国家/地区 美国（10） 世界知识产权组织（6） 欧洲专利局（EPO）（5） 韩国（5） 中国（4） 日本（4） 台湾（3） 西班牙（2） 法国（2）
IPC部 C（14）
IPC大类 C01（14）
IPC小类 C01B（14）
IPC C01B031/04（14）
发明人 CHO M S（2） LEE S J（2） LEE Y K（2）
LI L（2） SU C（2）
公开年 2012（6） 2013（5） 2011（3）
申请年 2011（14）
专利权人 ACAD SINICA（2） COMMISSARIAT.（2） UNIV SUNGKYU.（2）

Preparing graphene i.e. free of metal contamination and magnetic and organic impurities, used to make battery, comprises reacting graphene oxide dispersion in a solvent, with tin compound and optionally with acid compound, and acid washing.

DUBOIS L, GAMBARELLI S, NANJUNDAN A

Copper foil for manufacture of graphene for e.g. transparent electrode, conductive thin film of display element, mercury-free fluorescent lamp and carrier of drug delivery system, includes specified amount of preset plane on surface.

KOBIKI T, SAKAGUCHI K, KOHIKI M

Producing multi layer graphene/conductive polymer complex, comprises doping expanded graphite to dopant, dispersing doped expanded graphite within organic solvent to obtain doped graphene, and applying voltage in the organic solvent.

GWAN L Y, JEONG L S, SUK C M, CHO M S, LEE S J, LEE Y K

Electrodeposition of graphene layer involves doping graphite, dispersing doped graphite in solvent and applying voltage to solvent containing graphite to electrodeposit graphite.

CHO M S, LEE S J, LEE Y K

Preparing graphene sheets involves immersing, in a solution of electrolyte, two electrode portions including carbon material or metal, where electrolyte is e.g. acid, anionic surfactant; and causing potential to exist between electrodes.

LI L, SU C

A method for preparing graphene involves intercalating the graphite material with the first bias voltage and obtaining the solid portion from the electrolyte solution.

LI L, SU C, LI L J, SU C Y, WU F Y

Method for transferring layer of graphene from transitional metal substrate onto target substrate, involves conforming layer of graphene to target substrate to form graphene on substrate assembly by applying hydrostatic pressure.

YAGER T A

Producing intercalating, expanded, and/or exfoliated graphite or graphene species comprises electrolysis utilizing electrode materials comprising graphite, where graphite layers are oriented to plane of a surface of the electrode.

STIRLING C

Producing graphene oxide nanoplatelets and derived products, comprises e.g. dosing e.g. a hydrocarbon or mixture of hydrocarbons, placing dosed compounds inside a furnace, and obtaining intermediate material comprising carbon nanofilaments.

MERINO S C, MARTIN G I, VARELA R H, MERINO A M D P, MERINO SANCHEZ C, MARTIN GULLON I, VARELA RIZO H, MERINO AMAYUELAS M D P, RIZZO H V, SANCHEZ C M, OMARYERAS M D P M, GULLION I M

Electrochemical process for synthesis of graphene in the form of ribbons, layers and urchins from carbon nanotubes, by dispersing carbon nanotubes in ethanol, oxidizing nanotubes in conducting solution by applying a positive potential.

SHINDE D B, PILLAI V K, PILLAI V, SHINDE D