期刊
MATERIALS LETTERS
卷 190, 期 -, 页码 20-23出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.12.094
关键词
Thin films; Porous materials; Nickel hydroxide; Magnetron sputtering; Supercapacitor; Capacitance performance
资金
- MOST of China [2012CB933402, 2016YFCO600605]
- Key Scientific Instrument and Equipment Development Projects [2014YQ090709]
- Key Foundation for Exploring Scientific Instrument [2011YQ14014910]
- Geological Survey project [12120113015300, 12120113015000]
- Ministry of Land and Resources Special Fund for Research in the Public Interest [201311115]
- NSFC [21103030]
A vertically porous Ni(OH)(2)/Ni film grown on carbon cloth was fabricated as the electrode of supercapacitors. Dense Ni film was first deposited on carbon cloth by magnetic sputtering, following by etching treatment and electrOchemical oxidation to form vertically porous Ni(OH)(2)/Ni/CC composite. The Ni (OH)(2)/Ni/CC composite had a specific capacitance of 1760 F g(-1) at 2 mV s(-1) and the capacitance retention of 88% after 3000 cycles at 20 A g(-1). The special structure of Ni(OH)2/Ni/CC composite may be the main reason for its high energy storage performance. (C) 2016 Elsevier B.V. All rights reserved.
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