国家/地区 韩国（4） 中国（3） 世界知识产权组织（3）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC H01M004/38（7）
发明人 HEE L（2） HYUN L J（2） IMSUNGWOO（2）
JEON Y M（2） LEE H S（2） LIM H H（2）
LIM J（2） LIM J C（2） LIM S W（2）
PARK J G（2）
公开年 2021（3） 2022（3）
申请年 2021（7）
专利权人 DAEJOO ELECT.（2）

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

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

Porous silicon-based carbon composite used for forming negative electrode active material, comprises silicon particles capable of intercalating and de-intercalating lithium, magnesium compound, and carbon, and has preset molar ratio of magnesium atoms with respect to silicon atoms.

PARK J G, LEE H S, JEON Y M, OH S M, PARK H S, LIM S W, LIM H H, LIM J C, LEE J H, HUNSOO P, IMSUNGWOO, HEE L, LIM J, HYUN L J

Porous silicon-carbon composite material for lithium ion battery, comprises core-shell structure, where inner core is composite of porous carbon, cerium dioxide and graphene component, and shell is doped with oxide compound selected from phosphorus oxide, arsenic oxide and selenium oxide.

CAO J

Preparation of composite material with core-shell nanoparticles used as e.g. electrode in lithium battery, involves depositing ink comprising nanoparticles encapsulated in polymeric matrix on surface of substrate, and illuminating substrate covered with ink with pulsed light for dissociating carbon.

KASSEM O, RIEU M, VIRICELLE J, SAADAOUI M, OMAR K, MATHILDE R, JEANPAUL V, MOHAMED S

High performance silicon-based lithium ion battery cathode material has core prepared by obtaining silicon-based particle/transition metal composite material, and adding carbon source.

ZHAO H, YANG C, LI Z