▎ 摘　　要

NOVELTY - A high nitrogen doped graphene nanoparticle preparation method involves adding predetermined amount of methanol solution to zinc nitrate, and adding dropwise 2-methylimidazole and polyvinyl pyrrolidone to methanol mixed solution. The product is subjected to magnetic stirring and centrifugation to form complex of zinc and 2-methylimidazole nanoparticle (ZIF-8) followed by subjecting the product to calcination at 600-1000 degrees C under nitrogen atmosphere. USE - Method for preparing a high nitrogen doped graphene nanoparticle used in a lithium ion battery cathode material (claimed). ADVANTAGE - The method enables preparing the high nitrogen doped graphene nanoparticle with uniform appearance and surface ratio in a simple, easy and rapid manner.