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Nasiri F, Fotouhi L, Shahrokhian S, Zirak M. Cobalt sulfide flower-like derived from metal organic frameworks on nickel foam as an electrode for fabrication of asymmetric supercapacitors. Sci Rep 2024; 14:6045. [PMID: 38472427 DOI: 10.1038/s41598-024-56689-9] [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: 11/10/2023] [Accepted: 03/09/2024] [Indexed: 03/14/2024] Open
Abstract
Metal-organic frameworks, as a kind of advanced nanoporous materials with metal centers and organic linkers, have been applied as promising electrode materials in energy storage devices. In this study, we are successfully prepared cobalt sulfide nanosheets (CoS) derived from the metal-organic framework on nickel foam (NF). The prepared electrodes are characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, energy-dispersive X-ray spectroscopy, Brunauer-Emmett-Teller and Barrett-Joyner-Halenda and electrochemical methods like voltammetry, galvanostatic charge-discharge curve and electrochemical impedance spectroscopy. The CoS/NF electrode demonstrates a high specific capacity of 377.5 mA h g-1 (1359 C g-1) at the current density of 2 A g-1, considerable rate performance and excellent durability (89.4% after 4000 cycles). A hybrid supercapacitor is assembled using CoS/NF as the positive electrode and activated carbon as the negative electrode, it shows a high energy density of 57.4 W h kg-1 at a power density of 405.2 W kg-1. The electrochemical results suggest that the CoS nanosheet arrays would possess excellent potential for applications in energy storage devices.
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Affiliation(s)
- Farzaneh Nasiri
- Department of Analytical Chemistry, Faculty of Chemistry, Alzahra University, Tehran, Iran
| | - Lida Fotouhi
- Department of Analytical Chemistry, Faculty of Chemistry, Alzahra University, Tehran, Iran.
- Analytical and Bioanalytical Research Centre (ABRC), Alzahra University, Tehran, Iran.
| | - Saeed Shahrokhian
- Department of Chemistry, Sharif University of Technology, 11155-9516, Tehran, Iran
| | - Mohammad Zirak
- Department of Physics, Hakim Sabzevari University, P. O. Box 961797647, Sabzevar, Iran
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Zhou Y, Yin L, Xiang S, Yu S, Johnson HM, Wang S, Yin J, Zhao J, Luo Y, Chu PK. Unleashing the Potential of MXene-Based Flexible Materials for High-Performance Energy Storage Devices. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304874. [PMID: 37939293 PMCID: PMC10797478 DOI: 10.1002/advs.202304874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/07/2023] [Indexed: 11/10/2023]
Abstract
Since the initial discovery of Ti3 C2 a decade ago, there has been a significant surge of interest in 2D MXenes and MXene-based composites. This can be attributed to the remarkable intrinsic properties exhibited by MXenes, including metallic conductivity, abundant functional groups, unique layered microstructure, and the ability to control interlayer spacing. These properties contribute to the exceptional electrical and mechanical performance of MXenes, rendering them highly suitable for implementation as candidate materials in flexible and wearable energy storage devices. Recently, a substantial number of novel research has been dedicated to exploring MXene-based flexible materials with diverse functionalities and specifically designed structures, aiming to enhance the efficiency of energy storage systems. In this review, a comprehensive overview of the synthesis and fabrication strategies employed in the development of these diverse MXene-based materials is provided. Furthermore, an in-depth analysis of the energy storage applications exhibited by these innovative flexible materials, encompassing supercapacitors, Li-ion batteries, Li-S batteries, and other potential avenues, is conducted. In addition to presenting the current state of the field, the challenges encountered in the implementation of MXene-based flexible materials are also highlighted and insights are provided into future research directions and prospects.
