国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5） C22（5） B22（4）
IPC小类 C01B（5）
IPC C22C009/00（5）
发明人 DONG L（2） LI L（2） ZHANG Y（2）
公开年 2020（5）
申请年 2019（3）  2020（2） 
专利权人 XIAN RARE ME.（2）

Preparing graphene powder used as reinforcement material in metal composite materials comprises dispersing graphite powder in solvent, cleaning, freeze-drying, subjecting to intercalation heat treatment, ball milling and peeling.

DONG L, LI L, LIU Y, LU J, HUO W, ZHANG W, ZHANG Y

Preparing three-dimensional structure nano-carbon material reinforced copper-based composite material involves pretreating graphene oxide and carboxylated carbon nanotubes separately, and dispersing pre-treated graphene oxide.

ZHANG J, LI D, LIU L, PAN X, ZHANG Y, DONG L, LI L

Graphene doped chrome reinforced copper-based composite material is prepared by preparing chromium doped graphene core-shell structure powder, mixing with copper powder, cold-pressing and performing arc melting under protection of inert gas.

LENG J, XIA C, WANG J, DONG Y

Preparing copper-based graphene composition coiled material comprises e.g. adding graphite powder and strong oxidant in reactor, mixing graphite powder and strong oxidant, heating to evaporate the water in solution obtaining graphite oxide.

INVENTOR U

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