium: cell chemistry of room temperature sodium-air and sodium-sulfur batteries. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2015; 6:1016-55. [PMID: 25977873 PMCID: PMC4419580 DOI: 10.3762/bjnano.6.105] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Accepted: 03/05/2015] [Indexed: 05/11/2023]
Abstract
Research devoted to room temperature lithium-sulfur (Li/S8) and lithium-oxygen (Li/O2) batteries has significantly increased over the past ten years. The race to develop such cell systems is mainly motivated by the very high theoretical energy density and the abundance of sulfur and oxygen. The cell chemistry, however, is complex, and progress toward practical device development remains hampered by some fundamental key issues, which are currently being tackled by numerous approaches. Quite surprisingly, not much is known about the analogous sodium-based battery systems, although the already commercialized, high-temperature Na/S8 and Na/NiCl2 batteries suggest that a rechargeable battery based on sodium is feasible on a large scale. Moreover, the natural abundance of sodium is an attractive benefit for the development of batteries based on low cost components. This review provides a summary of the state-of-the-art knowledge on lithium-sulfur and lithium-oxygen batteries and a direct comparison with the analogous sodium systems. The general properties, major benefits and challenges, recent strategies for performance improvements and general guidelines for further development are summarized and critically discussed. In general, the substitution of lithium for sodium has a strong impact on the overall properties of the cell reaction and differences in ion transport, phase stability, electrode potential, energy density, etc. can be thus expected. Whether these differences will benefit a more reversible cell chemistry is still an open question, but some of the first reports on room temperature Na/S8 and Na/O2 cells already show some exciting differences as compared to the established Li/S8 and Li/O2 systems.
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Affiliation(s)
- Philipp Adelhelm
- Institute for Technical Chemistry and Environmental Chemistry, Center for Energy and Environmental Chemistry, Friedrich-Schiller-University Jena, Lessingstraße 12, 07743 Jena, Germany
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - Pascal Hartmann
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
- BASF SE, 67056 Ludwigshafen, Germany
| | - Conrad L Bender
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - Martin Busche
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - Christine Eufinger
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - Juergen Janek
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
- Battery and Electrochemistry Laboratory, Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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46
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Khetan A, Luntz A, Viswanathan V. Trade-Offs in Capacity and Rechargeability in Nonaqueous Li-O2 Batteries: Solution-Driven Growth versus Nucleophilic Stability. J Phys Chem Lett 2015; 6:1254-1259. [PMID: 26262983 DOI: 10.1021/acs.jpclett.5b00324] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The development of high-capacity rechargeable Li-O2 batteries requires the identification of stable solvents that can promote a solution-based discharge mechanism, which has been shown to result in higher discharge capacities. Solution-driven discharge product growth requires dissolution of the adsorbed intermediate LiO2*, thus generating solvated Li+ and O2(-) ions. Such a mechanism is possible in solvents with high Gutmann donor or acceptor numbers. However, O2(-) is a strong nucleophile and is known to attack solvents via proton/hydrogen abstraction or substitution. This kind of a parasitic process is extremely detrimental to the battery's rechargeability. In this work, we develop a thermodynamic model to describe these two effects and demonstrate an anticorrelation between solvents’ stability and their ability to enhance capacity via solution-mediated discharge product growth. We analyze the commonly used solvents in the same framework and describe why solvents that can promote higher discharge capacity are also prone to degradation. Solvating additives for practical Li-O2 batteries will have to be outliers to this observed anticorrelation.
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Affiliation(s)
- Abhishek Khetan
- †Institute for Combustion Technology, RWTH, Templergraben 64, Aachen 52056, Germany
- §Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Alan Luntz
- ‡SUNCAT, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7015, United States
| | - Venkatasubramanian Viswanathan
- §Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
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Tripachev OV, Maleeva EA, Tarasevich MR. Oxygen electroreduction in propylene carbonate solutions. RUSS J ELECTROCHEM+ 2015. [DOI: 10.1134/s1023193515020147] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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48
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Sharon D, Hirshberg D, Afri M, Garsuch A, Frimer AA, Aurbach D. LithiumOxygen Electrochemistry in Non-Aqueous Solutions. Isr J Chem 2015. [DOI: 10.1002/ijch.201400135] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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49
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Xu C, Margulis CJ. Solvation of an Excess Electron in Pyrrolidinium Dicyanamide Based Ionic Liquids. J Phys Chem B 2015; 119:532-42. [DOI: 10.1021/jp5108922] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Changhui Xu
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
| | - Claudio J. Margulis
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
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Bhatt MD, O'Dwyer C. Recent progress in theoretical and computational investigations of Li-ion battery materials and electrolytes. Phys Chem Chem Phys 2015; 17:4799-844. [DOI: 10.1039/c4cp05552g] [Citation(s) in RCA: 207] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Advancements and progress in computational and theoretical investigations of Li-ion battery materials and electrolytes are reviewed and assessed.
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Affiliation(s)
- Mahesh Datt Bhatt
- Department of Chemistry
- University College Cork
- Cork
- Ireland
- Tyndall National Institute
| | - Colm O'Dwyer
- Department of Chemistry
- University College Cork
- Cork
- Ireland
- Tyndall National Institute
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