国家/地区 韩国（6）
IPC部 C（6） B（2）
IPC大类 C01（3） C08（3） C09（3）
IPC小类 C01B（3） C08K（3） C09D（3）
IPC C08K003/04（3） C01B017/26（2） C09D005/00（2）
C09D007/61（2）
发明人 BYEON C S（2） JOO K B（2） KIM J（2）
KO Y（2） LEE S H（2） PARK J K（2）
PARK W（2） SEO H（2） SON Y K（2）
SU K J（2） YOO H J（2）
公开年 2022（4） 2021（2）
申请年 2020（6）
专利权人 POSCO（6）

Producing lithium sulfide useful in next-generation battery field, comprises performing heat treatment by heat-treating mixture of lithium sulfate and reducing agent powder and heating lithium sulfide obtained by reducing lithium sulfate.

SEO H, SON Y K, JEONG S H, YEO I G, JOO K B, PARK J K, PARK W, KO Y, LEE S H

Steel sheet comprises graphene layer disposed on steel plate substrate, and adhesive layer disposed between steel plate substrate and graphene layer.

YOO H J, BYEON C S, SU K J

Production of lithium sulfide for producing high-purity lithium sulfide used as raw material for sulfide-based solid electrolyte, involves heat-treating by mixing lithium sulfate with carbon-based material having preset mixing ratio, and obtaining lithium sulfide.

JOO K B, SON Y K, PARK J K, PARK W, SEO H, KO Y, LEE S H

Dissimilar coated steel plate useful in display device i.e. plasma display device, comprises grater, heat-insulating coating layer formed in first region of first surface of steel sheet and heat dissipation coating layer.

KIM J K, CHO J D

Surface-treatment composition used for vibration damping steel sheet, comprises polymer resin and inorganic nanoparticles having preset average aspect ratio.

KIM J, LEE J, KIM Y, CHOI H, CHOI Y, KIM J T, KIM Y S, CHOI Y H, CUI H, JIN Y, LI Z

Method for manufacturing graphene-coated steel sheet, involves modifying steel sheet to have negative charge and forming of first graphene oxide layer is performed using graphene oxide dispersion modified with amine group.

YOO H, KIM J, BAEK J, BYEON C, YOO H J, SU K J, BAEK J H, BYEON C S, BAI J, LIU H