国家/地区 中国（11）
IPC部 C（11）
IPC大类 C21（11）
IPC小类 C21D（11）
IPC C21D001/26（5） C22F001/08（5） B22F003/14（3）
C21D009/00（3） C21D009/52（3） C22C001/10（3）
C22C009/00（3） C22F001/02（3） H01B001/02（3）
B22F003/10（2） B22F009/04（2） C22C001/05（2）
C22C021/02（2） C22F001/04（2） C22F001/043（2）
发明人 LI J（2）
公开年 2021（5） 2022（3） 2023（2）
申请年 2021（7）  2022（2） 
专利权人

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H

Preparing rGO/silicon dioxide coating on aluminum-magnesium-silicon alloy plate surface, comprises selecting polar plate, using computer engraving technology to engrave single-channel snake-shaped flow field, and removing oil and impurity.

SHAO C, HUANG J, YUAN B, LIU J, ZHANG L

In-situ interface modification method of graphene copper-based composite material involves adding copper powder after annealing and reduction into mixed solution of carbon source and copper salt in oil bath heating environment, and coating carbon source with copper ion powder.

ZHANG D, LI Z, PENG Y, DONG Z, XIONG D

Method for preparing metal-graphene composite material by using electronic component, involves preparing metal-graphene composite material by hot-pressing sintering, and applying pulse current to metal substrate to perform surface heat treatment to metal substrate.

WANG X, HUO Y, LI J, CAO Z, XIAO Z

High-conductivity aluminum alloy graphene high conductivity comprises graphene, iron, silicon, copper, rare earth, boron, titanium, vanadium, manganese and chromium, other impurities and aluminum.

WANG H, ZHAO H, WANG G, ZHANG Y, ZHANG J

Graphene bonded silver wire for packaging, comprises specified amount of graphene and silver.

PENG X, PENG S

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

Preparation of copper based iron based composite electrical contact material includes preparing graphene fiber containing ferric oxide powder, modifying graphene fiber containing ferric oxide powder and pretreating base material.

ZHENG Y

Preparation of graphene-aluminum composite material lead by mixing magnesium oxide and graphene, soaking, liquid nitrogen ball milling, vacuum drying, roasting, adding magnesium oxide and atomized aluminum, casting, stretching and annealing.

JIA T, HONG W, ZHOU R, XI X, YANG F, LI M