国家/地区 世界知识产权组织（8）
IPC部 C（8）
IPC大类 C01（8） H01（4） B01（2）
C25（2）
IPC小类 C01B（8）
IPC C01B032/215（8）
发明人
公开年 2017（2） 2023（2）
申请年 2022（3）  2016（2） 
专利权人

Purification of graphitic material used for negative electrode material, involves electrochemically treating crude graphitic material comprising impurity chosen from metal and metal oxide, using predetermined electrolyte, predetermined anode composition and predetermined cathode composition.

CORNEJO A, ROY A K, LO V C, CHIVERS B, NOORBEHESHT N

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

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

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S

Graphene nanosheets prepared by injecting carbon-containing substance into thermal zone of plasma to nucleate the graphene nanosheets, and quenching the graphene nanosheets, used for energy storage, filler and conductive ink applications.

KROEGER J, LAROUCHE N, LAROUCHE F, BALMAYER M

Production of graphene and graphite nanoplatelet structure used as e.g. electronic component, involves passing current through electrochemical cell to intercalate ions into graphitic negative electrode of cell so as to exfoliate electrode.

ABDELKADER A, KINLOCH I, DRYFE R

Industrial method of producing large-scale quantities of graphite oxide, graphene oxide, and/or graphene for use as e.g. catalysts involves ultrafine grinding, flotation purification, graphite oxidative transformation, and purification.

JALBOUT A

Carbon material used for manufacture of resin compound material, comprises volatile component having graphene structure and volatilized at preset temperature.

SAWA K, HAMADA T, MUKOHATA D, INUI N