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（3）
申请年 2019（2） 
专利权人

Preparing graphene powder by mixing PTFE and organic solvent, mixing PTFE suspension and active solid particles, performing solid-liquid separation, drying, igniting, washing and drying.

HE C, YANG M, LIU J, CAI Q, FENG X

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