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Materials 2017, 10(1), 72; doi:10.3390/ma10010072

Preparation of Advanced CuO Nanowires/Functionalized Graphene Composite Anode Material for Lithium Ion Batteries

School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
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Academic Editor: Yuhang Ren
Received: 15 November 2016 / Revised: 11 January 2017 / Accepted: 11 January 2017 / Published: 17 January 2017
(This article belongs to the Special Issue Microwave Absorbing and Energy Storage Materials)
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Abstract

The copper oxide (CuO) nanowires/functionalized graphene (f-graphene) composite material 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)5COOH”, 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. View Full-Text
Keywords: functionalized graphene; one-pot synthesis; CuO; lithium-ion battery; electrochemical performance functionalized graphene; one-pot synthesis; CuO; lithium-ion battery; electrochemical performance
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Zhang, J.; Wang, B.; Zhou, J.; Xia, R.; Chu, Y.; Huang, J. Preparation of Advanced CuO Nanowires/Functionalized Graphene Composite Anode Material for Lithium Ion Batteries. Materials 2017, 10, 72.

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