国家/地区 韩国（10）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C01B032/184（10）
发明人 KIMYONGHWAN（2） NA C（2） YOON S（2）
公开年 2021（3） 2015（2） 2020（2） 2022（2）
申请年 2020（3）  2014（2）  2019（2）  2021（2） 
专利权人 KOREA INST I.（2）

Manufacture of hollow graphene ball for dry powder plating, involves dispersing transition metal powder in polyhydric alcohol, secondarily polymerizing by dispersing primary polymerized transition metal powder in saccharides, forming transition metal graphene powder, and etching.

MYUNGYOON, NA C, KIMYONGHWAN, KIMGAWON, YOON S

Manufacture of graphene heat dissipation film, involves preparing substrate, supplying reactant gas and carrier gas containing carbon, and performing plasma, where plasma is electron cyclotron resonance plasma, microwave plasma or radio frequency plasma, and carrier gas has preset flow rate.

SONG Y L

Method for manufacturing graphene heat-conducting foam cotton, involves drying graphene oxide slurry to obtain graphene oxide, and carbonizing and graphitizing graphene oxide to obtain directionally arranged graphene heat conducting foam.

HAO Z, CAI J, ZHENLIANG H, JINMING T

Method for manufacturing diamond-graphene hybrid thermal management material, involves converting predetermined thickness of partial area of one side or both sides of diamond base material into vertical graphene, where diamond base material serves as heat spreader.

JU H, LEE J K, SU J

Device for converting carbon pill into graphene used for producing turbostratic graphene, comprises space between electrically conductive surfaces to support carbon pill in space, electrodes coupled to conductive surfaces and power supply.

MANCEVSKI V, VLADIMIR M

Three dimensional graphene ball used in composition for shielding electromagnetic waves, comprises coating layer for coating carbon balls derived from carbohydrates with silver particles, and graphene region formed between coating layer.

NA C, ARAM K, KIMYONGHWAN, YOON S

Producing graphene-metal oxide nanoparticle composite material, comprises preparing solution containing graphite oxide, mixed solution by mixing metal precursor containing solution and neutral metal atom in solvent and heating.

KIM K W, JEE Y, LEE S H

Preparation of graphene thermally conductive film involves coating slurry prepared by dissolving graphene oxide powder in solvent, and defoaming resultant, on substrate, drying, winding, trimming, heating, cooling, and vacuum rolling.

ZHOU B, ZHOU R, LI F, LU J

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y