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Boosting electrochemical kinetics by loading CoB on vermiculite for supercapacitor application. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Kajana T, Pirashanthan A, Velauthapillai D, Yuvapragasam A, Yohi S, Ravirajan P, Senthilnanthanan M. Potential transition and post-transition metal sulfides as efficient electrodes for energy storage applications: review. RSC Adv 2022; 12:18041-18062. [PMID: 35800326 PMCID: PMC9208027 DOI: 10.1039/d2ra01574a] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/29/2022] [Indexed: 12/25/2022] Open
Abstract
Electrochemical energy storage has attracted much attention due to the common recognition of sustainable energy development. Transition metal sulfides and post-transition metal sulfides have been intensively been focused on due to their potential as electrode materials for energy storage applications in different types of capacitors such as supercapacitors and pseudocapacitors, which have high power density and long cycle life. Herein, the physicochemical properties of transition and post-transition metal sulfides, their typical synthesis, structural characterization, and electrochemical energy storage applications are reviewed. Various perspectives on the design and fabrication of transition and post-transition metal sulfides-based electrode materials having capacitive applications are discussed. This review further discusses various strategies to develop transition and/or post-transition metal sulfide heterostructured electrode-based self-powered photocapacitors with high energy storage efficiencies. Electrochemical energy storage has attracted much attention due to the common recognition of sustainable energy development.![]()
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Affiliation(s)
- Thirunavukarasu Kajana
- Clean Energy Research Laboratory, Department of Physics, University of Jaffna, Jaffna, Sri Lanka
- Department of Chemistry, University of Jaffna, Jaffna, Sri Lanka
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, Norway
| | - Arumugam Pirashanthan
- Clean Energy Research Laboratory, Department of Physics, University of Jaffna, Jaffna, Sri Lanka
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, Norway
| | - Dhayalan Velauthapillai
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, Norway
| | - Akila Yuvapragasam
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, Norway
| | | | - Punniamoorthy Ravirajan
- Clean Energy Research Laboratory, Department of Physics, University of Jaffna, Jaffna, Sri Lanka
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Yin JY, Kwon E, Thanh BX, Lisak G, Oh WD, Lin KYA. Cobalt sulfide nanosheets derived from sulfurization of Prussian blue analogue as an enhanced catalyst for activating monopersulfate to degrade caffeine. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.05.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Facilely Synthesized NiCo2O4/NiCo2O4 Nanofile Arrays Supported on Nickel Foam by a Hydrothermal Method and Their Excellent Performance for High-Rate Supercapacitance. ENERGIES 2019. [DOI: 10.3390/en12071308] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
NiCo2O4 nanoleaf arrays (NCO NLAs) and NiCo2O4/NiCO2O4 nanofile arrays (NCO/NCO NFAs) material was fabricated on flexible nickel foam (NF) using a facile hydrothermal approach. The electrochemical performance, including the specific capacitance, charge/discharge cycles, and lifecycle of the material after the hydrothermal treatment, was assessed. The morphological and structural behaviors of the NF@NCO NLAs and NF@NCO/NCO NFAs electrodes were analyzed using a range of analysis techniques. The as-obtained nanocomposite of the NF@NCO/NCO NFAs material delivered outstanding electrochemical performance, including an ultrahigh specific capacitance (Cs) of 2312 F g−1 at a current density of 2 mA cm−2, along with excellent cycling stability (98.7% capacitance retention after 5000 cycles at 5 mA cm−2). These values were higher than those of NF@NCO NLAs (Cs of 1950 F g−1 and 96.3% retention). The enhanced specific capacitance was attributed to the large electrochemical surface area, which allows for higher electrical conductivity and rapid transport between the electrons and ions as well as a much lower charge-transfer resistance and superior rate capability. These results clearly show that a combination of two types of binary metal oxides could be favorable for improving electrochemical performance and is expected to play a major role in the future development of nanofile-like composites (NF@NCO/NCO NFAs) for supercapacitor applications.
