1
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Pan Z, Ji X. Vertical growth of compact and large-area MoS 2 nanosheet arrays on Ti 3C 2T x for efficient bifunctional electrochemical energy storage and hydrogen evolution. J Colloid Interface Sci 2023; 650:995-1002. [PMID: 37459731 DOI: 10.1016/j.jcis.2023.07.074] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/05/2023] [Accepted: 07/12/2023] [Indexed: 08/17/2023]
Abstract
The developments in hydrogen evolution reaction (HER) and supercapacitor technologies for electrochemical energy storage and conversion have received considerable attention. Although MoS2 is electrochemically active for both HER and supercapacitors, limited active sites, slow ionic transport, and poor conductivity lead to its poor capacitance and electrocatalytic activity. Herein, hierarchical Ti3C2Tx/MoS2/Ti3C2Tx@CC (TMT@CC) composites were well-designed as electrodes for both HER and supercapacitors. Flexible TMT@CC electrodes with an area as large as ∼ 80 cm2 and optimal mass-loading of 17.9 mg cm-2 were achieved. The inner layer Ti3C2Tx in the composites provides ideal nucleation sites for the growth of MoS2 arrays, and the outermost Ti3C2Tx effectively anchors the vertically arrayed MoS2. The hierarchically vertical structure provides strong interfacial coupling and shortens ion diffusion paths, leading to high stability and fast ion/electron transport kinetics. Due to such a synergistic effect, the flexible binder-free TMT@CC electrodes exhibited high areal capacitance (5.06 F cm-2 at 5 mA cm-2) for supercapacitors and low overpotential (119 mV versus RHE at 10 mA cm-2) for HER catalyst. Furthermore, a high energy density of 0.125 mWh cm-2 at a power density of 1.5 mW cm-2 has been achieved from the TMT@CC-based symmetric supercapacitor. Our strategy can be expanded to other vertically arrayed hierarchical structures as electrode materials of efficient HER and supercapacitors.
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Affiliation(s)
- Zhihu Pan
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, PR China
| | - Xiaohong Ji
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, PR China.
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2
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Bailmare DB, Tripathi P, Deshmukh AD, Gupta BK. Designing of two dimensional lanthanum cobalt hydroxide engineered high performance supercapacitor for longer stability under redox active electrolyte. Sci Rep 2022; 12:3084. [PMID: 35197489 PMCID: PMC8866478 DOI: 10.1038/s41598-022-06839-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 02/01/2022] [Indexed: 11/09/2022] Open
Abstract
Redox active electrolyte supercapacitors differ significantly from the conventional electrolytes based storage devices but face a long term stability issue which requires a different approach while designing the systems. Here, we show the change in layered double hydroxides (LDHs) systems with rare earth elements (lanthanum) can drastically influence the stability of two dimensional LDH systems in redox electrolyte. We find that the choice of rare earth element (lanthanum) having magnetic properties and higher thermal and chemical stability has a profound effect on the stability of La-Co LDHs electrode in redox electrolyte. The fabricated hybrid device with rare earth based positive electrode and carbon as negative electrode having redox electrolyte leads to long stable high volumetric/gravimetric capacity at high discharge rate, demonstrates the importance of considering the rare earth elements while designing the LDH systems for redox active supercapacitor development.
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Affiliation(s)
- Deepa B Bailmare
- Energy Materials and Devices Laboratory, Department of Physics, RTM Nagpur University, Nagpur, 440033, India
| | - Prashant Tripathi
- Photonic Materials Metrology Subdivision, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi, 110012, India
| | - Abhay D Deshmukh
- Energy Materials and Devices Laboratory, Department of Physics, RTM Nagpur University, Nagpur, 440033, India.
| | - Bipin Kumar Gupta
- Photonic Materials Metrology Subdivision, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi, 110012, India.
