国家/地区 世界知识产权组织（6） 日本（5） 中国（4） 韩国（3） 美国（2）
IPC部 C（16）
IPC大类 C01（16） C09（5） H01（4）
C04（2） H05（2）
IPC小类 C01B（16）
IPC C01B032/225（16）
发明人 KOBAYASHI H（2） LI X（2） TOYODA M（2）
ZHOU Y（2）
公开年 2022（16）
申请年 2021（7）  2022（7）  2020（2） 
专利权人 KOBAYASHI H（2） UNIV OITA（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

Producing graphene composite film useful in heat dissipation material for ultra-large-scale consumer electronics, comprises vacuum pressing an expanded graphite powder and a graphene film to obtain the graphene composite film.

ZHOU Y, LIU X, WANG W, LI L, CHENG W

Producing heat dissipation material, comprises preparing porous carbon material by calcining carbon material, preparing alkylated ceramic filler by reacting ceramic material with alkyl alcohol, and filling pore with alkylated ceramic filler.

HOUN K J

Preparing aqueous-based graphene dispersion using shear stabilization used in car care product, involves providing composition comprising water, graphene powder, super wetter surfactant and water dispersible rheology agent to obtain aqueous mixture, shearing aqueous mixture to break down graphene.

SCHULTZ M A

Producing exfoliated graphite, by mixing alkali metal source and graphite in organic solvent other than alcohol to produce a graphite intercalation compound, contacting graphite intercalation compound with solvent, and subjecting object to be processed containing product to wet jet mill treatment.

MINAI H, HANEDA N, TOYODA M

Flaky graphite-polythiophene composite used for forming corrosion-resistant coating material, comprises flaky graphite which is laminate of graphene or graphene sheets, and polythiophene derivative.

FUKUI H, KUDO T, YOSHITANI H, MARUYAMA T, MATSUI M, KUSAMOTO Y, MORI A, TOYODA M, NANRI K

Preparing graphene with large sheet diameter and high conductivity, comprises e.g. adding graphite, concentrated sulfuric acid and expansion agent into reaction vessel, mixing evenly, statically expanding, reacting, adding peeling aid, peeling filtering, washing and drying.

LIU B, PENG T, WANG Y, SUN H

Producing graphene from spent lithium-ion battery, by applying acid leaching solution to anode of lithium-ion battery to produce expanded graphite, applying hydrothermal process to expanded graphite and subjecting purified graphite to shear mixing contemporaneously combined with hydrogen passivation.

LI X, ZHOU Y, GAO Z

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

Manufacture of reduced graphene oxide during manufacture of conductive thin film, involves pre-treating expandable graphite by dispersing in dispersion solvent, pulverizing, and heat-treating, acid-treating pre-treated expandable graphite to obtain graphene oxide, and reducing graphene oxide.

TAE O, PARK S Y, CHEY G Y, OH W