国家/地区 中国（5）
IPC部 C（5）
IPC大类 C22（5） H01（5） B21（3）
C23（2）
IPC小类 C22C（5）
IPC C22C009/00（5）
发明人
公开年 2021（5）
申请年 2021（4） 
专利权人

Preparation of graphene copper wire includes ball milling graphene oxide powder and oxygen-free copper powder to obtain mixed powder, hot-press sintering mixed powder, mixing with oxygen-free copper powder to obtain graphene copper sintered body, annealing graphene copper wire and winding.

YANG Z

Surface modified copper bus bar, has lapping surface and non-overlapping surface of copper bus are attached with silver bottom layer by magnetic control sputtering technology.

LIN Q, MEI Z

Preparing high conductive nickel modified graphene/copper composite material used in e.g. conductive field involves loading nickel on graphene to obtain nickel-grind powder using two-step hydrothermal method, mixing nickel-graphene powder with copper powder, ball milling and sintering mixed powder.

LIU R, DING J, ZHANG M, ZHU H

High-conductivity silver-copper alloy for commutator copper sheet, comprises silver-copper alloy main body and reinforced medium doped in alloy main body, where silver-copper alloy main body has silver, impurity element and copper.

ZHANG Y, HUANG H, HUANG G, JIANG R

Copper wire for wind power generation motor, comprises brass, red copper, industrial silver, graphene, aluminum, tungsten, nickel, iron, and nano graphite, where graphene and nano-graphite are in powder form and are crushed and sieved.

CHEN S