期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 41, 页码 20658-20663出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta04663g
关键词
-
资金
- National Natural Science Foundation of China [21373189]
A novel method was explored to synthesize Co(OH)(2) using a Co-based metal-organic framework (MOF) as a template via a solid-solid conversion process in alkali solution. The MOF-derived Co(OH)(2) was proved to have a loose and mesoporous structure, which can provide good electrolyte penetration, shorten the ion transfer distance, and increase the contact area of the MOF-derived Co(OH)(2) and electrolyte. As a result, the as-made Co(OH)(2) exhibits superior electrochemical properties with high specific capacitance (604.5 F g(-1) at a current density of 0.1 A g(-1)), excellent rate capability, and good cycling performance. The facile and eco-friendly nature of the strategy give it potential to be extended to other metal hydroxides with excellent electrochemical performances.
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