国家/地区 中国（4）
IPC部 C（3）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 CHENG H（4） REN W（4） WU Z（4）
GAO L（3） LIU B（2） ZHAO J（2）
公开年 2011（3）
申请年 2009（4）
专利权人 CHINESE ACAD SCI METAL RES INST（4）

Method for cutting graphene in boundary selectivity way, involves providing heterojunction with boundary, where bandwidth of graphene, width of heterojunction and size of quantum point are in nanometer level.

CHENG H, WU Z, GAO L, REN W, LIU B

Mass preparation of large-size graphene includes weak oxidizing large-size graphite by modified Hummers method, stripping by weak ultrasonic-assisted or oscillating method, separating, and reducing by hydrazine or hydrazine hydrate.

CHENG H, ZHAO J, WU Z, GAO L, REN W, PEI S

Preparing graphene strip involves using Hummers method to obtain oxidized graphite, where selective modified line detect is used on surface containing oxygen function group during graphite oxidation.

CHENG H, ZHAO J, WU Z, GAO L, REN W, LIU B

Electrode material manufacturing method for graphene soft super capacitor, involves sedimentating surface of graphene membrane with conductive polymer or transition metal oxide to produce graphene compound membrane.

LI F, WANG D, CHENG H, WU Z, REN W