国家/地区 韩国（19）
IPC部 C（19） B（12） H（8）
IPC大类 C01（19） B01（9） H01（6）
C09（3） C07（2） C23（2）
H05（2）
IPC小类 C01B（19）
IPC C01B032/194（19）
发明人 CHO M（2） CHO M G（2） CHO S M（2）
JEONG S（2） LEE G（2） OH H G（2）
OHHONGGI（2）
公开年 2023（19）
申请年 2021（13）  2022（5） 
专利权人 KOREA ELECTR.（2） MCK TECH CO .（2）

Hybrid graphene composite particles for lithium-ion battery, comprise graphene composite comprising mixed structure of primary microparticles bound to surface or inside of multilayer graphene, and secondary microparticles surrounded by graphene composite.

SHIM J S

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

Production of silver particle-graphene composite material used for heating device, involves adding N-methyl-2-pyrrolidone, and stirring, exfoliating and dispersing wet graphite to preparing graphene-containing composition, adding silver particles, and exfoliating and dispersing.

LIM K, NOH C, IMKIHYUN, ROH C

Manufacturing graphene composite structure by forming support body having observation unit corresponding to observation area and frame unit, and forming hydrophilic protective layer on upper surface of graphene layer by applying energy to graphene layer onto which organic component is transferred.

CHO S M, CHO M G, OH H G, CHO M, OHHONGGI

Wrinkle flattening unit for flattening wrinkles present in graphene composite structure, has rotation portion that comprises outer rotation unit having multiple suction holes communicating with branch passage and supporting one surface of composite structure.

CHO S M, CHO M G, OH H G, CHO M, OHHONGGI

Producing reduced graphene oxide scroll useful in energy storage field i.e. battery or supercapacitor, comprises dispersing reduced graphene oxide in ethyl alcohol, forming laminate with stacked reduced graphene oxides, and irradiating.

HYEONG K S, PARK C L, CHOI J M, KOBYUNGHWA

Producing core-shell composite used for electrodes in secondary batteries, comprises e.g. preparing active material paste by mixing hydrophobic particles and alcohol, and preparing spray solution by mixing dough with hydrophilic graphene.

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

Lithiation-induced porous palladium/nitrogen-doped graphene aerogel composite for highly reversible hydrogen storage, comprises nitrogen-doped porous carbonaceous structure and porous metal nanoparticle having pores.

KIM D W, CHOI J H, PARK M G, KANG J K, PARK M K

Preparing reduced acylated graphene oxide used in electrode active material of lithium secondary battery, involves subjecting graphene oxide to acylation reaction to prepare acylated graphene oxide, and reducing the acylated graphene oxide.

KIM D H, PARK S, YEON S, SHIN K, JIN C, HWANG S H, SEUNGHAE H, JIN C S, HEE S K

Colloidal suspension useful in e.g. adhesives, wiring electrodes, conductive fibers, and electrodes for energy storage devices comprises carbon nanomaterial and amine-metal complex compound having substituent including hydrocarbon.

CHUNG H J, KIMMIJUNG, KIMJUNGMO, PARK J H, SEO S, LEE G, JEONG S, HAN J