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Lin, Xuehao, Li, Hui, Musharavati, Farayi, Zalnezhad, Erfan, Bae, Sungchul, Cho, Bum-Yean and Hui, Oscar K. S. 
ORCID: https://orcid.org/0000-0001-7089-7587
(2017)
Synthesis and characterization of cobalt hydroxide carbonate nanostructures.
RSC Advances, 7 (74).
pp. 46925-46931.
ISSN 2046-2069
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Abstract
Battery-type electrodes of three-dimensional (3D) hierarchical cobalt hydroxide carbonate arrays on Ni foam were fabricated using a hydrothermal method for use in supercapacitors. X-ray diffraction analysis, scanning electron microscopy, and transmission electron microscopy were used to characterize their structures and morphologies. The cobalt hydroxide carbonate synthesized with 10 h reaction time showed the highest specific capacitance (1381 F g−1 at a current density of 2 A g−1) and excellent cycling stability (92% capacitance retention after 5000 cycles). Moreover, its capacitance increased by 33% at 2 A g−1 and by 10% at 20 A g−1 after 5000 charge–discharge cycles. This cobalt hydroxide carbonate composite is a promising candidate for electrochemical energy-related applications.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Engineering |
| UEA Research Groups: | Faculty of Science > Research Groups > Energy Materials Laboratory |
| Related URLs: | |
| Depositing User: | Pure Connector |
| Date Deposited: | 19 Oct 2017 05:07 |
| Last Modified: | 13 Apr 2023 13:53 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/65182 |
| DOI: | 10.1039/C7RA09050A |
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