国家/地区 韩国（4）
IPC部 B（4）
IPC大类 B01（4） C01（4） H01（2）
IPC小类 B01J（4）
IPC B01J019/12（4）
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（4）
申请年 2021（2）  2022（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

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