国家/地区 中国（7）
IPC部 C（7）
IPC大类 C22（7） B22（4） H01（3）
B21（2） C01（2） C23（2）
IPC小类 C22F（7） C22C（5） B22F（4）
C01B（2） C23C（2） H01B（2）
IPC C22F001/08（7）
发明人 LI J（2）
公开年 2023（7）
申请年 2022（5）  2023（2） 
专利权人

Preparing graphene copper-based composite material, comprises e.g. mixing graphene slurry and copper-based powder, compressing powder to obtain green body, vacuum calcining, subjecting to solution heat treatment and aging heat treatment to obtain graphene copper-based composite material.

WANG X, XIAO Z, CAO Z, LI J

Preparing copper-clad aluminum composite welding strip used in interconnection strip, bus belt comprises surface cleaning of copper strip and aluminum rod, wrapping, multiple drawing of composite copper rod, and ultrasonic testing, drawing composite copper wire, heat annealing and tin plating.

DONG W, ZHANG W, GAO L, CHEN Q

Preparing graphene superconducting copper wire, comprises soaking oxygen-free copper balls in self-adhesive water, adding oxygen-free copper balls coated with self-adhesive, hot-pressing graphene composite copper material and performing drawing forming and annealing treatment.

LI J, CAI M, LI B

Preparing graphene-doped copper bonding wire comprises taking graphene oxide, mixing with mixed metal powder to obtain molten mixed powder, placing semi-finished product wire into aqueous solution of reducing agent for heating, annealing, washing and drying.

FENG Z, QU S, LIU B, WANG T, LIN L

Preparing copper-graphene composite material involves utilizing mechanical alloying method to prepare copper and polymer powder to obtain copper-polymer powder, cold isostatic pressing copper polymer powder to get bar melting region to bar porous rod material.

LIANG J, ZHANG X, WANG D, LI X, ZHOU S, GUO G, BAO F

Preparing tellurium-copper alloy material containing rare earth metal comprises e.g. taking pure copper, pure tellurium, copper-rare earth alloy and mix, melt, add pure zinc, copper-phosphorus alloy as deoxidizer, solution treating, aging, and electroplating to form coating.

ZHU Y

Preparing graphene composite copper heat-conducting film comprises adding graphene oxide into water, stirring to obtain graphene oxide slurry, adding copper sulfate solution, coating graphene oxide-copper sulfate composite slurry on substrate, heat-treating, sintering composite nano-copper film.

PAN Z, ZHOU M