国家/地区 中国（8）
IPC部 C（8） B（7） H（2）
IPC大类 C01（8） C22（8） B22（6）
B82（2） H01（2）
IPC小类 C01B（8）
IPC C22C009/00（8）
发明人 WANG G（2）
公开年 2021（5） 2022（3）
申请年 2021（8）
专利权人 UNIV KUNMING.（2）

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Method for Preparing oxidation resistant copper-based surface enhanced Raman scattering substrate, involves adding alloy strip into hydrochloric acid ethanol solution to remove alloy to obtain nano porous copper, carrying out acid washing on nano porous copper, and washing oxide layer off.

LIU J, NING J, ZHANG L, CHEN C, PAN D

Preparation of graphene/metal-based composite material based on graphene defect control involves ultrasonically dispersing graphene powder with different defects, at the same time, metal powder by stirring ball milling.

LIU Y, ZOU B, ZHANG G, WANG G, LI Z, OUYANG H

Method for preparing high-strength and high-conductivity copper/graphene composite material, involves conducting electrical and thermal conductivity, tensile properties and other tests on rolled clad sheet and heat-treated clad sheet, and comparing and observing microstructures.

YI Y, WANG G, ZHANG S, YU H, ZHANG X, JIANG Q

Preparation of silver-loaded graphene/copper self-lubricating material used in e.g. vehicle application, involves dispersing graphene nanosheets and sodium dodecyl sulfate in dimethylformamide, dispersing with silver nitrate solution, hydrothermally-treating, mixing copper powder, and sintering.

ZHANG B, BAI G, MIN Z, YANG X, SUN H, CAI L, JIA J

Preparing graphene/copper composite powder for composite material for e.g. heat sink material, by mixing acidic solution containing copper ions and aqueous graphene solution or mixing acidic solution containing copper ions and aqueous graphene oxide solution, electro-depositing, and collecting.

WANG L, YU J, ZONG Y

Preparing multi-dimensional carbon material composite reinforced copper-based material comprises e.g. mixing carbon precursor with concentrated acid, titrating reflux product into neutrality by alkaline substance, dialyzing, and freezing.

BAO R, NIE Y, YI J

Boron-doped graphene reinforced copper-based composite material, is doped with boron on graphene sheet to form boron-doped graphene which is distributed in copper substrate, and copper-boron-carbon bond.

YANG M, LI T, LIU W, WANG Y, HOU H