国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） H01（2）
IPC小类 C01B（3）
IPC C01B032/21（3）
发明人
公开年 2019（3）
申请年 2019（3） 
专利权人

Preparing graphene-based composite oxide material in fire warning device, involves mixing oxidized graphene, solvent and reducing agent for partial reduction to obtain modified graphene oxide, and mixing modified oxidized graphene.

HAO Z, JIANG Y, TAN G, CHEN X, ZHANG Y, WANG B, CHANG R, YU J, WEN H, YI M

Graphite flake growth of graphene composite carbon material by removing impurities on graphite flake surface, heating graphite flake, maintaining temperature, introducing methane gas for carbon source and growing graphene.

OUYANG Q, WANG C

Surface-modified carbon material used in e.g. sensor, comprises carbon material chosen from graphene, graphite, carbon film film-like pyrolytic carbon and comprising several chemical modification groups on at least portion of its surface.

KAZUKUNI T, YOSHITO T, TORU I, YUKI K, NICOLAS D F S W, EDWARD H B, ZHI L, TAHARA K, TOBE Y, ISHIKAWA T, KUBO Y, DE FEYTER S W N, HIRSCH B E, LI Z