▎ 摘　　要

NOVELTY - A graphene composite slurry comprises 16-70 wt.% base material, 1-5 wt.% surface dispersant, 10-80 wt.% carrier adhesive and 3-15 wt.% graphene dispersion liquid. The base material comprises 40-80 wt.% micro-silicon powder, 5-20 wt.% nano-silicon dioxide, 5-10 wt.% nano-titanium dioxide, 5-15 wt.% silicate and 5-10 wt.% quartz powder. USE - Graphene composite slurry is used for manufacturing coating (all claimed). ADVANTAGE - The graphene composite slurry is capable of increasing heat generation temperature of graphene far-infrared heating technique. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) graphene composite slurry coating, which comprises a substrate and a graphene slurry coating comprising the graphene composite slurry. The substrate comprises metal, ceramic, glass, or glass-ceramic; (2) preparation of graphene composite slurry, which involves mixing micro-silicon powder, nano-silicon dioxide, nano-titanium dioxide, silicate and quartz powder, ball milling, sieving, sintering, crushing and grinding to obtain base powder, heating the base powder to 500-1500 degrees C, preferably 800-1200 degrees C, maintaining for 0.1-6 hours, preferably 1-2 hours, and cooling to room temperature to obtain crystal samples, crushing the crystal sample and ball milling into powder; and (3) preparation of graphene composite slurry heating coating, which involves applying the graphene composite slurry to the substrate, printing high-temperature silver paste counter electrode on the geometric ends of the graphene paste coating, sintering the coated substrate and curing in a nitrogen atmosphere at 200-1400 degrees C.