国家/地区 中国（4）
IPC部 C（4）
IPC大类 C25（4） C22（2） C23（2）
IPC小类 C25D（4）
IPC C22F001/02（2） C22F001/08（2）
发明人 ZHANG Z（4）
公开年 2021（4）
申请年 2021（3） 
专利权人 SONGSHAN LAK.（2）

Cathode roller useful in electrolytic copper foil mechanism for preparing electrolytic copper foil, comprises annular base copper foil formed on peripheral wall of roll-shaped main body and is electrically connected to main body, and graphene film formed on surface of copper foil of base material.

WANG E, HE M, YUE X, HUANG Z, DING Z, ZHANG Z, LIU K

Aluminum alloy surface anti-heat cracking processing by preparing heat cracking composite oxide film on surface of aluminum alloy, where heat cracking resistant composite oxide film includes zirconium and cerium chemical oxide film.

WEI G, ZHU B, SUN Z, YANG Y, ZHANG Z, JIANG L

Board comprises first copper foil, graphene layer and second copper foil, second copper foil is electroplated copper.

LIU K, DING Z, ZHANG Z, KOU J, HUANG Z, YUE X, CHEN Y, WANG E

Preparing graphene oxide self-sealing micro-arc oxidation film layer comprises e.g. preparing electrolyte-containing graphene oxide, and placing light alloy substrate in electrolyte for micro-arc oxidation to obtain ceramic film layer.

CHEN Y, GUO Z, YANG Z, WANG N, ZHANG Z, ZHANG L, ZHAO Q, CHEN H, HAO J