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Three-dimensional porous silicon-MWNT heterostructure with superior lithium storage performance
Pengfei Gao1, Haiping Jia, Jun Yang
1Institute of Electrochemical and Energy Technology, Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
Physical Chemistry Chemical Physics : PCCP
|October 19, 2011
Abstract:
A novel three-dimensional porous Si-MWNT heterostructure was designed to meet the demand of high-capacity and long-life lithium storage. This material presented a stable capacity above 1000 mAh g(-1) for nearly 200 cycles, which benefited from its highly porous structure combined with robust MWNT connections that accommodated the host volume change and improved the electric conductivity.
