期刊
ACS NANO
卷 6, 期 11, 页码 9837-9845出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn303393p
关键词
batteries; composite materials; multifunctional materials; electrodes; silicon
类别
资金
- AFOSR [FA9550-09-1-0151]
- Robert Shackelford Fellowship
Materials that can perform simultaneous functions allow for reductions in the total system mass and volume. Developing technologies to produce flexible batteries with good performance lit combination with high specific strength is strongly desired for weight- and power-sensitive applications such as unmanned or aerospace vehicles, high-performance ground vehicles, robotics, and smart textiles. State of the art battery electrode fabrication techniques are not conducive to the development of multifunctional materials due to their inherently low strength and conductivities. Here, we present a scalable method utilizing carbon nanotube (CNT) nonwoven fabric-based technology to develop flexible, electrochemically stable (similar to 494 mAh.g(-1) for 150 cycles). battery anodes that can be produced on an industrial scale and demonstrate specific strength higher than that Of titanium copper, and even a structural steel. Similar methods can be utilized for the formation of various' cathode and anode composites with tunable strength and energy and power densities.
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