国家/地区 韩国（11）
IPC部 C（11）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C01B032/198（11）
发明人 JANG B Z（3） ZHAMU A（3） KIM G H（2）
KIM J（2） LIU H（2） YOO H（2）
YOO H J（2）
公开年 2021（3） 2017（2） 2020（2）
申请年 2019（3）  2015（2）  2020（2） 
专利权人 JANG B Z（3） NANOTEK INST.（3） ZHAMU A（3） POSCO（2）
UNIST ULSAN .（2）

Carbon steel material useful for heat sink in electrical and electronic devices comprise carbon steel substrate, and reduced graphene oxide coating layer formed on the carbon steel substrate.

DOW H S

Producing reduced graphene oxide comprises e.g. preparing first substrate, preparing seedlac solution by mixing seedlac with solvent of alcohol, aliphatic hydrocarbon, alicyclic hydrocarbon and aldehyde, and heat-treating first substrate.

KIM G H, SHARLIK R J

Method for manufacturing graphene-coated steel sheet, involves modifying steel sheet to have negative charge and forming of first graphene oxide layer is performed using graphene oxide dispersion modified with amine group.

YOO H, KIM J, BAEK J, BYEON C, YOO H J, SU K J, BAEK J H, BYEON C S, BAI J, LIU H

Composite powder useful for powder metallurgy and additive manufacturing processes, comprises particles with a core of an iron based material and a coating of a graphene based material.

JANSSON U, TIDEN S, TAHER M, DIAZ L, REMONEN T, JANSSEN U

Microball complex useful in cathode of lithium secondary battery comprises microballs having three-dimensional carbon nanotube matrix structure, graphene and silicon nanoparticles, and carbon coating layer.

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

Producing reduced graphene oxide by providing carbon material, providing substrate adjacent to provided carbon material, heating carbon material, and depositing carbonaceous material on substrate.

KIM G H

Patterning metal on graphene oxide material surface, comprises irradiating surface of graphene oxide material with laser to reduce laser irradiated graphene oxide surface portion, and plating reduced graphene oxide surface with metal.

PARK S Y, SU Y C, YANG J U, CHO Y J, CHO K

Producing thin film graphene oxide-bonded metal foil current collector for battery or supercapacitor, comprises preparing graphene oxide gel, dispensing and depositing layer of gel onto primary surfaces of foil, removing and heat treating.

ZHAMU A, LIN Y, JANG B Z

Producing highly conducting film of highly oriented conductor-bonded graphene sheets, useful in thermal management device, comprises e.g. preparing graphene dispersion having discrete graphene sheets dispersed in fluid medium.

ZHAMU A, JANG B Z

Production of integrated layer of highly oriented halogenated graphene sheets or molecules used as dielectric material component for microelectronic devices involves preparing graphene oxide dispersion or gel having graphene oxide sheets.

ZHAMU A, JANG B Z, ZHAMUARUNA