国家/地区 中国（8）
IPC部 C（9）
IPC大类 C22（9）
IPC小类 C22C（9） H01B（5） B22F（4）
B21C（3） C22F（3） H01H（3）
C01B（2） C21D（2） C23C（2）
IPC C22C009/00（9）
发明人 ZHANG Y（3） AN J（2） BAN Y（2）
FU M（2） GENG Y（2） JIA Y（2）
LI L（2） LI X（2） LIANG S（2）
LIU Y（2） SONG K（2） TIAN B（2）
WAN X（2） WANG B（2） WANG Z（2）
公开年 2021（9）
申请年 2021（5）  2020（3） 
专利权人 UNIV HENAN S.（2）

Ultra-low chromium content copper tungsten-copper chromium integral electrical contact comprises copper tungsten arc resistant end and copper chromium conductive end.

LIU P, YANG R, ZHOU N, ZHAO J, KANG D, ZHOU X

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

Carbon-copper sintered composite component used for device with thermal-radiation system, comprises carbonaceous phase, and copper phase having preset acicular ratio of maximum length of copper phase to its diagonal width, in cross-section.

KATO J, KITA K

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

Multi-order load-type graphene oxide hybrid copper-chromium electrical contact material comprises graphene oxide, nano-cerium dioxide particles loaded with chromium on surface of graphene oxide, and copper and impurities.

ZHANG Y, ZHOU M, AN J, LI L, TIAN B, SONG K, WAN X, WANG Z, JIA Y, LI X, LIU Y, FU M, ZHANG X, WANG B, GENG Y, BAN Y, ZHANG P, LIANG S

Preparing nano-graphene oxide in-situ strengthened copper-chromium electrical contact material comprises e.g. preparing graphene oxide nanosheets using graphite powder, adding sulfuric acid, sodium nitrate and graphite into flask.

ZHANG Y, ZHOU M, AN J, LI L, TIAN B, SONG K, WAN X, WANG Z, JIA Y, LI X, LIU Y, FU M, ZHANG X, WANG B, GENG Y, BAN Y, ZHANG P, LIANG S