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Affiliation(s)
- Yunlei Zhou
- Hangzhou Institute of TechnologyXidian UniversityHangzhou311200China
- School of Mechano‐Electronic EngineeringXidian UniversityXi'an710071China
| | - Liting Yin
- Department of Aerospace and Mechanical EngineeringUniversity of Southern CaliforniaLos AngelesCA90089USA
| | - Shuangfei Xiang
- School of Materials Science and Engineering and Institute of Smart Fiber MaterialsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Sheng Yu
- Department of ChemistryWashington State UniversityPullmanWA99164USA
| | | | - Shaolei Wang
- Department of BioengineeringUniversity of CaliforniaLos AngelesLos AngelesCA90095USA
| | - Junyi Yin
- Department of BioengineeringUniversity of CaliforniaLos AngelesLos AngelesCA90095USA
| | - Jie Zhao
- Molecular Engineering of PolymersDepartment of Material ScienceFudan UniversityShanghai200438China
| | - Yang Luo
- Department of MaterialsETH ZurichZurich8093Switzerland
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongKowloonHong Kong999077China
| | - Paul K. Chu
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongKowloonHong Kong999077China
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Yuan J, Li Y, Lu G, Gao Z, Wei F, Qi J, Sui Y, Yan Q, Wang S. Controlled Synthesis of Flower-like Hierarchical NiCo-Layered Double Hydroxide Integrated with Metal-Organic Framework-Derived Co@C for Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37486015 DOI: 10.1021/acsami.3c05061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Layered double hydroxides (LDHs) have come to the foreground recently, considering their unique layered structure and short ion channels when they act as electrode materials for supercapacitors (SCs). However, due to their poor rate and cycle performance, they are not highly sought after in the market. Therefore, a flower-like hierarchical NiCo-LDH@C nanostructure with flake NiCo-LDH anchored on the carbon skeleton has emerged here, which is constructed by calcination and hydrothermal reaction and applying flake ZIF-67 as a precursor. In this structure, NiCo-LDH grows outward with abundant and homogeneously distributed Co nanoparticles on Co@C as nucleation sites, forming a hierarchical structure that is combined tightly with the carbon skeleton. The flower-like hierarchical nanostructures formed by the composite of metal-organic frameworks (MOFs) and LDHs have successfully enhanced the cycle and rate performance of LDH materials on the strength of strong structural stability, large specific surface area, and unique cooperative effect. The NiCo-LDH@C electrode displays superb electrochemical performance, with a specific capacitance of 2210.6 F g-1 at 1 A g-1 and 88.8% capacitance retention at 10 A g-1. Furthermore, the asymmetric supercapacitor (ASC) constructed with NiCo-LDH@C//RGO reveals a remarkable energy density of 45.02 W h kg-1 with a power density of 799.96 W kg-1. This project aims to propose a novel avenue to exploit NiCo-LDH electrode materials and provide theory and methodological guidance for deriving complex structures from MOF derivatives.
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Affiliation(s)
- Junzhuo Yuan
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Yingxin Li
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Guoge Lu
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Zhan Gao
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Fuxiang Wei
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
- The Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology & Equipments, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Jiqiu Qi
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
- The Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology & Equipments, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Yanwei Sui
- School of Materials and Physics, China University of Mining & Technology, Xuzhou 221116, P. R. China
- The Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology & Equipments, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Qingqing Yan
- Jiangsu Huaihai New Energy Co., Ltd, Xuzhou 221116, P. R. China
| | - Song Wang
- Jiangsu Huaihai New Energy Co., Ltd, Xuzhou 221116, P. R. China
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Ashoori A, Noori A, Rahmanifar MS, Morsali A, Hassani N, Neek-Amal M, Ghasempour H, Xia X, Zhang Y, El-Kady MF, Kaner RB, Mousavi MF. Tailoring Metal-Organic Frameworks and Derived Materials for High-Performance Zinc-Air and Alkaline Batteries. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37311056 DOI: 10.1021/acsami.3c04454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Developing multifunctional materials from earth-abundant elements is urgently needed to satisfy the demand for sustainable energy. Herein, we demonstrate a facile approach for the preparation of a metal-organic framework (MOF)-derived Fe2O3/C, composited with N-doped reduced graphene oxide (MO-rGO). MO-rGO exhibits excellent bifunctional electrocatalytic activities toward the oxygen evolution reaction (ηj=10 = 273 mV) and the oxygen reduction reaction (half-wave potential = 0.77 V vs reversible hydrogen electrode) with a low ΔEOER-ORR of 0.88 V in alkaline solutions. A Zn-air battery based on the MO-rGO cathode displays a high specific energy of over 903 W h kgZn-1 (∼290 mW h cm-2), an excellent power density of 148 mW cm-2, and an open-circuit voltage of 1.430 V, outperforming the benchmark Pt/C + RuO2 catalyst. We also hydrothermally synthesized a Ni-MOF that was partially transformed into a Ni-Co-layered double hydroxide (MOF-LDH). A MO-rGO||MOF-LDH alkaline battery exhibits a specific energy of 42.6 W h kgtotal mass-1 (106.5 μW h cm-2) and an outstanding specific power of 9.8 kW kgtotal mass-1 (24.5 mW cm-2). This work demonstrates the potential of MOFs and MOF-derived compounds for designing innovative multifunctional materials for catalysis, electrochemical energy storage, and beyond.
