Issue 12, 2012
From the journal:

Nanoscale

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

Zhiyi Lu,a   Wei Zhu,a   Xiaodong Lei,a   Gareth R. Williams,bc   Dermot O'Hare,b   Zheng Chang,a   Xiaoming Sun*a  and  Xue Duana  

* Corresponding authors

a State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
E-mail: sunxm@mail.buct.edu.cn
Fax: +86-10-64425385
Tel: +86-10-64448751

b Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, UK OX1 3TA

c School of Human Sciences, London Metropolitan University, Holloway Road, London, UK N7 8DB

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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Article information

DOI
https://doi.org/10.1039/C2NR30617D
Article type
Communication
Submitted
14 Mar 2012
Accepted
18 Apr 2012
First published
20 Apr 2012

Nanoscale, 2012,4, 3640-3643

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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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