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Fabrication of Hierarchical NiMoO4/NiMoO4 Nanoflowers on Highly Conductive Flexible Nickel Foam Substrate as a Capacitive Electrode Material for Supercapacitors with Enhanced Electrochemical Performance. ENERGIES 2019. [DOI: 10.3390/en12061143] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Hierarchical NiMoO4/NiMoO4 nanoflowers were fabricated on highly conductive flexible nickel foam (NF) substrates using a facile hydrothermal method to achieve rapid charge-discharge ability, high energy density, long cycling lifespan, and higher flexibility for high-performance supercapacitor electrode materials. The synthesized composite electrode material, NF/NiMoO4/NiMoO4 with a nanoball-like NF/NiMoO4 structure on a NiMoO4 surface over a NF substrate, formed a three-dimensional interconnected porous network for high-performance electrodes. The novel NF/NiMoO4/NiMoO4 nanoflowers not only enhanced the large surface area and increased the electrochemical activity, but also provided an enhanced rapid ion diffusion path and reduced the charge transfer resistance of the entire electrode effectively. The NF/NiMoO4/NiMoO4 composite exhibited significantly improved supercapacitor performance in terms of a sustained cycling life, high specific capacitance, rapid charge-discharge capability, high energy density, and good rate capability. Electrochemical analysis of the NF/NiMoO4/NiMoO4 nanoflowers fabricated on the NF substrate revealed ultra-high electrochemical performance with a high specific capacitance of 2121 F g−1 at 12 mA g−1 in a 3 M KOH electrolyte and 98.7% capacitance retention after 3000 cycles at 14 mA g−1. This performance was superior to the NF/NiMoO4 nanoball electrode (1672 F g−1 at 12 mA g−1 and capacitance retention 93.4% cycles). Most importantly, the SC (NF/NiMoO4/NiMoO4) device displayed a maximum energy density of 47.13 W h kg−1, which was significantly higher than that of NF/NiMoO4 (37.1 W h kg−1). Overall, the NF/NiMoO4/NiMoO4 composite is a suitable material for supercapacitor applications.
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Yedluri AK, Kim HJ. Enhanced electrochemical performance of nanoplate nickel cobaltite (NiCo 2O 4) supercapacitor applications. RSC Adv 2019; 9:1115-1122. [PMID: 35517611 PMCID: PMC9059483 DOI: 10.1039/c8ra09081e] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 01/07/2020] [Accepted: 12/26/2018] [Indexed: 11/22/2022] Open
Abstract
Well-ordered, unique interconnected nanostructured binary metal oxides with lightweight, free-standing, and highly flexible nickel foam substrate electrodes have attracted tremendous research attention for high performance supercapacitor applications owing to the combination of the improved electrical conductivity and highly efficient electron and ion transport channels. In this study, a unique interconnected nanoplate-like nickel cobaltite (NiCo2O4) nanostructure was synthesized on highly conductive nickel foam and its use as a binder-free material in energy storage applications was assessed. The nanoplate-like NiCo2O4 nanostructure electrode was prepared by a simple chemical bath deposition method under optimized conditions. The NiCo2O4 electrode delivered an outstanding specific capacitance of 2791 F g-1 at a current density of 5 A g-1 in a KOH electrolyte in a three-electrode system as well as outstanding cycling stability with 99.1% retention after 3000 cycles at a current density of 7 A g-1. The as-synthesized NiCo2O4 electrode had a maximum energy density of 63.8 W h kg-1 and exhibited an outstanding high power density of approximately 654 W h kg-1. This paper reports a simple and cost-effective process for the synthesis of flexible high performance devices that may inspire new ideas for energy storage applications.
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Affiliation(s)
- Anil Kumar Yedluri
- School of Electrical Engineering, Pusan National University Busandaehak-ro 63beon-gil, Geumjeong-gu Busan 46241 Republic of Korea +82 51 513 0212 +82 10 3054 8401
| | - Hee-Je Kim
- School of Electrical Engineering, Pusan National University Busandaehak-ro 63beon-gil, Geumjeong-gu Busan 46241 Republic of Korea +82 51 513 0212 +82 10 3054 8401
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Kumar YA, Reddy AE, Bak JS, Cho IH, Kim HJ. Facile synthesis of NF/ZnOx and NF/CoOx nanostructures for high performance supercapacitor electrode materials. RSC Adv 2019; 9:21225-21232. [PMID: 35521331 PMCID: PMC9066169 DOI: 10.1039/c9ra01809c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Accepted: 05/24/2019] [Indexed: 11/21/2022] Open
Abstract
NF/ZnOx nanocone and NF/CoOx nanoparticle electrode materials were fabricated on a nickel foam surface using a simple chemical bath deposition approach and assessed as an electrode material for high-performance supercapacitors.