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3
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Ojha GP, Pant B, Acharya J, Park M. An electrochemically reduced ultra-high mass loading three-dimensional carbon nanofiber network: a high energy density symmetric supercapacitor with a reproducible and stable cell voltage of 2.0 V. NANOSCALE 2021; 13:19537-19548. [PMID: 34806747 DOI: 10.1039/d1nr05943b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Commercial supercapacitors need a high mass loading of more than 10 mg cm-2 and a high working potential window to resolve the low energy density concern. Herein, we have demonstrated a thick, ultrahigh mass loading (35 mg cm-2) and wide cell voltage electrochemically reduced layer-by-layer three-dimensional carbon nanofiber network (LBL 3D-CNF) electrode via electrospinning, sodium borohydride treatment, carbonization, and electro-reduction techniques. During the electro-reduction technique, Na+ is adsorbed onto the various defect sites of LBL 3D-CNFs, which properly inhibits the formation of the intermediate HER (hydrogen evolution reaction) product, leading to a wide cell voltage, whereas the LBL 3D-CNF network evokes an opportunity for storing a greater number of charges, resulting in excellent electrochemical performances. A symmetric supercapacitor with a reproducible and stable cell voltage of 2.0 V is constructed and demonstrated. The as-constructed device can deliver an areal energy output of 1922 μW h cm-2 at a power density of 3979 W kg-1 equal to a gravimetric energy density of 27 W h kg-1, and an outstanding cyclic durability of 97.4% after 20 000 GCD cycles. These record-breaking performances would make our device one of the most promising candidates from an industrial point of view.
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Affiliation(s)
- Gunendra Prasad Ojha
- Carbon Composite Energy Nanomaterials Research Center, Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea.
- Woosuk Institute of Smart Convergence Life Care (WSCLC), Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea
| | - Bishweshwar Pant
- Carbon Composite Energy Nanomaterials Research Center, Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea.
- Woosuk Institute of Smart Convergence Life Care (WSCLC), Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea
| | - Jiwan Acharya
- Carbon Composite Energy Nanomaterials Research Center, Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea.
- Woosuk Institute of Smart Convergence Life Care (WSCLC), Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea
| | - Mira Park
- Carbon Composite Energy Nanomaterials Research Center, Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea.
- Woosuk Institute of Smart Convergence Life Care (WSCLC), Woosuk University, 443 Samnye-ro, Samnye-eup, Wanju-gun, Chonbuk, Jeollabuk-do 55338, Republic of Korea
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4
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Recent advances in the synthesis of non-carbon two-dimensional electrode materials for the aqueous electrolyte-based supercapacitors. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.04.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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5
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Zhan J, Li G, Gu Q, Wu H, Su L, Wang L. Porous Carbon Nanosheets Armoring 3D Current Collectors toward Ultrahigh Mass Loading for High-Energy-Density All-Solid-State Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52519-52529. [PMID: 34719234 DOI: 10.1021/acsami.1c12953] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The in situ growth of active materials on 3D current collectors (such as Ni foams) presents facile and efficient access to high-performance supercapacitors. However, the low surface area of current collectors limits the mass loading, microstructure, and capacitive performance of active materials thereon. Herein, we develop a novel surface modification with hierarchical N-rich carbon nanosheets on Ni foams via a simple sol-gel method. At the same time, its favorable effects on mass loading and utilization are demonstrated using NiCoMn-carbonate hydroxide (NCM) as a model active material. Specifically, the carbon modification greatly boosts the current collector's specific surface area and enables the growth of dense NCM nanoneedles with controllable mass loading ranging from 5.2 to 23.1 mg cm-2. Meanwhile, the correlation between mass loading and utilization is systematically studied, which shows the well-maintained energy storage efficiency due to the conducive surface modification. As a result, excellent performance with the ultrahigh area-specific capacity of 19.36 F cm-2 at 2 mA cm-2 in the three-electrode configuration and remarkable area-specific energy density of 1352 μW h cm-2 in the solid-state asymmetric device can be achieved, demonstrating a prospective pathway toward facile and effective current collector designs for high-energy/power-density supercapacitors.
