▎ 摘　　要

NOVELTY - Preparing graphene involves oxidation of graphite into graphite oxide solution, adjusting pH value of graphite oxide solution to pH 7-9, adding prereduced graphene and mixing with substrate, and irradiating substrate with laser to obtain graphene. USE - Method for preparing graphene for electrode (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method producing graphene electrode, which involves adding graphene wand performing into interdigitated, parallel strip, spiral obtain graphene electrode.