国家/地区 美国（8） 中国（6） 世界知识产权组织（6） 欧洲专利局（EPO）（5） 韩国（5） 日本（4） 台湾（3） 澳大利亚（2） 加拿大（2）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 C01B（9）
IPC C09D005/24（9）
发明人
公开年 2015（3）
申请年 2014（3）  2019（2） 
专利权人

Storing or transporting graphene oxide involves carrying out wet spinning of graphene oxide spinning solution to coagulating bath to obtain graphene oxide pellets, drying, storing or transporting, and re-dispersing pellets.

JOO Y L, CHANG C, ZAMANI S, JUNG W, KANG T, PARK S, JOOYONGLAK, SOMAYEH Z, SIK C, KANGTAECHOONG

Graphene having polynitrogen coordination structure useful for electrocatalytic reaction of carbon dioxide, oxygen and formaldehyde comprises tomic layers of carbon, oxygen, nitrogen, hydrogen and other elements and catalytic active site.

WANG J, ZHANG T, ZHANG H

Preparation of binder slurry for electrode used in energy storage device, involves mixing halogenated graphene nanoplatelets having specific graphene layers, and polar solvents to form nanoplatelet slurry, and combining slurry and binders.

ZHANG Y, TANG Z

Obtaining stable dispersion of graphene, graphite, and amorphous carbon involves preparing alkaline solution by adding sodium hydroxide in water, cooling obtained solution, and adding sodium hydroxide and microcrystalline cellulose.

GALEMBECK F, SILVA FERREIRA E

Graphene dispersant used in e.g. preparation of graphene composite powder, and graphene composite film, comprises polyaniline oligomer or derivative which is electroactive polymer, and combines with graphene via pi-pi bond.

DAI L, GU L, YU H, ZHENG Y, MA J, ZHAO H, LIU S, DING J

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

Preparing graphene oxide film, used to prepare e.g. dual-layer graphene-oxide film, includes concentrating graphite oxide aqueous slurry, depositing obtained gel slurry on low-friction surface and spreading by bar coating and drying.

CRUZSILVA R, MORELOS A, TERRONES M, ELIAS A L, PEREALOPEZ N, ENDO M

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y

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