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Affiliation(s)
- Jing Zhan
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Gaoran Li
- College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Qihang Gu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Hao Wu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Liwei Su
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Lianbang Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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6
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Maurya O, Khaladkar S, Horn MR, Sinha B, Deshmukh R, Wang H, Kim T, Dubal DP, Kalekar A. Emergence of Ni-Based Chalcogenides (S and Se) for Clean Energy Conversion and Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100361. [PMID: 34019738 DOI: 10.1002/smll.202100361] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/13/2021] [Indexed: 06/12/2023]
Abstract
Nickel chalcogenide (S and Se) based nanostructures intrigued scientists for some time as materials for energy conversion and storage systems. Interest in these materials is due to their good electrochemical stability, eco-friendly nature, and low cost. The present review compiles recent progress in the area of nickel-(S and Se)-based materials by providing a comprehensive summary of their structural and chemical features and performance. Improving properties of the materials, such as electrical conductivity and surface characteristics (surface area and morphology), through strategies like nano-structuring and hybridization, are systematically discussed. The interaction of the materials with electrolytes, other electro-active materials, and inactive components are analyzed to understand their effects on the performance of energy conversion and storage devices. Finally, outstanding challenges and possible solutions are briefly presented with some perspectives toward the future development of these materials for energy-oriented devices with high performance.
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Affiliation(s)
- Oshnik Maurya
- Department of Physics, Institute of Chemical Technology (ICT), Matunga, Mumbai, Maharashtra, 400019, India
| | - Somnath Khaladkar
- Department of Physics, Institute of Chemical Technology (ICT), Matunga, Mumbai, Maharashtra, 400019, India
| | - Michael R Horn
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Bhavesh Sinha
- National Centre for Nanoscience and Nanotechnology, University of Mumbai (NCNNUM), Mumbai, 400098, India
| | - Rajendra Deshmukh
- Department of Physics, Institute of Chemical Technology (ICT), Matunga, Mumbai, Maharashtra, 400019, India
| | - Hongxia Wang
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - TaeYoung Kim
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea
| | - Deepak P Dubal
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Archana Kalekar
- Department of Physics, Institute of Chemical Technology (ICT), Matunga, Mumbai, Maharashtra, 400019, India
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7
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Jin J, Ding J, Wang X, Hong C, Wu H, Sun M, Cao X, Lu C, Liu A. High mass loading flower-like MnO 2 on NiCo 2O 4 deposited graphene/nickel foam as high-performance electrodes for asymmetric supercapacitors. RSC Adv 2021; 11:16161-16172. [PMID: 35479179 PMCID: PMC9030704 DOI: 10.1039/d0ra10948g] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 04/20/2021] [Indexed: 01/14/2023] Open
Abstract
The implementation of high mass loading MnO2 on electrochemical electrodes of supercapacitors is currently challenging due to the poor electrical conductivity and elongated electron/ion transport distance. In this paper, a NiCo2O4/MnO2 heterostructure was built on the surface of three-dimensional graphene/nickel foam (GNF) by a hydrothermal method. The petal structured NiCo2O4 loaded on graphene played a wonderful role as a supporting framework, which provided more space for the growth of high mass loading MnO2 microflowers, thereby increasing the utilization rate of the active material MnO2. The GNF@NiCo2O4/MnO2 composite was used as a positive electrode and achieved a high areal capacitance of 1630.5 mF cm-2 at 2 mA cm-2 in the neutral Na2SO4 solution. The asymmetric supercapacitor assembled with the GNF@NiCo2O4/MnO2 positive electrode and activated carbon negative electrode possessed a wide voltage window (2.1 V) and splendid energy density (45.9 Wh kg-1), which was attributed to the satisfactory electroactive area, low resistance, quick mass diffusion and ion transport caused by high mass loading MnO2.