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Affiliation(s)
- Atefeh Ashoori
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran
| | - Abolhassan Noori
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran
| | | | - Ali Morsali
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran
| | - Nasim Hassani
- Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, Tehran, P.O. Box: 16875-163, Iran
| | - Mehdi Neek-Amal
- Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, Tehran, P.O. Box: 16875-163, Iran
- Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Hosein Ghasempour
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran
| | - Xinhui Xia
- College of Materials Science & Engineering, Zhejiang University of Technology, Hangzhou 310014, China
- State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, School of Materials Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yongqi Zhang
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu 611371, China
| | - Maher F El-Kady
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California 90095, United States
| | - Richard B Kaner
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California 90095, United States
- Department of Materials Science and Engineering, University of California, Los Angeles (UCLA), Los Angeles, California 90095, United States
| | - Mir F Mousavi
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran
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Nazari M, Noori A, Rahmanifar MS, El-Kady MF, Hassani N, Neek-Amal M, Kaner RB, Mousavi MF. Phase-Dependent Energy Storage Performance of the Ni xSe y Polymorphs for Supercapacitor-Battery Hybrid Devices. ACS APPLIED MATERIALS & INTERFACES 2022; 14:50900-50912. [PMID: 36318606 DOI: 10.1021/acsami.2c14412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Transition-metal chalcogenides have emerged as a promising class of materials for energy storage applications due to their earth abundance, high theoretical capacity, and high electrical conductivity. Herein, we introduce a facile and one-pot electrodeposition method to prepare high-performance nickel selenide NixSey (0.5 ≤ x/y ≤ 1.5) nanostructures (specific capacity = 180.3 mA h g-1 at 1 A g-1). The as-synthesized nickel selenide (NS) nanostructure is however converted to other polymorphs of nickel selenide including orthorhombic NiSe2, trigonal Ni3Se2, hexagonal NiSe, and orthorhombic Ni6Se5 over cycling. Interestingly, NiSe2 and Ni3Se2 polymorphs that display a more metallic character and superior energy storage performance are the predominant phases after a few hundred cycles. We fabricated a hybrid device using activated carbon (AC) as a supercapacitor-type negative electrode and NS as a high-rate battery-type positive electrode (AC||NS). This hybrid device provides a high specific energy of 71 W h kg-1, an excellent specific power of up to 31 400 W kg-1, and exceptional cycling stability (80% retention of the initial capacity after 20 000 cycles). The higher energy storage performance of the device is a result of the development of high-performance NiSe2 and Ni3Se2 polymorphs. Moreover, the reduction of the critical dimension of the NS particles to the nanoscale partially induces an extrinsic pseudocapacitive behavior that improves the rate capability and durability of the device. We also explored the origin of the superior energy storage performance of the NS polymorphs using density functional theory calculations in terms of the computed density of states around the Fermi level, electrical conductivity, and quantum capacitance that follows the trend NiSe2 > Ni3Se2 > NiSe > Ni6Se5. The present study thus provides an appealing approach for tailoring the phase composition of NS as an alternative to the commonly used templated synthesis methods.