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Affiliation(s)
- Yedluri Anil Kumar
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
| | | | - Jin-Soo Bak
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
| | - In-Ho Cho
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
| | - Hee-Je Kim
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
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Kale SB, Lokhande AC, Pujari RB, Lokhande CD. Cobalt sulfide thin films for electrocatalytic oxygen evolution reaction and supercapacitor applications. J Colloid Interface Sci 2018; 532:491-499. [DOI: 10.1016/j.jcis.2018.08.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/31/2018] [Accepted: 08/05/2018] [Indexed: 01/08/2023]
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Effect of Time on a Hierarchical Corn Skeleton-Like Composite of CoO@ZnO as Capacitive Electrode Material for High Specific Performance Supercapacitors. ENERGIES 2018. [DOI: 10.3390/en11123285] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
CoO–ZnO-based composites have attracted considerable attention for the development of energy storage devices because of their multifunctional characterization and ease of integration with existing components. This paper reports the synthesis of CoO@ZnO (CZ) nanostructures on Ni foam by the chemical bath deposition (CBD) method for facile and eco-friendly supercapacitor applications. The formation of a CoO@ZnO electrode functioned with cobalt, zinc, nickel and oxygen groups was confirmed by X-ray diffraction (XRD) analysis, X-ray photoelectron spectroscopy (XPS), low and high-resolution scanning electron microscopy (SEM), and transmission electron microscopy (TEM) analysis. The as-synthesized hierarchical nanocorn skeleton-like structure of a CoO@ZnO-3h (CZ3h) electrode delivered a higher specific capacitance (Cs) of 1136 F/g at 3 A/g with outstanding cycling performance, showing 98.3% capacitance retention over 3000 cycles in an aqueous 2 M KOH electrolyte solution. This retention was significantly better than that of other prepared electrodes, such as CoO, ZnO, CoO@ZnO-1h (CZ1h), and CoO@ZnO-7h (CZ7h) (274 F/g, 383 F/g, 240 F/g and 537 F/g). This outstanding performance was attributed to the excellent surface morphology of CZ3h, which is responsible for the rapid electron/ion transfer between the electrolyte and the electrode surface area. The enhanced features of the CZ3h electrode highlight potential applications in high performance supercapacitors, solar cells, photocatalysis, and electrocatalysis.
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Yedluri AK, Kim HJ. Wearable super-high specific performance supercapacitors using a honeycomb with folded silk-like composite of NiCo2O4 nanoplates decorated with NiMoO4 honeycombs on nickel foam. Dalton Trans 2018; 47:15545-15554. [PMID: 30345451 DOI: 10.1039/c8dt03598a] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Schematic of the synthesis of the honeycomb with a folded silk-like NF@NiMoO4@NiCo2O4 nanostructure, honeycomb-like NF@NiMoO4 structure and nanoplate-like NF@NiCo2O4 structure on nickel foam (NF).
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Affiliation(s)
- Anil Kumar Yedluri
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
| | - Hee-Je Kim
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
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Anil Kumar Y, Kim HJ. Preparation and electrochemical performance of NiCo2O4@NiCo2O4 composite nanoplates for high performance supercapacitor applications. NEW J CHEM 2018. [DOI: 10.1039/c8nj05401k] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Currently, enormous attention is being paid to the difficult design and synthesis of hierarchical nanosheet structures for high-performance supercapacitors.
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Affiliation(s)
- Yedluri Anil Kumar
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
| | - Hee-Je Kim
- School of Electrical Engineering
- Pusan National University
- Busan
- Republic of Korea
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Jing X, Wang C, Feng W, Xing N, Jiang H, Lu X, Zhang Y, Meng C. Hierarchical VOOH hollow spheres for symmetrical and asymmetrical supercapacitor devices. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171768. [PMID: 29410870 PMCID: PMC5792947 DOI: 10.1098/rsos.171768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 01/04/2018] [Indexed: 06/08/2023]
Abstract
Hierarchical VOOH hollow spheres with low crystallinity composed of nanoparticles were prepared by a facile and template-free method, which involved a precipitation of precursor microspheres in aqueous solution at room temperature and subsequent hydrothermal reaction. Quasi-solid-state symmetric and asymmetric supercapacitor (SSC and ASC) devices were fabricated using hierarchical VOOH hollow spheres as the electrodes, and the electrochemical properties of the VOOH//VOOH SSC device and the VOOH//AC ASC device were studied by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS). Results demonstrated that the electrochemical performance of the VOOH//AC ASC device was better than that of the VOOH//VOOH SSC device. After 3000 cycles, the specific capacitance of the VOOH//AC ASC device retains 83% of the initial capacitance, while the VOOH//VOOH SSC device retains only 7.7%. Findings in this work proved that hierarchical VOOH hollow spheres could be a promising candidate as an ideal electrode material for supercapacitor devices.
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Affiliation(s)
- Xuyang Jing
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, People's Republic of China
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Cong Wang
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, People's Republic of China
| | - Wenjing Feng
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, People's Republic of China
| | - Na Xing
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, People's Republic of China
| | - Hanmei Jiang
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Xiangyu Lu
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, People's Republic of China
| | - Yifu Zhang
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Changgong Meng
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China
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