▎ 摘　　要

NOVELTY - Graphene carbon nanotube lithium ion battery comprises a battery casing and an electrode group and an electrolyte sealed in the battery casing, where the electrode group including a positive electrode material, a negative electrode material, and a diaphragm between the positive electrode material and the negative electrode material. The positive electrode material includes a current collector and a conductive coating coated on the current collector. The conductive coating is obtained by coating and curing the conductive paste. The conductive paste comprising active material, organic bentonite, polyacrylic acid, carboxymethyl cellulose, conductive agent in a mass ratio of 70-97.5%:0.1-5%:0.5-15%:0.5-10%:1-5%. USE - Graphene carbon nanotube lithium ion battery. ADVANTAGE - The graphene carbon nanotube lithium ion battery has good electrochemical performance and good circulation stability, and improves electric capacity. DETAILED DESCRIPTION - Graphene carbon nanotube lithium-ion battery comprises a battery casing and an electrode group and an electrolyte sealed in the battery casing, where the electrode group including a positive electrode material, a negative electrode material, and a diaphragm between the positive electrode material and the negative electrode material. The positive electrode material includes a current collector and a conductive coating on the current collector. The conductive coating is obtained by coating and curing the conductive paste. The conductive paste comprising active material, organic bentonite, polyacrylic acid, carboxymethyl cellulose, conductive agent in a mass ratio of 70-97.5%:0.1-5%:0.5-15%:0.5-10%:1-5%. The conductive agent comprising carbon nanotubes, graphene, super conductive carbon black in a mass ratio of 0.5-1.5:0.5-1.5:1-2. The active material comprising lithium-cobalt-aluminum oxide (LiNi0.8Co0.15Al0.05O2) and lithium manganese oxide in a mass ratio of 1.7-8:1. The particle diameter of the graphene is 50-400nm, and the diameter of the carbon nanotube is 5-10nm. The thickness of the conductive coating is 0.1-4 μm. An INDEPENDENT CLAIM is included for a method for preparing a graphene carbon nanotube lithium-ion battery, which involves: a. preparing positive electrode material, placing the prepared positive electrode material into the battery casing; and b. adding electrolyte and the negative electrode material, covering battery casing for packaging to obtain a product.