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  • 专利标题:   Preparing silicon-carbon negative electrode material covered with double-layer carbon, comprises e.g. preparing silicon powder, solvent, dispersion, mixture of agent and zirconia beads, and adding nano-silicon powder into graphene.
  • 专利号:   TW755998-B1, TW202226650-A
  • 发明人:   CHEN B W, WENG B J, HWANG C H
  • 专利权人:   NAT CHUNGSHAN INST SCI TECHNOLOGY
  • 国际专利分类:   H01M004/36, H01M004/58
  • 专利详细信息:   TW755998-B1 21 Feb 2022 H01M-004/36 202234 Pages: 34 Chinese
  • 申请详细信息:   TW755998-B1 TW146376 28 Dec 2020
  • 优先权号:   TW146376

▎ 摘　　要

NOVELTY - The present invention provides a silicon-carbon negative electrode material coated with double-layer carbon, comprising: a graphene as a carrier; a nano-silicon powder dispersed on the surface of the graphene; and a double-layer amorphous Carbon is coated on the nano-silicon powder and the graphene surface to achieve the effect of longer cycle life than ordinary silicon powder.