▎ 摘　　要

NOVELTY - A composite conductive agent comprises 0.4-2.97 pts. wt. graphene and 0.03-0.1 pts. wt. single-wall carbon nano tube. USE - Composite conductive agent for producing positive plate of lithium ion battery (all claimed). ADVANTAGE - The graphene and multi-wall carbon nano-tube of the composite conductive agent is mixed by special ratio, so that single-wall carbon nano tube is formed a network coating to form a conductive network, that connected in series with each anode active material and current collector, which can promote better conductive network that formed in positive electrode, and avoid the graphene longitudinal conduction problem, so as to reduce the pole piece resistance, to obviously reduce battery resistance, so that the high rate charging and discharging performance of the battery is improved. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a positive plate comprising a positive current collector and anode active layer coated on the surface of the positive current collector, where the anode active layer is made of 100 pts. wt. anode active material comprising 0.5-3 pts. wt. composite conductive agent, 0.4-1.2 pts. wt. cementing agent and 0-40 pts. wt. solvent, and the composite conductive agent is made of 0.4-2.97 pts. wt. graphene and 0.03-0.1 pts. wt. single-wall carbon nano tube (2) a lithium ion battery comprising a negative plate, diaphragm and the positive plate, where the negative plate, the diaphragm and the positive plate are orderly laminated by winding (3) a method for producing lithium ion battery, which involves taking the anode active material, composite conductive agent, bonding agent and solvent at a mass ratio of 100:0.5-3:0.4-1.2 0-40 and stirring for 3-5 hours in a homogenate machine to prepare the anode slurry, putting cathode active substance, negative conductive agent, negative thickening agent, cathode adhesive and cathode solvent into the homogenizing machine and stirring for 3-5 hours to prepare the cathode slurry, coating the anode slurry on the positive electrode current collector, followed by rolling the cathode slurry coated on the cathode current collector, rolling sheet, followed by processing the sheet to obtain the lithium ion battery.