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Affiliation(s)
- Jing Jin
- College of Mechanical Engineering, Zhejiang University of Technology Hangzhou 310023 China .,Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology Hangzhou 310023 China
| | - Jie Ding
- College of Mechanical Engineering, Zhejiang University of Technology Hangzhou 310023 China .,Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology Hangzhou 310023 China
| | - Xing Wang
- Center for Optoelectronics Materials and Devices, Key Laboratory of Optical Field Manipulation of Zhejiang Province, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Congcong Hong
- Center for Optoelectronics Materials and Devices, Key Laboratory of Optical Field Manipulation of Zhejiang Province, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Huaping Wu
- College of Mechanical Engineering, Zhejiang University of Technology Hangzhou 310023 China .,Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology Hangzhou 310023 China
| | - Min Sun
- College of Mechanical Engineering, Zhejiang University of Technology Hangzhou 310023 China .,Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology Hangzhou 310023 China
| | - Xiehong Cao
- College of Materials Science and Engineering, Zhejiang University of Technology Hangzhou 310018 China
| | - Congda Lu
- College of Mechanical Engineering, Zhejiang University of Technology Hangzhou 310023 China .,Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology Hangzhou 310023 China
| | - Aiping Liu
- Center for Optoelectronics Materials and Devices, Key Laboratory of Optical Field Manipulation of Zhejiang Province, Zhejiang Sci-Tech University Hangzhou 310018 China
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8
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Isacfranklin M, Yuvakkumar R, Ravi G, Saravanakumar B, Pannipara M, Al-Sehemi AG, Velauthapillai D. Quaternary Cu 2FeSnS 4/PVP/rGO Composite for Supercapacitor Applications. ACS OMEGA 2021; 6:9471-9481. [PMID: 33869927 PMCID: PMC8047650 DOI: 10.1021/acsomega.0c06167] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
Electrochemical energy storage is a current research area to address energy challenges of the modern world. The Cu2FeSnS4/PVP/rGO-decorated nanocomposite using PVP as the surface ligand was explored in a simple one-step solvothermal route, for studying their electrochemical behavior by designing asymmetric hybrid supercapacitor devices. The full cell three-electrode arrangements delivered 748 C/g (62.36 mA h/g) at 5 mV/s employing CV and 328 F/g (45.55 mA h/g) at 0.5 A/g employing GCD for the Cu2FeSnS4/PVP/rGO electrode. The half-cell two-electrode device can endow with 73 W h/kg and 749 W/kg at 1 A/g energy and power density. Furthermore, two Cu2FeSnS4/PVP/rGO//AC asymmetric devices connected in series for illuminating a commercial red LED more than 1 min were explored. This work focuses the potential use of transition-metal chalcogenide composite and introduces a new material for designing high-performance supercapacitor applications.
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Affiliation(s)
| | - Rathinam Yuvakkumar
- Department
of Physics, Alagappa University, Karaikudi 630 003, Tamil Nadu, India
| | - Ganesan Ravi
- Department
of Physics, Alagappa University, Karaikudi 630 003, Tamil Nadu, India
| | | | | | | | - Dhayalan Velauthapillai
- Faculty
of Engineering and Science, Western Norway
University of Applied Sciences, Bergen 5063, Norway
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9
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10
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Patil SJ, Chodankar NR, Huh YS, Han YK, Lee DW. Bottom-up Approach for Designing Cobalt Tungstate Nanospheres through Sulfur Amendment for High-Performance Hybrid Supercapacitors. CHEMSUSCHEM 2021; 14:1602-1611. [PMID: 33533140 DOI: 10.1002/cssc.202002968] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/29/2021] [Indexed: 06/12/2023]
Abstract
Nanofabrication of heteroatom-doped metal oxides into a well-defined architecture via a "bottom-up" approach is crucial to overcome the boundaries of the metal oxides for energy storage systems. In the present work, this issue was addressed by developing sulfur-doped bimetallic cobalt tungstate (CoWO4 ) porous nanospheres for efficient hybrid supercapacitors via a single-step, ascendable bottom-up approach. The combined experimental and kinetics studies revealed enhanced electrical conductivity, porosity, and openness for ion migration after amendments of the CoWO4 via sulfur doping. As a result, the sulfur-doped CoWO4 nanospheres exhibited a specific capacity of 248.5 mA h g-1 with outstanding rate capability and cycling stability. The assembled hybrid supercapacitor cell with sulfur-doped CoWO4 nanospheres and activated carbon electrodes could be driven reversibly in a voltage of 1.6 V and exhibited a specific capacitance of 177.25 F g-1 calculated at 1.33 A g-1 with a specific energy of 63.41 Wh kg-1 at 1000 W kg-1 specific power. In addition, the hybrid supercapacitor delivered 94.85 % initial capacitance over 10000 charge-discharge cycles. The excellent supercapacitive performance of sulfur-doped CoWO4 nanospheres may be credited to the sulfur doping and bottom-up fabrication of the electrode materials.
