期刊
SCIENCE CHINA-CHEMISTRY
卷 63, 期 4, 页码 475-482出版社
SCIENCE PRESS
DOI: 10.1007/s11426-020-9700-8
关键词
phosphorus-rich; porous nanocubes; oxygen evolution; oxygen reduction; air cathode catalyst
资金
- National Natural Science Foundation of China [NSFC-21671170, 21673203, 21875207, 21201010]
- Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP)
- Program for New Century Excellent Talents of the University in China [NCET-13-0645]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [XSJCX17-015]
- Yangzhou University Graduate Student International Academic Exchange Special Fund Project
Porous metal phosphide cubes with exposed vertices and edges containing abundant catalytically active sites are promising electrocatalysts. Herein, by integrating the advantages of the phosphorus-rich cobalt phosphides and bimetallic oxides to form hybrid architectures, we prepared CoP3/CoSnO2 via phosphating CoSn(OH)(6) nanocubes, which has unique porous nanocubic structure. The optimized CoP3/CoSnO2 porous nanaocubes showed excellent electrocatalytic activity for OER/ORR. What's more, the electrochemical performances of CoP3/CoSnO2 porous nanaocubes as air cathode catalyst for zinc air batteries were better than that of commercial RuO2 and 20 wt% Pt/C with a mass ratio of 1:1 as the air cathode catalyst. This work offers a new strategy to fabricate metal phosphide with porous nanocubic structures.
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