• 专利标题:   Lithium ion battery graphene nanometer sheet-cobalt hydroxide composite negative electrode material, has nanometer sheets distributed on cobalt hydroxide particle in crossing way, where mass percentage of sheets is of specific value.
  • 专利号:   CN101867046-A
  • 发明人:   YANG X, MA Z, HE Y, LIAO X, BAI D, ZENG L
  • 专利权人:   UNIV SHANGHAI JIAOTONG
  • 国际专利分类:   H01M004/139, H01M004/36
  • 专利详细信息:   CN101867046-A 20 Oct 2010 H01M-004/36 201102 Pages: 6 Chinese
  • 申请详细信息:   CN101867046-A CN10147644 15 Apr 2010
  • 优先权号:   CN10147644

▎ 摘  要

NOVELTY - The material has graphene nanometer sheets distributed on a cobalt hydroxide particle in a crossing way, where graphene nanometer sheets have 10 to 90 mass percentage. Thickness of the graphene nanometer sheet ranges from 1 to 50nm. Particle diameter of the cobalt hydroxide ranges from 0.5 to 30um. USE - Lithium ion battery graphene nanometer sheet-cobalt hydroxide composite negative electrode material. ADVANTAGE - The reversible specific capacity of the composite material can be stabilized to be more than 900mAh/g when discharging and charging the current of 200mA/g. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing a lithium ion battery graphene nanometer sheet-cobalt hydroxide composite negative electrode material. DESCRIPTION OF DRAWING(S) - The drawing shows a graphical representation of a lithium ion battery graphene nanometer sheet-cobalt hydroxide composite negative electrode material.'(Drawing includes non-English language text)'