期刊
ELECTROCHIMICA ACTA
卷 209, 期 -, 页码 159-162出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.05.061
关键词
conductive polymer binder; silicon nanoparticle; graphite; lithium-ion battery; practical application
资金
- Assistant Secretary for Energy Efficiency, Vehicle Technologies Office of the U.S. Department of Energy (U.S. DOE) under the Advanced Battery Materials Research (BMR) Program
- Assistant Secretary for Energy Efficiency, Vehicle Technologies Office of the U.S. Department of Energy (U.S. DOE) under the Applied Battery Research (ABR) Program
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05 CH11231]
The state-of-the-art graphite anode containing a small portion of silicon represents a promising way of applying high-capacity alloy anode in the next generation high energy density lithium-ion batteries. The conductive polymeric binders developed for Si anodes proved to be an effective binder for this graphite/nanoSi composite electrode. Without any acetylene black conductive additives in the electrode, a high areal capacity of above 2.5 mAh/cm(2) is achieved during long-term cycling over 100 cycles. This conductive polymer-enabled graphite/nanoSi composite electrode exhibits high specific capacity and high 1st cycle efficiency, which is a significant progress toward commercial application of Si anodes. (C) 2016 Elsevier Ltd. All rights reserved.
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