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Affiliation(s)
- Mahrokh Nazari
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran P.O. Box 14115-175, Iran
| | - Abolhassan Noori
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran P.O. Box 14115-175, Iran
| | | | - Maher F El-Kady
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA)90095, California, United States
| | - Nasim Hassani
- Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, Tehran P.O. Box: 16875-163, Iran
| | - Mehdi Neek-Amal
- Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, Tehran P.O. Box: 16875-163, Iran
- Department of Physics, University of Antwerp, Groenenborgerlaan 171, AntwerpB-2020, Belgium
| | - Richard B Kaner
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA)90095, California, United States
- Department of Materials Science and Engineering, University of California, Los Angeles (UCLA)90095, California, United States
| | - Mir F Mousavi
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran P.O. Box 14115-175, Iran
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Zhao X, Li H, Zhang M, Pan W, Luo Z, Sun X. Hierarchical Nanocages Assembled by NiCo-Layered Double Hydroxide Nanosheets for a High-Performance Hybrid Supercapacitor. ACS APPLIED MATERIALS & INTERFACES 2022; 14:34781-34792. [PMID: 35867900 DOI: 10.1021/acsami.2c08903] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Layered double hydroxides (LDHs) have attracted broad attention as cathode materials for hybrid supercapacitors (HSCs) because of their ultrahigh theoretical specific capacitance, high compositional flexibility, and adjustable interlayer spacing. However, as reported, specific capacitance of LDHs is still far below the theoretical value, inspiring countless efforts to these ongoing challenges. Herein, a hierarchical nanocage structure assembled by NiCo-LDH nanosheet arrays was rationally designed and fabricated via a facile solvothermal method assisted by the ZIF-67 template. The transformation from the ZIF-67 template to this hollow structure is achieved by a synergistic effect involving the Kirkendall effect and the Ostwald ripening process. The enlarged specific surface area co-occurred with broadened interlayer spacing of LDH nanosheets by finely increasing the Ni concentration, leading to synchronous improvement of electron/ion transfer kinetics. The optimized NiCo-LDH-210 electrode displays a maximum specific capacitance of 2203.6 F g-1 at 2 A g-1, excellent rate capability, and satisfactory cycling stability because of the highly exposed active sites and shortened ion transport paths provided by vertically aligned LDH nanosheets together with the cavity. Furthermore, the assembled HSC device achieves a superior energy density of 57.3 Wh kg-1 with prominent cycling stability. Impressively, the design concept of complex construction derived from metal-organic frameworks (MOF) derivatives shows tremendous potential for use in energy storage systems.
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Affiliation(s)
- Xiang Zhao
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
| | - Hui Li
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
| | - Mu Zhang
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
- Foshan Graduate School of Northeastern University, Foshan 528311, PR China
| | - Wei Pan
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
| | - Zhengtang Luo
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, P.R. China
| | - Xudong Sun
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
- Foshan Graduate School of Northeastern University, Foshan 528311, PR China
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Shahbazi Farahani F, Rahmanifar MS, Noori A, El-Kady MF, Hassani N, Neek-Amal M, Kaner RB, Mousavi MF. Trilayer Metal-Organic Frameworks as Multifunctional Electrocatalysts for Energy Conversion and Storage Applications. J Am Chem Soc 2022; 144:3411-3428. [PMID: 35167746 DOI: 10.1021/jacs.1c10963] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The need for enhanced energy storage and improved catalysts has led researchers to explore advanced functional materials for sustainable energy production and storage. Herein, we demonstrate a reductive electrosynthesis approach to prepare a layer-by-layer (LbL) assembled trimetallic Fe-Co-Ni metal-organic framework (MOF) in which the metal cations within each layer or at the interface of the two layers are linked to one another by bridging 2-amino-1,4-benzenedicarboxylic acid linkers. Tailoring catalytically active sites in an LbL fashion affords a highly porous material that exhibits excellent trifunctional electrocatalytic activities toward the hydrogen evolution reaction (ηj=10 = 116 mV), oxygen evolution reaction (ηj=10 = 254 mV), as well as oxygen reduction reaction (half-wave potential = 0.75 V vs reference hydrogen electrode) in alkaline solutions. The dispersion-corrected density functional theory calculations suggest that the prominent catalytic activity of the LbL MOF toward the HER, OER, and ORR is due to the initial negative adsorption energy of water on the metal nodes and the elongated O-H bond length of the H2O molecule. The Fe-Co-Ni MOF-based Zn-air battery exhibits a remarkable energy storage performance and excellent cycling stability of over 700 cycles that outperform the commercial noble metal benchmarks. When assembled in an asymmetric device configuration, the activated carbon||Fe-Co-Ni MOF supercapacitor provides a superb specific energy and a power of up to 56.2 W h kg-1 and 42.2 kW kg-1, respectively. This work offers not only a novel approach to prepare an LbL assembled multimetallic MOF but also provides a benchmark for a multifunctional electrocatalyst for water splitting and Zn-air batteries.