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Affiliation(s)
- Swati J Patil
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Nilesh R Chodankar
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Yun Suk Huh
- Department of Biological Engineering, Inha University, 100, Inha-ro, Incheon, 22212, Republic of Korea
| | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Dong Weon Lee
- MEMS and Nanotechnology Laboratory, School of Mechanical Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
- Center for Next-generation Sensor Research and Development, Chonnam National University, Gwangju, 61186, Republic of Korea
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11
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Banda H, Dou JH, Chen T, Libretto NJ, Chaudhary M, Bernard GM, Miller JT, Michaelis VK, Dincă M. High-Capacitance Pseudocapacitors from Li+ Ion Intercalation in Nonporous, Electrically Conductive 2D Coordination Polymers. J Am Chem Soc 2021; 143:2285-2292. [DOI: 10.1021/jacs.0c10849] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Harish Banda
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02138, United States
| | - Jin-Hu Dou
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02138, United States
| | - Tianyang Chen
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02138, United States
| | - Nicole J. Libretto
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Madhusudan Chaudhary
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Guy M. Bernard
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Jeffrey T. Miller
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | | | - Mircea Dincă
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02138, United States
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12
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Mevada C, Mukhopadhyay M. Limitations and Recent Advances in High Mass Loading Asymmetric Supercapacitors Based on Pseudocapacitive Materials. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c04811] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chirag Mevada
- Department of Chemical Engineering, S. V. National Institute of Technology, Surat, Gujarat 395007, India
| | - Mausumi Mukhopadhyay
- Department of Chemical Engineering, S. V. National Institute of Technology, Surat, Gujarat 395007, India
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13
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Chodankar NR, Pham HD, Nanjundan AK, Fernando JFS, Jayaramulu K, Golberg D, Han YK, Dubal DP. True Meaning of Pseudocapacitors and Their Performance Metrics: Asymmetric versus Hybrid Supercapacitors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002806. [PMID: 32761793 DOI: 10.1002/smll.202002806] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/12/2020] [Indexed: 05/13/2023]
Abstract
The development of pseudocapacitive materials for energy-oriented applications has stimulated considerable interest in recent years due to their high energy-storing capacity with high power outputs. Nevertheless, the utilization of nanosized active materials in batteries leads to fast redox kinetics due to the improved surface area and short diffusion pathways, which shifts their electrochemical signatures from battery-like to the pseudocapacitive-like behavior. As a result, it becomes challenging to distinguish "pseudocapacitive" and "battery" materials. Such misconceptions have further impacted on the final device configurations. This Review is an earnest effort to clarify the confusion between the battery and pseudocapacitive materials by providing their true meanings and correct performance metrics. A method to distinguish battery-type and pseudocapacitive materials using the electrochemical signatures and quantitative kinetics analysis is outlined. Taking solid-state supercapacitors (SSCs, only polymer gel electrolytes) as an example, the distinction between asymmetric and hybrid supercapacitors is discussed. The state-of-the-art progress in the engineering of active materials is summarized, which will guide for the development of real-pseudocapacitive energy storage systems.
