国家/地区 韩国（6）
IPC部 B（4） C（4） H（3）
IPC大类 C01（3） H01（3） B01（2）
B82（2）
IPC小类 C01B（3） B01J（2） H01M（2）
IPC C01B031/02（3）
发明人 KIM B S（6）
公开年 2013（3） 2014（3）
申请年 2012（6）
专利权人 POSCO（2）

Preparing graphene, comprises primarily irradiating electron beam on graphite, immersing the pure graphite in sulfuric acid, and removing remaining impurities by filtering and then performing ultrasonication on the graphite with surfactant.

KIM H Y, PARK M R, KIM B S, JEONG I S

Preparing graphene e.g. single layer graphene, uses in electrode of lithium ion battery, comprises supplying raw material gas containing carbon-containing compound to silicon oxide nanowires, and growing graphene on surface of nanowires.

PARK J J, KIM B S, JEON S H, WHANG D M

Metal substrate, useful in organic LEDs, comprises a graphene oxide composite layer formed on a surface of an iron-nickel alloy substrate.

KIM J Y, SON C Y, LEE J K, CHOI J H, KIM B S

Manufacture of oxidized layer of magnesium-based metal material involves forming graphene coating layer on magnesium-based substrate, irradiating plasma, forming oxide layer using source gas, and applying cathode in substrate.

JEONG H J, KIM B S, CHOI S H, CHOI J H, LEE J K

Graphene paper, useful in e.g. a thin-film electrode, comprises a reduced graphene oxide layer, and a coating layer formed by coating the reduced graphene oxide layer with a polymer comprising substituted ethyl-benzene compounds.

LEE W, LEE J U, YI J, LEE S, BYUN J, KIM B, YI J W, LEE S B, BYUN, KIM B S, BOK L S, HYEONG B J, O L W, SEON K B, UK L J, U LEE J, BYUN J H

Catalyst for oxygen-reduction electrode of e.g. metal air battery, comprises oxidation graphene nanosheet which is reduced by dipping sheet in ionic liquid, supported by metal or metal oxide nanoparticles as carrier.

KIM B S, CHO J P, KON S, LEE J, LEE T M