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Affiliation(s)
- Fatemeh Shahbazi Farahani
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, P.O. Box 14115-175, Iran
| | | | - Abolhassan Noori
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, P.O. Box 14115-175, Iran
| | - Maher F El-Kady
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California 90095, United States
| | - Nasim Hassani
- Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, Tehran 16788-15811, P.O. Box: 16875-163, Iran
| | - Mehdi Neek-Amal
- Department of Physics, Shahid Rajaee Teacher Training University, Lavizan, Tehran 16788-15811, P.O. Box: 16875-163, Iran.,Department of Physics, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
| | - Richard B Kaner
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California 90095, United States.,Department of Materials Science and Engineering, University of California, Los Angeles (UCLA), Los Angeles, California 90095, United States
| | - Mir F Mousavi
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14117-13116, P.O. Box 14115-175, Iran
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Dianat N, Rahmanifar MS, Noori A, El-Kady MF, Chang X, Kaner RB, Mousavi MF. Polyaniline-Lignin Interpenetrating Network for Supercapacitive Energy Storage. NANO LETTERS 2021; 21:9485-9493. [PMID: 34738821 DOI: 10.1021/acs.nanolett.1c02843] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Because of increasing interest in environmentally benign supercapacitors, earth-abundant biopolymers have found their way into value-added applications. Herein, a promising nanocomposite based on an interpenetrating network of polyaniline and sulfonated lignin (lignosulfonate, LS) is presented. On the basis of an appropriate regulation of the nucleation kinetics and growth behavior via applying a series of rationally designed potential pulse patterns, a uniform PANI-LS film is achieved. On the basis of the fast rate of H+ insertion-deinsertion kinetics, rather than the slow SO42- doping-dedoping process, the PANI-LS nanocomposite delivers specific capacitance of 1200 F g-1 at 1 A g-1 surpassing the best conducting polymer-lignin supercapacitors known. A symmetric PANI-LS||PANI-LS device delivers a high specific energy of 21.2 W h kg-1, an outstanding specific power of 26.0 kW kg-1, along with superb flexibility and excellent cycling stability. Thus, combining charge storage attributes of polyaniline and lignosulfonate enables a waste-to-wealth approach to improve the supercapacitive performance of polyaniline.
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Affiliation(s)
- Neda Dianat
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14115-175, Iran
| | | | - Abolhassan Noori
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14115-175, Iran
| | - Maher F El-Kady
- Department of Chemistry and Biochemistry, and California NanoSystems Institute, University of California, Los Angeles, California 90095, United States
| | - Xueying Chang
- Department of Chemistry and Biochemistry, and California NanoSystems Institute, University of California, Los Angeles, California 90095, United States
| | - Richard B Kaner
- Department of Chemistry and Biochemistry, and California NanoSystems Institute, University of California, Los Angeles, California 90095, United States
| | - Mir F Mousavi
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran 14115-175, Iran
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Ghanem LG, Sayed DM, Ahmed N, Ramadan M, Allam NK. Binder-Free Electrospun Ni-Mn-O Nanofibers Embedded in Carbon Shells with Ultrahigh Energy and Power Densities for Highly Stable Next-Generation Energy Storage Devices. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5161-5171. [PMID: 33876646 DOI: 10.1021/acs.langmuir.1c00088] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We demonstrate the fabrication of binder-free electrospun nickel-manganese oxides embedded into carbon-shell fibrous electrodes. The morphological and structural properties of the assembled electrode materials were elucidated by high-resolution transmission electron microscopy (HR-TEM), field-emission scanning electron microscopy, and glancing-angle X-ray diffraction. The fibrous structure of the electrodes was retained even after annealing at high temperatures. The X-ray photoelectron spectroscopy and HR-TEM analyses revealed the formation of nickel and manganese oxides in multiple oxidation states (Ni2+, Ni3+, Mn2+, Mn3+, and Mn4+) embedded in the carbon shell. The embedded nickel-manganese oxides into the carbon matrix fibrous electrodes exhibit an excellent capacitance (1082 F/g) in 1 M K2SO4 at 1 A/g and possess a high rate capability of 73% at 5 A/g. The high rate capability and capacitance can be attributed to the presence of carbon cross-linked channels, the binder-free nature of the electrodes, and various oxidation states of the Ni-Mn oxides. The asymmetric supercapacitor device constructed of the as-fabricated nanofibers and the bio-derived microporous carbon as the positive and negative electrodes, respectively, sustains up to 1.9 V with a high specific capacitance at 1.5 A/g of 108 F/g. The nanofibrous//bio-derived device exhibits an outstanding specific energy of 54.2 W h/kg with a high specific power of 1425 W/kg. Interestingly, the tested device maintains a high capacitive retention of 92% upon cycling over 10,000 charging/discharging cycles.
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Affiliation(s)
- Loujain G Ghanem
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Doha M Sayed
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Nashaat Ahmed
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Mohamed Ramadan
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Nageh K Allam
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
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