▎ 摘　　要

NOVELTY - A lithium-ion battery electrode containing single-layer graphene, includes substrate and electrode material coating. USE - Lithium-ion battery electrode containing single-layer graphene used in mobile phone, digital camera, electric vehicle, electric tool and energy storage. ADVANTAGE - The dirt on the substrate is removed by using laser cleaning machine, thereby cleaning the dust and dirt on the surface of substrate by using the laser cleaning machine, so that improving the bonding performance between electrode slurry and substrate. By using ultrasonic coating thickness measuring instrument to detect the thickness of the coating layer on the substrate meets the production standard, effectively avoiding the unqualified product flowing into the market. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of lithium-ion battery electrode containing single-layer graphene, which involves (S1) adding specified mass of graphene material to surfactant solution, and ultrasonically dispersing to obtain graphene dispersion solution as conductive agent, (S2) weighing electrode material, conductive agent and bonding agent at mass ratio of 8:1:1, and grinding into electrode slurry, (S3) using laser cleaning machine for removing the dirt on substrate, (S4) after removing dirt on the substrate surface, coating electrode slurry on the substrate, (S5) after coating the electrode slurry, utilizing ultrasonic coating thickness measuring instrument for detecting the thickness of electrode slurry on the surface of substrate, and removing the unqualified product, (S6) adding the product detected to drier and drying, (S7) utilizing vacuum pump for extracting gas in the dryer, where the inside of dryer is provided with water absorbing cotton for absorbing the water vapor dried in electrode slurry, and (S8) pumping gas in dryer, and drying for 2-3 hours at a certain temperature to obtain lithium-ion battery electrode, and (S9) detecting the manufactured battery electrode. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the single-layer graphene-containing lithium ion battery electrode. Substrate (1) Electrode material coating (2)