国家/地区 中国（2）
IPC部 C（2）
IPC大类 C21（2）
IPC小类 C21D（2）
IPC
发明人
公开年 2023（2）
申请年
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 high-strength aluminum alloy plate for sheet metal process, comprises e.g. taking ZL114A as aluminum alloy plate base material, adding modifier, heating, adding refining agent, polishing, placing aluminum alloy plate in electrolyte for anodic oxidation, sealing, and drying.

XU J