国家/地区 中国（7） 日本（3） 欧洲专利局（EPO）（2） 西班牙（2） 韩国（2） 台湾（2） 美国（2） 世界知识产权组织（2）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8） C22F（8） C22C（5）
B21B（2） B82Y（2） C21D（2）
C23C（2） C23F（2）
IPC C22F001/02（8）
发明人 CHIBA G（2） CHIBA Y（2） WANG X（2）
公开年 2021（4） 2013（2）
申请年 2012（3）  2021（3） 
专利权人 JX NIPPON MI.（3） NIPPON MININ.（2） NIPPON MININ.（2）

Preparing nitrogen-doped graphene comprises taking ionic liquid as precursor, spin-coating ionic liquid on the annealed copper foil in argon/hydrogen atmosphere and preparing nitrogen-doped graphene by high-temperature thermal decomposition.

GUAN S, WANG X, LI S, PENG Y

Boron-doped graphene reinforced copper-based composite material, is doped with boron on graphene sheet to form boron-doped graphene which is distributed in copper substrate, and copper-boron-carbon bond.

YANG M, LI T, LIU W, WANG Y, HOU H

Vertical graphene composite heat conducting copper foil comprises copper foil substrate layer adhered with two plane graphene layers at surface and bottom, where surfaces of plane graphene layers have vertical graphene layers.

ZHANG L, YE Q, WANG X, SHEN L

Preparation of graphene nano-narrow band by electrifying aluminum sheet as cathode and copper foil as anode into electrolytic polishing solution, drying copper foil, photoetching and patterning with graphene and hydrogen plasma etching.

CHEN C, HE Z, JIANG S, SHI F, WANG G, ZHOU Q

Preparation method for preparing graphene-metal composite material involves stacking graphene-metal composite raw material and sintering graphene-metal composite raw material to produce graphene-metal composite material.

ZHANG J, BAI H, XIONG L, LUO J, CHEN G, JIANG D, HANG C

Copper foil for manufacture of graphene used for e.g. separator, has sum total of crystal grain boundary length below preset value after heating under preset conditions in atmosphere containing hydrogen and argon.

YAMAJI T

Copper foil used for manufacturing graphene, comprises copper with specific purity.

CHIBA Y, ONO T, CHIBA G

Copper foil used for manufacturing graphene, has glossiness or more than preset value, and average grain size more than preset value after being heated in atmosphere containing hydrogen and argon at specific conditions.

CHIBA YOSHIHIRO, CHIBA Y, YOSHIHIRO C, CHIBA G