国家/地区 中国（4） 世界知识产权组织（3） 印度（2）
IPC部 C（9） B（3） H（3）
IPC大类 C01（9） H01（3） B01（2）
IPC小类 C01B（9）
IPC C01B032/23（9）
发明人
公开年 2023（9）
申请年 2022（5）  2021（3） 
专利权人

System used for producing graphene oxide, comprises filtering unit having layer thickness adjusting unit configured to apply force to cake layer for adjusting deposited thickness of cake layer containing graphite oxide trapped in filtering filter.

ATSUSHI H, TAKAO M, TSUKASA K, HAYASHI T, MIYAZAWA T, KIYONAGA T

Manufacture of crystalline reduced graphene oxide used in flexible electronic devices, involves exposing graphene oxide to ultraviolet, visible, or infrared radiant energy.

SURANA K, SONI S S

Cleaning graphite oxide without involving hydrochloric acid, comprises e.g. oxidizing graphite by chemical methods, diluting with water, collecting filter cake, washing filter cake with water, adding water and hydrogen peroxide for slurry, and performing solid-liquid separation.

CHENG H, PEI S, HUANG K, REN W

Oxidation of flake graphite with high efficiency and isothermal gradient, comprises e.g. adding flake graphite into concentrated sulfuric acid in reactor, mechanically stirring, adding potassium permanganate, heating, adding hydrogen peroxide and performing solid-liquid separation.

YANG W, CHEN J

Graphite oxide having specific carbon/oxygen atomic ratio, used for preparing sulfonated oxidation graphene which is stably dispersed in weak electrolyte.

SU F, XU Z, CHEN X

Water separation membrane used for water purification for military operation missions and for humanitarian relief to disaster-ridden, comprises support substrate and graphene oxide membrane, graphene oxide membrane including graphene oxide nanosheet bonded to adjacent graphene oxide nanosheet.

HU M, MI B

Composite graphite material used in negative electrode of secondary battery, comprises main particles comprising artificial graphite and coating layer comprising amorphous carbon, and has preset air oxidation temperature.

HE L, KANG M, MENG K, HERIVING

Fabricating reduced graphene oxide for electronic device e.g. supercapacitors, batteries, electrodes and photovoltaic devices, involves coating portion of substrate with fire retardant liquid, drying coated substrate and irradiating portion of substrate with beam of electromagnetic radiation.

KUMAR P S, GOEL S

Process used for purification of graphite material, involves subjecting graphite material to oxidizing conditions, subjecting metal sulfide-lean graphite material to carbochlorination, and purging metal chlorides from metal chloride-rich graphite material, thus obtains purified graphite material.

BOISVERT R, BOULANGER P, BRASSARD M, DESAULNIERS E, NORVAL G, RIECKMANN P, TAN A, TAN Z