▎ 摘 要
NOVELTY - A photocatalyst-graphene-carbon nanofiber composite includes graphene, and has high-photocatalytic activity in ultraviolet range or visible light area. USE - Photocatalyst-graphene-carbon nanofiber composite is used for filter for air purifier, automobile exhaust filter and filter for cleaning water (all claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for filter.