国家/地区 韩国（7） 世界知识产权组织（3）
IPC部 C（5） H（5） B（4）
IPC大类 C01（3） H01（3） B32（2）
IPC小类 C01B（3） B32B（2）
IPC
发明人 LEE S（9）
公开年 2020（4） 2021（3） 2019（2）
申请年 2019（9）
专利权人

Graphene, obtained by preparing graphite interlayer compound by reacting graphite with acid, forming protective layer on surface of graphite interlayer compound by reacting graphite interlayer compound with organic solvent.

HONG I P, LEE S, AN J C

Sheet used as material for heat dissipation device, comprises layer comprising thermally conductive particles and layer-forming material, another layer comprising adhesive layer comprising thermally conductive particles, and plastic film.

LEE S

Device for harvesting the electric energy from sunlight on a sunny day and electric energy in rainy weather, comprises solar cells that generate electric power by receiving sunlight, and intermediate capacitor is connected to second node.

KIM D S, LIM H E, HYEON Y D, PARKSEONGCHOL, SHIM J Y, CHOI D W, LEE S

Composition useful for separating ethane and ethylene, comprises pores and carbon structure having single layer of graphene with pore.

CHANG J S, LEE S, UHWANG L, YOON J W, CHO G H

Manufacture of graphene oxide used in e.g. filter for water purification, involves placing purified coal powder in mild oxidation atmosphere at elevated temperature with respect to room temperature for preset time period.

MAHAJAN R L, LEE S

Reduced graphene oxide useful in electrochemical device, has specified percentage of total specific surface area of pores measured by Barrett-Joyner-Halenda method.

LEE J H, PARK H S, LEE S G, LIM J C, HYUN L J, HUNSOO P, LEE S, LIM J

Graphene laminate useful in electrode material for electronic device e.g. touch panel and organic thin film transistor, comprises substrate, first layer containing graphene, and second layer containing conductive polymer and binder resin.

LEE S, CHOI Y, KIM S Y, JEONG D W

Method for forming semiconductor device e.g., transistor, involves transforming portion of carbon layer to graphene during annealing, removing metal layer and etching graphene to define channel and source/drain region from graphene.

LIN M, LIN S, LEE S

Active material for positive electrode for secondary battery e.g. lithium secondary battery, comprises core comprising lithium-metal-oxide, and coating layer comprising carbon-based particles including graphene sheet structure, and oxygen.

KIM S K, JEON H L, KIM T G, JUNG W M, LEE S W, KON K T, LEE S O, JIN S, QUAN H, JIN T, ZHENG W, LEE S