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Conducting Single Crystal Silicon Particles Coated by Highly Conductive Carbon Containing Nanopores and Ultrathin Metal Film High Capacity Lithium Anode Materials including the same and Manufacturing Method thereof
Conducting Single Crystal Silicon Particles Coated by Highly Conductive Carbon Containing Nanopores and Ultrathin Metal Film High Capacity Lithium Anode Materials including the same and Manufacturing Method thereof
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机译：高导电性含碳纳米孔包覆的导电单晶硅颗粒及其超薄金属膜高容量锂阳极材料及其制备方法
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摘要
The present invention relates to single crystal conductive silicon particles coated with highly conductive carbon containing micropores and a metal thin film, to a negative electrode active material comprising the same for a high capacity secondary battery, and to a preparation method thereof. The negative electrode active material comprises: single crystal conductive silicon particles doped with at least one element selected among group 3 (III) and group 5 (V) elements; a metal thin film coated on the surface of the single crystal conductive silicon particles; and a highly conductive carbon coating layer stacked and coated on the metal thin film. Micropores can be formed between the single crystal conductive silicon particles and the carbon coating layer.
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