国家/地区 美国（8） 中国（7） 世界知识产权组织（7） 欧洲专利局（EPO）（5） 韩国（4） 日本（3） 台湾（2）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B032/194（8）
发明人
公开年 2015（7）
申请年 2014（8）
专利权人

A graphene composition comprises graphene, acid, oxidizing agent and specific nitrogenous organic compound.

KWON Y D, KIM K S, KIM K, KWON Y

Production of graphene involves forming liquid dispersion comprising dispersing agent, and carbon-based material comprising de-oxidized graphite, and continuously passing liquid dispersion through high-pressure homogenizer.

YOO K H, SOHN K N, KWON W J, LEE K S, YOO K, SOHN K, KWON W, LEE K

Preparation of large-piece graphene for e.g. electronic material involves performing layer inserting treatment on graphite powder under mild condition and presence of acid and oxidizing agent, and washing with dilute hydrochloric acid.

BAI Y, HU X, SHA X, SHA Y

Modification of graphene involves obtaining graphene having desired crystal size by repeating graphene modification process several times with subcritical or supercritical carbon dioxide.

DO S H, LEE J S, JEON S Y, KONG J H, DO SEUNG H, DO S, LEE J, JEON S, KONG J

Graphene-composite functional material for preparing e.g. piezoresistive material, comprises sulfonated graphene-grafted poly-3,4-(ethylene dioxythiophene).

BAO Y, CHEN S, CHEN Z, WANG J, XU G, YANG C, XING C, ZHOU C, LOU J, ZHU T

Producing a three-dimensional graphene composite used in a supercapacitor, comprises performing chemical vapor deposition of graphene on transition metal hydroxide to form three dimensional graphene foam and then dissolving in precursors.

JUN S C, SOHN J S, MAHADEV P U, BABASAHEB K S, LEE S C, PATIL U M, KULKARNI S B

Active material for use in cathode material of battery, conductive coatings and capacitors, comprises graphene-fibrous carbon composite.

CHIU G, FORAND A, GUERFI A, ZAGHIB K, ZHAO G

Preparation of graphene-based film used for device, involves forming layered structure by providing graphene-based film comprising sheets of graphene, graphene oxide and partially reduced graphene oxide.

LI D, YANG X