国家/地区 韩国（10）
IPC部 C（10）
IPC大类 C01（10） H01（10） C04（2）
C23（2）
IPC小类 C01B（10）
IPC C01B033/02（10）
发明人 CHOI J（3） LEECHANGSUP（3） IMSUNGWOO（2）
LEE E（2） LIM J（2） LIM J C（2）
LIM S W（2）
公开年 2022（5） 2023（3） 2021（2）
申请年 2021（10）
专利权人 UNIV KEIMYUN.（3） DAEJOO ELECT.（2）

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

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

Manufacturing graphene quantum dot/silicon/carbon nanomaterial composite useful e.g. for manufacturing secondary battery, comprises e.g. synthesizing graphene quantum dots/silicon nanoparticles/carbon nanofibers or carbon nanotubes complex.

LEECHANGSUP, SERA K, CHOI J

Manufacturing silicon/carbon nanofiber (CNF)/graphene composite for manufacturing secondary battery, by mixing and dispersing silicon nanopowder and CNF in ethanol, ultrasonically processing, adding aqueous graphene oxide solution, stirring, performing vacuum filtration and drying.

LEE C S, CONG R, CHOI J Y, LEECHANGSUP, FEMALE T, CHOI J

Manufacturing composite film useful as anode material for lithium ion secondary battery, comprises preparing silicon nanoparticles/carbon nanotube mixed solution, adding aqueous graphene solution, sonicating and performing heat treatment.

LEECHANGSUP, HEE N E, HYUN Y R, CHOI J

Active material used in negative electrode for lithium secondary battery, comprises pores having preset size, and silicon-based compound having preset ratio of peak intensity in region having specific wavelength in Raman spectrum.

PARK G O, YOO S K, CHUNG J H, ZHENG Z, YU S, PARK G

Porous silicon-carbon composite used for negative electrode active material for lithium secondary battery, comprises silicon particles, magnesium fluoride, and carbon.

LIM J C, LEE J, JEON Y M, LIM S W, PARK J G, LEE H S, LIM H H, NAM S J, LEE E, LIM J, HYUN L J, IMSUNGWOO, HEE L, JIN N, PARK S

Preparation of silicon-carbon composite material used as anode material in battery cell, involves mixing silicon particles, carbon compound, and dispersant, thermally processing mixture, and heat-treating thermally processed intermediate product preset temperature.

GENTISCHER H, BIRO D, HABERZETTL P, DREWS M, HORZEL J, DOLD L, HARBOR J P, DRUCE M, HOSEL J

Silicon-silicon composite oxide-carbon composite used for negative electrode active material for lithium secondary battery, comprises core-shell structure comprising core comprising silicon, silicon oxide compound, and magnesium silicate, and shell comprising carbon layer, and has preset span value.

LEE E, PARK H, LIM S W, OH S M, LIM J C, HUNSOO P, IMSUNGWOO, LIM J