▎ 摘　　要

NOVELTY - Preparation of enhanced cylindrical graphene and silicon cyanide ceramic involves placing oxidized graphene in a container, adding dimethyl formamide solution, sealing container, ultrasonic stirring to obtain dispersion liquid, mixing polysilazane solution with oxidized graphene to make dimethyl formamide dispersion liquid, adding dicumyl peroxide, ultrasonic mixing, hot cross-connection in an inert gas atmosphere, ball-milling, press molding into a disc wafer, annealing ceramic wafer, drilling holes, inserting wire, heating in a tubular furnace in a low nitrogen atmosphere. USE - Preparation of enhanced cylindrical graphene and silicon cyanide ceramic used in temperature sensors.