期刊
MATERIALS
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/ma10010072
关键词
functionalized graphene; one-pot synthesis; CuO; lithium-ion battery; electrochemical performance
类别
资金
- Science & Technology Foundation of Shanghai [14JC1492600]
- National Natural Science Foundation of China [51373123]
- 1000 youth talent plan
The copper oxide ( CuO) nanowires/functionalized graphene ( f-graphene) compositematerial was successfully composed by a one-pot synthesis method. The f-graphene synthesized through the Birch reduction chemistry method was modified with functional group -(CH2)(5)COOH, and the CuO nanowires ( NWs) were well dispersed in the f-graphene sheets. When used as anode materials in lithium-ion batteries, the composite exhibited good cyclic stability and decent specific capacity of 677 mA.h.g(-1) after 50 cycles. CuO NWs can enhance the lithium-ion storage of the composites while the f-graphene effectively resists the volume expansion of the CuO NWs during the galvanostatic charge/discharge cyclic process, and provide a conductive paths for charge transportation. The good electrochemical performance of the synthesized CuO/f-graphene composite suggests great potential of the composite materials for lithium-ion batteries anodes.
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