国家/地区 韩国（4） 世界知识产权组织（2）
IPC部 C（4）
IPC大类 C01（4） H01（4） B01（2）
IPC小类 C01B（4）
IPC C01B032/05（3） H01M004/36（3） H01M004/62（3）
发明人 LEE H（4）
公开年 2023（4）
申请年 2021（3） 
专利权人 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

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

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

Preparing graphene useful in transistor, comprises supplying substituted alkyne based precursor to chamber including first zone and second zone, vaporizing or sublimating precursor in first zone, and depositing sublimed precursor.

LEE H Y, SEO S, CHOI J, LEE H