国家/地区 中国（12） 韩国（5） 世界知识产权组织（2）
IPC部 B（18）
IPC大类 B01（18）
IPC小类 B01J（18）
IPC C01B032/194（18）
发明人 AHN S（2） WANG J（2）
公开年 2020（9） 2019（5） 2021（4）
申请年 2019（18）
专利权人 KOREA INST S.（3）

Graphene powder useful for manufacturing energy materials, electronic materials, capacitors, catalysts, gas sensors, biosensors and fuel cells, comprises graphite powder and graphene oxide.

KIM M J, DONG K, LEE H S, JANG S G, AHN S, CHUNG Y

Producing reduced graphene oxide comprises e.g. filling mixed solution for dispersing graphene oxide powder in chamber equipped with carbon-based conductive wire and applying electric power to electrically explode carbon material.

HWANG J Y, NAM J, GI L W, AHN S, LEE J O, LEEGEONHEE

Graphene-silicon airgel composite used as negative active material in lithium secondary battery, comprises silicon nanoparticles surrounded by reduced graphene oxide, and spherical composite dispersed in reduced graphene oxide.

YANG C M, KIM S Y, RYU J S, LEE M W, MINGOOK K, NA W

Device useful for processing graphene by plasma surface modification comprises e.g. vacuum chamber provided with air charging hole and air pumping hole, and counter electrode connected with radio frequency power supply system.

ZHANG B, JIN X, ZHU L, YU W, MA W, NIE J, LIU K

Producing graphene coated with ultra-thin carbon film, involves reacting graphene oxide in organic material solution, forming mesopores, providing heat treatment on graphene coated with polymer urea gel layer, and forming final product.

PARK J, SIK N J, MOHAMMAD S

Production device for producing graphene material, has feeding pipe whose lower end is extended into inner tank, and cover plate whose right side is connected with spray head, where top right side of shell is connected with water tank.

SUN S, ZHAO A, ZHOU A, GAO Q, ZHANG W, LIU D, SONG Y, GAO L, WANG G

Preparing graphene quantum dot reparing catalyst, energy storage device and biomedicine field comprises dispersing carbon powder in the solvent, laser irradiating the first product and centrifuging product to collect supernatant.

YANG G, WANG J, LIU P, LI Z, LIU C, WEI Z

Device for modifying graphene, comprises solid body, where upper part of reaction kettle body surface has central opening, which is arranged around central opening of feeding port, and liquid inlet port and connecting port.

XU C, LIN P

Bifunctional graphene aerogel used for photothermal seawater desalination or seawater uranium adsorption, comprises graphene sheets and plant tannin.

ZHANG X, WU F

Graphene antibacterial carbon sphere used in e.g. air purification, water purification, home living rooms, kitchens, bathrooms, refrigerators and washing machines, comprises graphene-grafted carbon powder, emulsifier and additives.

SHA Y, SHA X