▎ 摘　　要

NOVELTY - Modified graphene lubricant comprises 0.3-1.5 pts. wt. modified graphene, 0.5-1.0 pts. wt. nitrogen-sulfur co-doped carbon material, 0.01-0.5 pts. wt. nano particles, and 100 pts. wt. base oil, where the nitrogen-sulfur co-doped carbon material is processed from biomass material, and the nano particles are lipophilic nanoparticles. USE - Used as modified graphene lubricant. ADVANTAGE - The lubricant: has excellent abrasion and anti-friction properties, has high thermal conductivity, improved quality, and long service life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the lubricant comprising (i) gradually adding modified graphene, nitrogen-sulfur co-doped carbon material and nanoparticles to the base oil, and stirring uniformly, and (ii) ultrasonic oscillating the resulting mixture, and stirring simultaneously.