▎ 摘　　要

NOVELTY - Manufacture of high-purity graphene involves irradiating light in solution (a) containing graphene oxide having anion, reducing graphene oxide using optical catalyst, and separating optical catalyst. USE - Manufacture of high-purity graphene used for fuel cell, battery and super capacitor. ADVANTAGE - The graphene is manufactured efficiently and economically with high purity, and excellent conductivity and stability.