国家/地区 韩国（6） 世界知识产权组织（2）
IPC部 C（5） H（2）
IPC大类 C08（3） C09（3） C01（2）
H01（2）
IPC小类 C08K（3） C09D（3） C01B（2）
IPC C08K003/04（3） C01B017/26（2） C09D005/00（2）
发明人 JOO K B（2） KO Y（2） LEE S H（2）
PARK J K（2） PARK W（2） SEO H（2）
SON Y K（2）
公开年 2022（6）
申请年 2020（4）  2021（2） 
专利权人 POSCO（6）

Negative electrode active material used for negative electrode for lithium secondary battery, comprises silicon-carbon composite comprising silicon nanoparticles, and carbon matrix.

YOU S J, PARK S J, KANG E, KIM Y J, WOO J G, CHO M, PARK S, YOO S J, WOO J, PARK S E

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

Composite resin composition used for manufacturing composite resin coated steel sheet, comprises main resin comprising modified polyester resin, curing agent, pigment containing rust preventive pigment, catalyst containing acid catalyst, wax, and solvent.

JO D, PARK Y, EUN H, JO D H, JAE E H