国家/地区 欧洲专利局（EPO）（6） 美国（5） 中国（4） 日本（4） 韩国（4） 世界知识产权组织（4） 加拿大（2） 西班牙（2）
IPC部 B（7）
IPC大类 B82（7）
IPC小类 B82Y（7）
IPC B82Y040/00（7）
发明人
公开年 2013（5） 2015（2）
申请年 2013（7）
专利权人

Preparing anthracite based graphene oxide comprises e.g. preparing ultra-clean anthracite powder, adding dispersant, carrying out ultrasonication to prepare dispersion liquid, and preparing graphene oxide colloid solution.

ZHANG L, ZHANG M

Preparation of graphene foam used for cigarette tar harm reduction by preprocessing amino or thiol-surface treated graphene, adding into polymeric microsphere suspension by mechanical stirring or ultrasonic dispersing, and calcining.

WANG L, YANG G

Graphene powder for preparing lithium ion battery electrode, comprises compound having catechol group that adsorbs on graphene, e.g. catechol, dopamine hydrochloride, 3,4-dihydroxyphenylalanine, noradrenalin, and caffeic acid.

SUN P, LIU G, WU Z, WU G, TAMAKI E, KUBOTA Y

Making graphene powder useful in carbon-based electrical devices involves preparing graphene solution in which graphene particles are dispersed in a solvent; aggregating the particles; separating aggregated particles from solvent and drying.

LEE S, LEE D, SEO B, BYUN N

New imidazolidine-type compound used for mixed ionic liquid for preparation of graphene dispersion liquid for electronic component e.g. energy storage electrical appliance and lithium-ion secondary battery.

AIDA TAKUZO, PARK CHIYOUNG, RAVI SAISUWAN, MATSUMOTO MICHIO, AIDA T, PARK C, RAVI S, MATSUMOTO M

Chemical reduction of graphene oxide useful in industrial application for its increased electrical conductance involves using hypophosphorous acid and/or hypophosphite ions as reducing agents and sulfur dioxide, sulfurous acid as catalyst.

LIPINSKA L, JAGIELLO J, KOZINSKI R, BATIJEWSKI R, NAJDEKER E

Production of graphene and graphite nanoplatelet structures involves passing current through cell comprising graphitic negative electrode; optionally graphitic positive electrode; and electrolyte with organic ions and metal ions as cations.

DRYFE R A W, KINLOCH I A, ABDELKADER A M, JEFF R A W