国家/地区 中国（3）
IPC部 C（3）
IPC大类 C22（3）
IPC小类 C22F（3）
IPC C22F001/08（3）
发明人 ZHANG W（3）
公开年
申请年 2021（2） 
专利权人

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 copper-based graphene useful for preparing copper-based graphene conductor of electric wire cable, comprises performing surface cleaning and drying on copper material, stacking with high temperature resistant substrate, annealing, and growing graphene layer on copper material surface.

FU J, YANG J, SHEN H, ZHANG W, MA Y

Preparing high-orientation and high thermal conductivity graphene/copper composite material used as thermal-conducting reinforcing body for electronic device heat power density, comprises e.g. adding isopropanol into ethanol, ultrasonically processing, and forming highly oriented graphene film.

LI L, ZHANG W, DONG L, HUO W, LI X, CHANG G