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Issue 12, 2012
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High pseudocapacitive cobalt carbonate hydroxide films derived from CoAl layered double hydroxides

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Abstract

A thin nanosheet of mesoporous cobalt carbonate hydroxide (MPCCH) has been fabricated from a CoAl-LDH nanosheet following removal of the Al cations by alkali etching. The basic etched electrode exhibits enhanced specific capacitance (1075 F g−1 at 5 mA cm−2) and higher rate capability and cycling stability (92% maintained after 2000 cycles).

Graphical abstract: High pseudocapacitive cobalt carbonate hydroxide films derived from CoAl layered double hydroxides

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Supplementary files

Article information


Submitted
14 Mar 2012
Accepted
18 Apr 2012
First published
20 Apr 2012

Nanoscale, 2012,4, 3640-3643
Article type
Communication

High pseudocapacitive cobalt carbonate hydroxide films derived from CoAl layered double hydroxides

Z. Lu, W. Zhu, X. Lei, G. R. Williams, D. O'Hare, Z. Chang, X. Sun and X. Duan, Nanoscale, 2012, 4, 3640
DOI: 10.1039/C2NR30617D

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