期刊
ELECTROCHEMICAL AND SOLID STATE LETTERS
卷 12, 期 4, 页码 A76-A80出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3074312
关键词
carbon nanotubes; cathodes; percolation; secondary cells; silicon; nanofibres
资金
- CNRS
- University of Nantes
- Arkema
A design of thick composite electrode for lithium batteries, based on a hierarchical and resilient conductive network of bridged carbon nanotubes [multiwall carbon nanotubes (MWNTs)] and nanofibers [vapor-grown carbon nanofibers (VGCFs)], is presented. This thick silicon/MWNT/VGCF electrode shows a greatly improved cyclability. The combination of VGCF and MWNT easily adapts to large volume changes and favors electronic percolation from nano- to micrometer levels. The whole procedure is simple and could be extended to other anode and cathode materials.
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