期刊
MATERIALS RESEARCH BULLETIN
卷 46, 期 6, 页码 835-839出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2011.02.028
关键词
Composites; Sol-gel chemistry; Electron microscopy; Electrochemical properties
资金
- Chinese Academy of Sciences
- National Natural Science Foundation of China [20901044, 20971077, 20802039, 20902052]
TiN/VN core-shell composites are prepared by a two-step strategy involving coating of commercial TiN nanoparticles with V2O5 center dot nH(2)O sols followed by ammonia reduction. The highest specific capacitance of 170 F g(-1) is obtained when scanned at 2 mV s(-1) and a promising rate capacity performance is maintained at higher voltage sweep rates. These results indicate that these composites with good electronic conductivity can deliver a favorable capacity performance. (C) 2011 Elsevier Ltd. All rights reserved.
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