国家/地区 韩国（10）
IPC部 C（10） B（4） H（4）
IPC大类 C01（10） B01（4） H01（4）
IPC小类 C01B（10）
IPC C01B032/198（10）
发明人 LEE J（2） YANG S（2）
公开年 2023（10）
申请年 2021（7）  2022（3） 
专利权人

Classifying graphene oxide comprises classifying graphene oxide contained in graphene oxide dispersion by controlling pH of graphene oxide dispersion containing graphene oxide.

AN K, LEE S S, MYUNG S, SEOG S, MIN L S, GI S G

Producing closed-shell thermally reduced graphene oxide useful as material for soundproofing and buoys, comprises e.g. acid treating graphite, heat-treating graphene oxide, and coating thermally reduced graphene oxide with coating agent.

CHOI J Y

Manufacturing semiconductor useful in filed of power conversion devices, electric and electronic systems, comprises e.g. implanting dopant into semiconductor, capping material into two-dimensional honeycomb, and heat treating.

KIMSEONGJUN, KANG M J, SHIN H K, LEE N S, JAE P Y, SUNG M J

Heat dissipation sheet useful for display component comprises heat dissipation layer formed of polymer sheet containing graphene particles, and first adhesive layer located on top of heat dissipation layer.

YOO T H, LEE J, JOH B J, PARK M W, PARK M, CHO B, LIU T

Reduced graphene oxide used in electrode for secondary battery, comprises crystalline reduced graphene oxide in powder form having two-dimensional structure.

JEONG S Y, YANG S H, LEE G W, KIM I J, KIM B G, RYU J H, LEE H J, JEONG S, YANG S, LEE G, KIM I, KIM B, RYUJIHYUN, LEE H, JUNG S Y

Manufacturing graphene oxide thin film comprises preparing graphene oxide suspension by diluting graphene oxide in solvent, preheating graphene oxide suspension, coating graphene oxide suspension and oxygen plasma treating.

KIM T H, KIMCHERHUE

Manufacturing crystalline graphene oxide comprises preparing powdery carbon structure through hydrothermal synthesis, dispersing in solvent, and preparing crystalline graphene oxide by irradiating light to dispersed carbon structure.

LEE J

Manufacture of pore structure ceramic nanoparticles in manufacture of pore structure ceramic nanoparticles-carbon allotrope composite, involves generating mixed solution by adding surfactant to solvent, generating another mixed solution and adding surface modifying additive to another mixed solution.

LEE Y J, JEONG S H, LEE Y

Positive electrode for lithium-sulfur battery, comprises positive electrode current collector and positive electrode active material layer positioned on at least one surface of positive electrode current collector.

KANG D Y, YANG S, LEE C, SONG M, MYUNGJUN S, LI C, KANG D

Production of graphene oxide involves mixing graphite with strong acid, mixing with strong oxidizing agent, converting obtained exfoliated graphite oxide into graphene oxide by applying heat, removing residual materials, washing with water, and pulverizing into particles by vacuum-freeze-drying.

SHIN T, HWANG G B, SHIN J, YOO J, SHIN T H, SHIN J H, YOO J H