国家/地区 韩国（7） 中国（3） 世界知识产权组织（2）
IPC部 C（7） H（7）
IPC大类 C01（7） H01（7）
IPC小类 C01B（7）
IPC H01M004/02（7）
发明人
公开年 2023（7）
申请年 2021（7）
专利权人 CONTEMPORARY.（2） NINGDE CONTE.（2）

Producing sulfide solid electrolyte for all-solid-state batteries comprises preparing lithium sulfide, diphosphorus pentasulfide, dissolving and dispersing components in pyridine solvent, removing pyridine solvent, and sintering.

RYU K S, RAJESH R

Cathode active materials useful for secondary batteries, comprises carbon-based base material, silicon layer formed on carbon-based base material, and graphene provided on outside of silicon layer.

CHAE S

Silicon-based active material useful for a negative electrode of a lithium-ion battery comprises porous silicon particles derived from diatom, where silicon particles have doped layer doped with metal oxide and coating layer.

YOUNG P C, KIM E, KIM N, KIM W

Cathode active material useful in secondary battery, comprises silicon inner core whose surface is coated with first coating layer, where first coating layer is carbon-containing layer, and second coating layer coated on first coating layer, where second coating layer is sulfur single layer.

HUANG Q, WEN Y, MA Q, GUAN Y, ZHAO Y, MA C Y, HWANG C

Composite graphite material used in negative electrode of secondary battery, comprises main particles comprising artificial graphite and coating layer comprising amorphous carbon, and has preset air oxidation temperature.

HE L, KANG M, MENG K, HERIVING

Active material used for negative electrode for lithium secondary battery, comprises silicon particles comprising coating portion derived from coupling agent, amorphous carbon portion on silicon particles, and carbon-based conductive material comprising coating portion derived from coupling agent.

KIM K B, KIM Y H, CHOI S, CHOI Y G, CHUNGRYONG M, MA Z, CHOI Y, JIN R, JIN G

Electrode useful in secondary battery of portable electronic devices, and electric vehicles comprise rearranged layered carbon material including multiple slits.

JEONG H M, SIM W