期刊
ELECTROCHIMICA ACTA
卷 116, 期 -, 页码 158-163出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2013.11.010
关键词
Electrodeposition; Cobalt oxides; Silica; Composite film; Oxygen evolution reaction
资金
- NSFC [21173187, 51371159]
- Qianjinag Talent Program of Zhejiang Province [2010R10046]
- NCET
- RFDP [2010010111008]
- Fundamental Research Funds for the Central Universities
Nanoporous Co3O4 (po-Co3O4) films have been prepared on stainless steel substrate by a novel two-step method. Firstly, a composite Co3O4-SiO2 film was fabricated via electrochemical co-deposition under a cathodic potential from the mixed sol-gel precursor. Then, the obtained composite film was underwent consecutive cycling voltammetries in a concentrated KOH solution to etch the SiO2 component, leading to the formation of po-Co3O4 films. The resultant film electrode exhibits satisfactory electrocatalytic property towards the oxygen evolution reaction (OER). (C) 2013 Elsevier Ltd. All rights reserved.
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