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

被引：150

作者：

Lu, Zhiyi ^{[1
]}

Zhu, Wei ^{[1
]}

Lei, Xiaodong ^{[1
]}

Williams, Gareth R. ^{[2
,3
]}

O'Hare, Dermot ^{[2
]}

Chang, Zheng ^{[1
]}

Sun, Xiaoming ^{[1
]}

Duan, Xue ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

[2] Univ Oxford, Chem Res Lab, Dept Chem, Oxford OX1 3TA, England

[3] London Metropolitan Univ, Sch Human Sci, London N7 8DB, England

来源：

NANOSCALE | 2012年 / 4卷 / 12期

关键词：

CAPACITANCE; ELECTRODES;

D O I：

10.1039/c2nr30617d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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).

引用

页码：3640 / 3643

页数：4

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