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Affiliation(s)
- Nilesh R Chodankar
- Department of Energy & Materials Engineering, Dongguk University, Seoul, 100-715, Republic of Korea
| | - Hong Duc Pham
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
| | - Ashok Kumar Nanjundan
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
| | - Joseph F S Fernando
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
| | - Kolleboyina Jayaramulu
- Department of Chemistry, Indian Institute of Technology Jammu, Nagrota Bypass Road, Jammu, Jammu & Kashmir, 181221, India
| | - Dmitri Golberg
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
| | - Young-Kyu Han
- Department of Energy & Materials Engineering, Dongguk University, Seoul, 100-715, Republic of Korea
| | - Deepak P Dubal
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4001, Australia
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14
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Su H, Xiong T, Tan Q, Yang F, Appadurai PBS, Afuwape AA, Balogun MS(JT, Huang Y, Guo K. Asymmetric Pseudocapacitors Based on Interfacial Engineering of Vanadium Nitride Hybrids. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1141. [PMID: 32531987 PMCID: PMC7353334 DOI: 10.3390/nano10061141] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/22/2020] [Accepted: 06/06/2020] [Indexed: 01/11/2023]
Abstract
Vanadium nitride (VN) shows promising electrochemical properties as an energy storage devices electrode, specifically in supercapacitors. However, the pseudocapacitive charge storage in aqueous electrolytes shows mediocre performance. Herein, we judiciously demonstrate an impressive pseudocapacitor performance by hybridizing VN nanowires with pseudocapacitive 2D-layered MoS2 nanosheets. Arising from the interfacial engineering and pseudocapacitive synergistic effect between the VN and MoS2, the areal capacitance of VN/MoS2 hybrid reaches 3187.30 mF cm-2, which is sevenfold higher than the pristine VN (447.28 mF cm-2) at a current density of 2.0 mA cm-2. In addition, an asymmetric pseudocapacitor assembled based on VN/MoS2 anode and TiN coated with MnO2 (TiN/MnO2) cathode achieves a remarkable volumetric capacitance of 4.52 F cm-3 and energy density of 2.24 mWh cm-3 at a current density of 6.0 mA cm-2. This work opens a new opportunity for the development of high-performance electrodes in unfavorable electrolytes towards designing high areal-capacitance electrode materials for supercapacitors and beyond.
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Affiliation(s)
- Hailan Su
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
| | - Tuzhi Xiong
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
| | - Qirong Tan
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
| | - Fang Yang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
| | - Paul B. S. Appadurai
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
| | - Afeez A. Afuwape
- College of Computer Science and Electronic Engineering, Hunan University, Changsha 410082, China;
| | - M.-Sadeeq (Jie Tang) Balogun
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
| | - Yongchao Huang
- Institute of Environmental Research at Greater Bay, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China;
| | - Kunkun Guo
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (H.S.); (T.X.); (Q.T.); (F.Y.); (P.B.S.A.)
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Patil SJ, Pujari RB, Hou TF, Lee DW. Transition metal sulfide-laminated copper wire for flexible hybrid supercapacitor. NEW J CHEM 2020. [DOI: 10.1039/d0nj01955k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The CV profiles of transition metal sulphide electrodes on a Cu-wire (a), and (b) capacitive (light to dark: blue and red) and diffusion-controlled (dark: blue and red) contributions of the hybrid Cu@CoS/NiCo2S4 and Cu@ZnCo2S4 electrodes.
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Affiliation(s)
- Swati J. Patil
- MEMS and Nanotechnology Laboratory
- Graduate School of Mechanical Engineering
- Chonnam National University
- Gwangju 61186
- Republic of Korea
| | - R. B. Pujari
- MEMS and Nanotechnology Laboratory
- Graduate School of Mechanical Engineering
- Chonnam National University
- Gwangju 61186
- Republic of Korea
| | - Tian-Feng Hou
- MEMS and Nanotechnology Laboratory
- Graduate School of Mechanical Engineering
- Chonnam National University
- Gwangju 61186
- Republic of Korea
| | - Dong-Weon Lee
- MEMS and Nanotechnology Laboratory
- Graduate School of Mechanical Engineering
- Chonnam National University
- Gwangju 61186
- Republic of Korea
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