国家/地区 中国（24）
IPC部 C（24）
IPC大类 C22（24）
IPC小类 C22C（24） B22F（12） C01B（6）
C23C（5） B21C（3） H01H（3）
B82Y（2） C22F（2） H01B（2）
IPC C22C009/00（24）
发明人 LIU Y（10） LI L（8） ZHANG Y（7）
DONG L（6） HUO W（5） LI X（5）
LI D（4） LU J（4） ZHANG W（4）
HUANG Z（3） ZHOU S（3） AN J（2）
BAN Y（2） CAO D（2） CHEN R（2）
公开年 2020（12） 2021（11）
申请年 2020（24）
专利权人 NORTHWEST IN.（5） XIAN RARE ME.（5） SHENZHEN NON.（2） SHENZHEN ZHO.（2）
UNIV HENAN S.（2）

Method for preparing graphene-reinforced copper chromium electric contact material, involves cold pressing second mixed powder and sintered to obtain preform, and re-pressing and re-firing preform to obtain electrical contact material.

LV X, SHEN H, QIAN T, CAO H, MA Y

Preparation of graphene-enhanced carbon-copper composite material involves preparing graphene, performing surface activation treatment, adding ethanol solution, adding copper powder and niobium powder, ball milling, sintering and cooling.

WEI W, HUANG Z, YANG Z, ZUO H, LIAO Q, LI X, LIN J, WU G, GAO G

Copper-based composite powder of high-strength and high-corrosion-resistant copper-based monotectic alloy formed by laser selective melting, comprises e.g. carbon, chromium, nickel, manganese, phosphorus, sulfur, silicon, iron, and copper.

YI Y, ZHOU S, WANG X, YANG J, ZHANG Z, LI W

Preparation of graphene-copper composite material involves preparing copper-clad phase using e.g. graphene dispersion, hydrofluoric acid solution, sodium hydroxide and sodium citrate, mixing with copper powder, pressing, and sintering.

LI X, HUANG Z, HUANG S

Preparation method of reducing graphene oxide and alumina co-reinforced copper-based composite material, involves performing low-speed ball milling of mixed powder A and graphene oxide obtained in second step to obtain mixed powder B.

LI L, LI X, ZHANG W, LIU Y, DONG L, HUO W, ZHANG Y

High-speed magnetic levitation fan back cover heat dissipation shell comprises a heat dissipation shell body, a first heat dissipation component arranged on the side of the heat dissipation shell body and a second heat dissipating component.

ZHOU F, XU Y

High strength high conductivity graphene-copper composite wire comprises graphene, impurity element and copper.

YANG Z, FENG X, XIE H, PENG L, HUANG G, ZHANG W, MI X

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

Method of preparing graphene-carbon nano tube/copper-based composite material, involves adding graphene carbon nano tube/copper composite material into tungsten carbide, and keeping certain temperature and cooling with furnace.

LI D, XIONG C, YE Y, WANG K, GUAN J

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