• 专利标题:   Lithium ion battery graphene composite nanomaterial electrode, has composite nanometer material active substance provided in ink and nano sheet nanomaterial, where mass ratio of substance is in specific range.
  • 专利号:   CN102214816-A, CN102214816-B
  • 发明人:   CHEN W, SUN G, YANG L, ZHANG T, ZHOU Y
  • 专利权人:   ZHEJIANG ZHENLONG BATTERY CO LTD
  • 国际专利分类:   H01M004/133, H01M004/1393
  • 专利详细信息:   CN102214816-A 12 Oct 2011 H01M-004/133 201178 Pages: 9 Chinese
  • 申请详细信息:   CN102214816-A CN10046444 25 Feb 2011
  • 优先权号:   CN10046444

▎ 摘  要

NOVELTY - The electrode has a graphene nano sheet provided with an electrode active material, a composite nano meter material and acetylene black and polyvinylidene fluoride. Mass content of the nano composite material active substance is 75-85 percent, acetylene black is 5-10 percent, and polyvinylidene fluoride is 10 percent. Mass ratio of composite nanometer material active substance in an ink and nano sheet nanomaterial is 1: 1 to 4: 1. USE - Lithium ion battery graphene composite nanomaterial electrode. ADVANTAGE - The electrode has high electrochemical lithium storage reversible capacity, better stable cycle performance and wide range of application. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a lithium ion battery graphene composite nanomaterial electrode preparing method.