国家/地区 世界知识产权组织（5） 韩国（4） 中国（2） 美国（2）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01J（8）
IPC B01J019/12（8）
发明人 KIM B G（2） KIM S J（2） KIMSUNJOO（2）
LEE J G（2） PARK H（2） PARK J（2）
PARK S（2） YANG W S（2）
公开年 2023（8）
申请年 2022（5）  2021（2） 
专利权人 COWINDST CO .（2） KOREA ELECTR.（2）

Porous carbon material used in positive electrode for lithium-sulfur battery, has specific surface area and impurities removed through pretreatment using microwaves.

SONG M, PARK I, CHOI R, LEE H, KIM Y, PARK S, YANG S, MYUNGJUN S, PARK I T, KIM Y H

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

Depositing graphene or graphene oxide onto substrate from gaseous source of carbon precursor involves using plasma-enhanced chemical vapor deposition method, where carbon precursor consists of ethylene and the process is carried out in absence of carrier gas.

JOUIAD M, EL MARSSI M, LEJEUNE M

Graphene manufacturing apparatus comprises supply unit, moving unit, laser irradiation unit, and collecting unit connected to other side of moving unit to separate and collect graphene powder from graphite oxide powder or graphene oxide powder.

YANG W S, KIM S J, KIMSUNJOO, LEE J G, PARK H, PARK J, KIM B G

Manufacturing graphene comprises disposing graphite oxide powder or graphene oxide powder in laser irradiation area, irradiating laser to graphite oxide powder or graphene oxide powder and recovering graphene powder generated by irradiation.

YANG W S, KIMSUNJOO, LEE J G, PARK H, PARK J, KIM B G, KIM S J

Preparing graphene composite porous film by fractional laser treatment comprises adding nitrate solution to graphene oxide dispersion to obtain stable solution, dropping stable solution into glass mold, pressing to form film and subjecting film to two-step scanning using semiconductor laser light.

WU D, LAI Z, LEI J, ZHANG Z, YANG Y, SUN W, LI M, CUI J, ZHANG M

Preparing graphene nanofluids by microwave-coupled ultrasonic one-step method comprises immersing graphene precursor in solvent, pre-mixing, placing mixture in microwave reactor with ultrasonic function, carrying out microwave heating liquid phase exfoliation and adjusting appropriate pH.

QI G, GUO S, CHENG S

Production of solid carbon used in composition of matter, involves receiving carbon dioxide and water in reactor, dissociating carbon dioxide and water to form dissociated species, exposing dissociated species to electric field to facilitate reactions, generating and outputting solid carbon.

STOWELL M W, SIENKO L, STOWELL W M