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Controlled preparation of NiCo-LDH@CuCo2O4/Ti3C2 core−shell structure for high performance asymmetric supercapacitor.
- Source :
-
Materials Technology . Nov2022, Vol. 37 Issue 13, p2736-2742. 7p. - Publication Year :
- 2022
-
Abstract
- In this work, NiCo-LDH@CuCo2O4/Ti3C2 core–shell structured electrode materials are grown on Ni foam by hydrothermal routes. The as-prepared electrode exhibited an ultra-high gravimetric capacitance of 3480 mF cm−2 with good reversibility. The excellent performances can be attributed to the unique heterogenous structure. An asymmetric hybrid supercapacitor is assembled by using NiCo-LDH@CuCo2O4/Ti3C2 as the positive electrode and activated carbon as the negative electrode. The ASC presents high energy density (0.72 mW h cm−3 at a power density of 57.6 mW cm−3) and a capacity retention of 99.5% after 6000 cycles. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10667857
- Volume :
- 37
- Issue :
- 13
- Database :
- Academic Search Index
- Journal :
- Materials Technology
- Publication Type :
- Academic Journal
- Accession number :
- 160003749
- Full Text :
- https://doi.org/10.1080/10667857.2022.2072604