Issue 5, 2013
From the journal:

Physical Chemistry Chemical Physics

Sponge-like Ni(OH)2–NiF2 composite film with excellent electrochemical performance

Min Jin,a   Guoge Zhang,*ab   Fei Yu,a   Wenfang Li,a   Wei Lub  and  Haitao Huang*b  

* Corresponding authors

a School of Materials Science and Engineering, South China University of Technology, Guangzhou, P. R. China
E-mail: ggzhang@scut.edu.cn
Tel: +86 20 87113747

b Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
E-mail: aphhuang@polyu.edu.hk
Fax: +852 23337629
Tel: +852 27665694

Abstract

Sponge-like porous Ni(OH)2–NiF2 composite (PNC) film was successfully synthesized by the anodization of nickel in a NH4F and H3PO4 containing electrolyte. Thanks to the good conductivity and the highly porous architecture, PNC exhibited not only a high specific capacitance, but also a superior rate capability and a good cyclability (2090 F g−1 at 10 mV s−1, capacitance >1200 F g−1 at 100 A g−1 after 2000 cycles). Anodization of nickel is proven to be fast and facile and can be easily scaled up. The method described here is promising for the fabrication of supercapacitor electrodes with excellent performance.

Graphical abstract: Sponge-like Ni(OH)2–NiF2 composite film with excellent electrochemical performance

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Article information

DOI
https://doi.org/10.1039/C2CP43357E
Article type
Paper
Submitted
24 Sep 2012
Accepted
21 Nov 2012
First published
22 Nov 2012

Phys. Chem. Chem. Phys., 2013,15, 1601-1605

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Sponge-like Ni(OH)2–NiF2 composite film with excellent electrochemical performance

M. Jin, G. Zhang, F. Yu, W. Li, W. Lu and H. Huang, Phys. Chem. Chem. Phys., 2013, 15, 1601 DOI: 10.1039/C2CP43357E

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