CONDUCTIVE ADHESIVE FOR LITHIUM-ION BATTERY AND PREPARATION METHOD THEREFOR, LITHIUM-ION BATTERY ELECTRODE PLATE AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

摘要

The present invention provides a lithium-ion battery conductive bonding agent, including graphene and a first bonding agent that is grafted on a surface of the graphene. The first bonding agent includes at least one of polyvinyl alcohol, sodium carboxymethyl cellulose, polyethylene glycol, polylactic acid, polymethyl methacrylate, polystyrene, polyvinylidene fluoride, a hexafluoropropylene polymer, styrene-butadiene rubber, sodium alginate, starch, cyclodextrin, or polysaccharide. The lithium-ion battery conductive bonding agent has good conductive performance and bonding performance and specific strength, improving mechanical strength of a whole electrode plate. The conductive bonding agent integrates a bonding agent and a conductive agent. This can improve content of active substance in the electrode plate, and further increase an energy density of an electrochemical cell. The present invention further provides a production method for the conductive bonding agent, and an electrode plate and a lithium-ion battery that contain the conductive bonding agent.