Designed nanoarchitectonics and fabrication of Ni(OH)2/MWCNT/CNF electrode for asymmetric hybrid supercapacitor applications
- Authors
- Asaithambi, Sankaiya; Rajkumar, Palanisamy; Rasappan, Akshaya Subhramaniyan; Ravi, Ganesan; Velauthapillai, Dhayalan; Yoo, Kisoo; Kim, Jinho
- Issue Date
- Nov-2023
- Publisher
- ELSEVIER
- Keywords
- Ni(OH)2; Carbons; Supercapacitor; Asymmetric device
- Citation
- JOURNAL OF ENERGY STORAGE, v.72
- Journal Title
- JOURNAL OF ENERGY STORAGE
- Volume
- 72
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/91827
- DOI
- 10.1016/j.est.2023.108532
- ISSN
- 2352-152X
2352-1538
- Abstract
- The creation of ternary composite materials with innovative structures is crucial for enhancing the energy density and stability of supercapacitor devices. In this study, Ni(OH)2-based ternary composites were successfully synthesized using a straightforward hydrothermal method. Comprehensive analyses of structure, morphology, surface area, and binding energy were conducted using powder X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron microscopy. The electrochemical performance of the Ni(OH)2/MWCNT/CNF electrode displayed a higher specific capacitance of 882 F g-1 and lower resistance compared to pure Ni(OH)2 electrodes. An asymmetric supercapacitor device, assembled with the chosen Ni (OH)2/MWCNT/CNF and activated carbon (AC), exhibited energy and power densities of 47.5 Wh kg- 1 and 750 W kg 1, along with 83.42 % capacitance retention after 5000 charge-discharge cycles. These outstanding results confirm the potential of this material as an exceptional electrode for future supercapacitor applications.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - ETC > 1. Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.