▎ 摘　　要

NOVELTY - Graphene is peeled from a carbonaceous material and graphene is doped with nitrogen by plasma process, to obtain nitrogen-doped graphene electrode. USE - Manufacture of nitrogen-doped graphene electrode used for capacitor and electrical double layer condenser (all claimed). ADVANTAGE - The electrical double layer condenser using the manufactured nitrogen-doped electrode has excellent electrostatic capacity. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) capacitor; and (2) electrical double layer condenser.