▎ 摘　　要

NOVELTY - Composite carbon-silicon nanofiber coating material comprises Silicon-containing nanomaterial-carbon-containing nanomaterial composite, at least one film-forming substance, pigments, filler, solvent and/or auxiliary agent. The material composition is Silicon oxycarbide compound (I). USE - Composite carbon-silicon nanofiber coating material in coating protection of new energy manufacturing industry (claimed). ADVANTAGE - The composite carbon silicon nanofiber coating material: improves the service life of coating ; has excellent hydrophobicity, no peeling and degassing, and no foreign matter dust; and makes a great contribution in order to ensure the safety of battery use. DETAILED DESCRIPTION - Composite carbon-silicon nanofiber coating material comprises Silicon-containing nanomaterial carbon-containing nanomaterial composite, at least one film-forming substance, pigments, pigments, at solvent and/or auxiliary. The material composition is silicon oxycarbide compound of formula (I) SixCyOz. x = 0.01-0.99; y = 0.01-0.99; and z = 0-0.40. An INDEPENDENT CLAIM is included for preparing composite carbon-silicon nanofiber coating material, comprising (i) under vacuum conditions, placing silicon-containing nanomaterials into the reactor, and bombarding the material in circular manner using plasma spray gun to activate and dispersing evenly, (ii) raising the temperature of the reactor to 500-2400℃ under vacuum conditions, and introducing carbon-containing organic gas to carry out the cracking reaction, (iii) under constant temperature and vacuum conditions, depositing free gas-phase carbon elements, and grown on silicon-containing nanomaterials to obtain composite carbon-silicon nanofibers and by-product gases, (iv) separating the gas through the evacuation pipeline to obtain composite carbon-silicon nanofibers, (v) turning on the dispersing machine to 100-2000 revolutions/minute, and mixing the composite carbon silicon nanofiber, film-forming substance, pigment and filler, solvent and auxiliary agent evenly to obtain final product.