国家/地区 中国（2）
IPC部 C（2）
IPC大类 C22（2）
IPC小类 C22C（2）
IPC
发明人
公开年 2023（2）
申请年 2023（2）
专利权人

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 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