▎ 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.