国家/地区 中国（3）
IPC部 C（3）
IPC大类 C25（3）
IPC小类 C25D（3）
IPC C25D005/14（3）
发明人 GUO C（2） LAI H（2）
公开年 2023（2）
申请年 2022（3）
专利权人 GUANGZHOU UL.（2）

Neodymium-iron-boron plating trivalent black chromium and plating layer structure of graphene, has citrate pre-plating nickel layer that is prepared from inside to outside sequentially of substrate, and graphene sealing layer.

PENG C, LAI H, GUO C, LI X

Neodymium-iron-boron zinc-plated nickel alloy and plating layer structure of graphene, has citrate pre-plating nickel layer prepared from inside to outside of substrate, and trivalent chromium blue passivation layer and graphene sealing layer.

DENG Y, LAI H, GUO C, CHEN M

Processing high corrosion-resistant stainless steel strip for battery shell, comprises placing stainless steel strip in alkali liquid for ultrasonic cleaning, soaking cleaned stainless steel strip in cleaning solution, heat-treating, naturally cooling, and carrying out surface smoothing treatment.

JIANG X, MAO A, JI Y, DING F, XU W, YU X, YU J, WANG Y, SHAN C, FAN G