国家/地区 中国（9） 美国（9） 世界知识产权组织（8） 欧洲专利局（EPO）（5） 日本（5） 韩国（5） 印度（4） 巴西（3） 加拿大（3） 香港（3） 澳大利亚（2） 英国（2） 墨西哥（2）
IPC部 C（10）
IPC大类 C01（10） C08（4） B82（3）
C04（3） C09（3） H01（3）
B01（2） C10（2）
IPC小类 C01B（10）
IPC C01B031/04（10）
发明人 HASEGAWA S（2） KAMIYA N（2）
公开年 2015（4） 2016（4） 2017（2）
申请年 2015（10）
专利权人 GRAPHENE PLA.（2）

Production of graphene oxide involves locating graphite particles within electrochemical cell having working electrode, counter electrode, and aqueous acid electrolyte, and agitating graphite particles within electrolyte.

ZHONG Y, LI D, SIMON G P

Preparation of large-sized graphene involves ultrasonically treating mixture of graphite and concentrated sulfuric acid to obtain solution comprising upper graphene and lower concentrated sulfuric acid solution, and processing graphene.

FENG C, XU D

Composite ionically-conductive material used in e.g. power storage device, comprises graphene-like graphite exfoliated from graphite-based carbon material and ionically-conductive material dispersed in base material.

HASEGAWA S, KAMIYA N

Production of graphene used for electronic component, involves high-speed homogenizing dispersion solution containing expanded graphite and dispersing agent, preparing feed solution, and high-pressure homogenizing.

YANG S B, KWON W J, PARK S H, LEE M J, SOHN K N, YANG S, SOHN K, KWON W, PARK S, LI M

Graphene-reinforced polymer matrix composite for use in manufacturing an automotive, aircraft, watercraft or aerospace part, comprises a thermoplastic polymer matrix, and particles, e.g. graphite microparticles.

NOSKER T, LYNCH J, KEAR B, HENDRIX J, CHIU G, LYNCH J K, HENDRIKS J, ZHAO G

Preparation of expanded graphite or graphene for e.g. solar cell, involves adding raw material graphite to acid solution, washing expanded graphite, peeling wet expanded graphite and centrifuging graphene powder.

LU H, ZHANG J, CHEN Y

Preparing intercalated graphite interlayer by mixing graphite and sulfuric acid, placing mixture in connection pipe, entering into movable separator, adding graphene suspension, moving with movement of separator, and applying current.

LI Z, LIU H, REN L, WANG X, ZHANG Y, WEI J, ZHOU G, ZHANG S, ZHANG W, ZHANG X, IOSIBAUVIC K O, MARGINOVIC G S, GIMIFEOVICH C N, LEANIDAVIC P M, IVANOVIC S Y

Preparation of reduced graphene for e.g. flexible electronics involves heating expandable graphite under conditions sufficient to form expanded graphite comprising oxygen-containing groups, and contacting with carbon monoxide.

CZAJKA M, SHANKS R, HUGEL H

Particle for particulate material used for composite material, particle dispersion and article comprises stacked sub-structures in which each sub-structure includes stack of graphene layers.

WALTERS I, WALTERS D

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

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