• 专利标题:   Composition for forming negative electrode, comprises active material comprising silicon-based composite nanoparticles and graphene-based material chosen from graphene oxide, reduced graphene oxide and graphene, and binder.
  • 专利号:   KR2018001518-A
  • 发明人:   CHO D H, KIM B G, YUN T I, AHN S H, LIM S S, JIN J S, BAEK J W, KIM S H, HWANG S I, KIM D P
  • 专利权人:   NEPES CO LTD
  • 国际专利分类:   H01M010/0525, H01M004/04, H01M004/134, H01M004/38
  • 专利详细信息:   KR2018001518-A 04 Jan 2018 H01M-004/134 201810 Pages: 13
  • 申请详细信息:   KR2018001518-A KR081360 27 Jun 2017
  • 优先权号:   KR080183

▎ 摘  要

NOVELTY - A composition comprises an active material comprising silicon-based composite nanoparticles comprising silicon-cellulose nanofibers core-shell nanoparticles, silicon-silicon carbide-carbon core-shell nanoparticles, silicon-graphene core-shell nanoparticles, silicon oxide nanoparticles and/or silicon oxide-graphene core-shell nanoparticles, and a graphene-based material chosen from graphene oxide, reduced graphene oxide and graphene, and a binder. USE - Composition is used for forming negative electrode in lithium secondary battery (all claimed). Uses include but are not limited to electric vehicle, camcorder, notebook computer and phone. ADVANTAGE - The composition enables manufacture of negative electrode having excellent uniformity. The battery provided with the electrode is safe, and has excellent charging-discharging property and cycle characteristics, improved density and performance, and high specific energy. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for negative electrode.