▎ 摘　　要

NOVELTY - A graphene based conductive paste preparation method involves crushing flake graphite raw material to diameter of less than or equal to 20 um, filtering, obtain flake graphite with uniform diameter, uniformly mixing the flake graphite with intercalating agent and oxidant, reacting in water bath at 20-100 degrees C, washing obtained product using deionized water, filtering, drying to obtain powder, placing the dried powder in muffle furnace, heating at 800-1000 degrees C for 10-60 seconds, obtaining graphene precursor, mixing the graphene precursor with N-methylpyrrolidone and ultrasonically oscillating for more than 30 minutes, where the graphene based conductive paste has solid content of 0.1-3%, where mass ratio of flake graphite, intercalating agent and oxidant is 1:1-10:0.1-5. USE - Method for preparing graphene based conductive paste that is utilized as conductive additive for positive electrode of lithium battery (claimed). ADVANTAGE - The method enables preparing graphene based conductive paste with ability to increase energy density of and rate performance of lithium battery in a simple manner at low cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a use of the graphene based conductive paste.