国家/地区 世界知识产权组织（18）
IPC部 C（18） H（6） B（5）
D（2）
IPC大类 C01（18） H01（6） B82（3）
C09（3） B01（2）
IPC小类 C01B（18）
IPC C01B032/19（18）
发明人 MIN R（2） RYOU M（2）
公开年 2022（18）
申请年 2021（12）  2022（4）  2020（2） 
专利权人 GIEVER（2） GIEVER CO LT.（2）

Graphene material used in substrate for sustained release of non-aqueous component, having specific total porosity and open porosity.

MURAMATSU K, TAKAHASHI K, IWATA H, SUTANI K, YABUMOTO H, IWATA E

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

Production of graphene and/or graphene oxide for graphene materials, involves providing copper-based sheet coated with carbonaceous material, providing bath comprising aqueous solution, applying reversed voltage to exfoliate from carbonaceous material.

CARLSSON A

Producing flaked graphene comprises performing intercalation and exfoliation of graphite in a liquid by continuous stirring of the components by sonication.

ZDROJEK M, DANIEWSKI A R, DUZYNSKA A, OJRZYNSKA M

Producing graphene comprises mixing expanded graphite in liquid to provide mixture, and exfoliating expanded graphite by exposing mixture to high shear mixing assembly.

BOHM H L M, BOHM S

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

Producing graphene used e.g. in filter, involves providing polymeric graphene precursor comprising donor atoms, subjecting polymeric graphene precursor to bulk thermal heat treatment to produce graphene and subjecting graphene to mechanical exfoliation treatments.

HUANG Y, LI L

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