国家/地区 中国（11）
IPC部 C（11） H（11） B（9）
IPC大类 C22（11）
IPC小类 C22C（11）
IPC H01B013/00（10） C22C009/00（8） H01B001/02（8）
C22C001/10（7） B22F003/14（5） B22F009/04（4）
C22C001/05（4） C01B032/186（3） C23C016/26（3）
B22F001/102（2） B22F003/02（2） B22F003/10（2）
C01B032/184（2） C01B032/194（2） C22C049/02（2）
发明人 LI M（2） LI X（2） LIANG J（2）
MA J（2） WANG Y（2） ZHANG X（2）
公开年 2022（9） 2023（2）
申请年 2022（11）
专利权人 CRRC IND RES.（2）

Preparing copper-graphene composite material involves utilizing mechanical alloying method to prepare copper and polymer powder to obtain copper-polymer powder, cold isostatic pressing copper polymer powder to get bar melting region to bar porous rod material.

LIANG J, ZHANG X, WANG D, LI X, ZHOU S, GUO G, BAO F

Copper-carbon composite material useful in preparation of conductive product, comprises copper substrate, carbon material and intermediate element capable of alloying with carbon material, carbon material is dispersed between copper grains of copper substrate.

XIAO Y, GONG S, JING X, JIANG Z, YU X, WANG Z

Preparation method of graphene copper composite material used in e.g. modern electronic information industry field, involves continuously casting mixture of copper powder and graphene in vacuum condition.

WANG E, WANG Y, HU X, ZHANG R, WANG X, LIU K, FU Y

Preparation of graphene guide bar used in squirrel-cage-type three-phase asynchronous motor, involves ball-milling graphene, high-purity aluminum and polydimethylsiloxane, pressing, vacuum-sintering, cooling, applying pressure to sintered sample through fixed punch to cause plastic deformation.

WEN C, LU S, ZHAO P, ZHENG G

Performing graphene copper composite material useful in transmission cable comprises performing chemical vapor deposition on copper powder under methane and reducing atmosphere to form graphene on surface of the copper powder hot-pressing and sintering first powder.

CHEN S, LIU J, CHI C, GAO J, PANG Z, ZHANG Q, CHEN B, HAN Y, ZHU Z, DING Y

Method for preparing graphene metal composite material useful in field of alloy preparation for electrical, mechanical, and thermodynamic applications, comprises e.g. growing graphene on surface of metal material, heating, and applying pressure to metal material grown with graphene.

QU Y, TAN H, WANG W, SHEN D

Preparing graphene copper composite material useful in supercapacitors and motor drive devices, comprises e.g. pre-setting multi-layer copper foil in hot pressing chamber, adopting chemical vapor deposition, preparing graphene film on copper foil surface, and sintering graphene-copper.

GONG M, ZHAO M, LI M, CHEN C, CHEN Q, YANG W, LI Y, WANG Y, LIU B, PEI Z, ZHANG X, LIANG J

Preparation of in-situ self-generated graphene/copper composite material with composite interface structure, used for e.g. large-scale integrated circuit lead, comprises heating raw material copper in air, soaking in formic acid, drying, and heating and carbonizing treatment.

ZHANG L, SHENG J, WANG L, FEI W

Production graphene of metal conductive material comprises forming and pressing, where step of graphene and step of molding pressing are carried out in same chamber.

SHAO L, HUANG D, DUAN Y, JIANG H, MA J, YU J, XU X, LI X, SHI H

Preparing metal-based composite material involves preparing graphene preparation solution, performing low-energy ball milling to oxidized graphene, cold pressing mixed powder into sheet blank, and annealing in reducing furnace in hydrogen atmosphere.

FENG Y, CHEN L, MA J