▎ 摘 要
NOVELTY - A nanocomposite catalyst contains a metal catalyst material supported to graphene nano single sheet, to which carbon black is introduced. USE - Nanocomposite catalyst for electrode of polymer electrolyte fuel cell (claimed). ADVANTAGE - The nanocomposite catalyst has high catalytic activity and specific surface area. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of nanocomposite catalyst.