国家/地区 世界知识产权组织（29）
IPC部 C（29） B（11） H（11）
D（5）
IPC大类 C01（29） H01（10） B01（6）
C09（5） C25（5） B82（4）
C08（4） C10（2） D01（2）
D06（2）
IPC小类 C01B（29）
IPC C01B032/19（29）
发明人 ATKINS C A（2） LI C（2） LIN Q（2）
MIN R（2） RUAN D（2） RYOU M（2）
WANG Y（2） WU X（2） XU J（2）
公开年 2021（15） 2022（12） 2023（2）
申请年 2021（29）
专利权人 CARBON HOLDI.（2） GIEVER（2） GIEVER CO LT.（2） GUANGDONG BR.（2）
GUANGDONG BR.（2） HUNAN BRUNP .（2）

Production of silver particle-graphene composite material used for heating device, involves adding N-methyl-2-pyrrolidone, and stirring, exfoliating and dispersing wet graphite to preparing graphene-containing composition, adding silver particles, and exfoliating and dispersing.

LIM K, NOH C, IMKIHYUN, ROH C

Preparing graphene comprises mixing and stirring expanded graphite powder with hydrogen peroxide, then degassing, performing ultrasonic peeling, heating to decompose hydrogen peroxide, and then drying to obtain graphene.

LIANG Y

Powdered graphene formed by stacking graphene sheets useful in conductive composite material, anti-corrosion coating and heat dissipation composite material for lithium-ion batteries.

SUN S, ZHANG S, DONG W, GAO H

Producing graphene flakes by electrochemical exfoliation, comprises placing electrodes in electrolyte and electrolysis is carried out, then exfoliated graphene flakes are recovering from electrolyte solution by filtrating, washing with distilled water and dried and centrifuged.

GLUCHOWSKI P, KOWALCZYK J, STREK W, LE QUOC M, HUYEN D N, MINH L Q

Making water-soluble transfer stack by e.g. applying intercalating solution and transfer layer to growth stack, and delaminating water-soluble polymer film together with two-dimensional material layer to obtain delaminated film.

SHIVAYOGIMATH A, BOGGILD P, BOOTH T J

Making graphene material comprises dispersing graphite powder in solvent, shearing dispersion, heating sheared dispersion to reach supercritical conditions of solvent and maintain supercritical conditions and drying graphene material.

KALININA I, MEYERS D, RAYCHAUDHURI S

Conductive aid used in positive electrode for nonaqueous electrolyte secondary battery, comprises carbon material having graphene laminated structure, and resin, and is dispersed in N-methyl-2-pyrrolidone to form dispersion liquid.

KUNISAWA Y, SAWADA Y, MASUDA H

Method for preparing composition useful in car wax composition comprises providing liquid precursor comprising graphene and silica mixed in organic solvent and passing precursor through orifice comprising metal cylinder and flat metal plate.

SCHULTZ M A

Preparing graphene flake composition, by preparing expandable graphite, charging expandable graphite to furnace, sealing furnace, heating furnace by irradiating microwaves, maintaining temperature of expandable graphite by stopping microwave irradiation, and mixing graphene and binder polymer.

RYOU M, MIN R

Electrolyte composition used for exfoliation of graphite for graphene for conductive ink for 3-dimensional printing and supercapacitor, comprises quaternary ammonium salt, another quaternary ammonium salt, and electrolyte solvent.

LU J, LI J, WANG F