国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3）
IPC C21D009/52（3）
发明人
公开年 2021（2）
申请年 2021（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

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

PENG X, PENG S

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