▎ 摘　　要

NOVELTY - Preparing high-temperature graphene conductive ink comprises mixing graphene and absolute ethanol for emulsification to obtain an emulsion, (ii) ball milling emulsion, (iii) performing suction filtration on the emulsion, ball milling and washing with deionized water to obtain neutral graphene, (iv) mixing the modifier, deionized water and the neutral graphene, obtaining a mixed solution, (v) dispersing mixed solution at a temperature of 30-50degreesC. USE - The method is useful for preparing high-temperature graphene conductive ink. ADVANTAGE - The high temperature graphene conductive ink has high temperature graphene conductive ink has better high temperature stability, strong adhesive force, has better adhesive force and heat stability, and high heat dissipation performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for (1) a microcrystalline plate prepared by the method for preparing high-temperature graphene conductive ink . (2) preparing microcrystalline plate for preparing microcrystalline plate comprising (i) placing high-temperature graphene conductive ink in a frequency conversion dispersing machine and dispersing for 20-40 minutes, (ii) dispersing high-temperature graphene conductive ink, curing on microcrystalline plate substrate by screen printing or spraying, (iii) placing microcrystalline plate substrate at 400-600degreesC, sintering in a vacuum environment or in nitrogen or inert gas for 7-15 minutes to obtain a microcrystalline plate with high-temperature graphene conductive ink