国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/184（3）
发明人 HE C（3）
公开年 2020（2）
申请年 2019（3）
专利权人

Method for preparing graphene film, involves forming polymer precursor film on surface of substrate, using pre-oxidation process to form pre-oxidation thin layer and forming graphene film by high-temperature carbonization process.

HONG H, HE C, XIN X, WANG G

Graphene-coated rare-earth element-supported copper composite material comprises double-layer harmonic structure, where rare-earth element is supported by small-sized copper, and small-sized copper is further supported on large-sized copper.

LIU E, QIAN S, ZHAO N, SHI C, HE C, HE F, MA L, SHA J

Preparation of graphene microsphere comprises dispersing graphene oxide in solvent, adding template agent, mixing, and vacuum heating.

MENG H, HE C, FAN T