国家/地区 世界知识产权组织（5） 韩国（4） 欧洲专利局（EPO）（3） 日本（3） 美国（3） 中国（2）
IPC部 C（5） H（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B033/113（5）
发明人 LIM J C（5）
公开年 2021（4）
申请年 2020（3）  2021（2） 
专利权人 DAEJOO ELECT.（5）

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

Silicon-based carbon composite for anode active material, has core-shell structure, in which core comprises silicon, silicon oxide and magnesium silicate, and shell contains carbon layer containing reduced graphene oxide.

LEE J, PARK H, LEE S G, LIM H H, LIM J C

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

Silicon-silicon oxide-carbon composite having core-shell structure for lithium secondary battery, comprises core comprising silicon fine particles, silicon oxide compound and magnesium silicate, and shell formed of carbon film.

LEE S G, PARK H S, OH S M, LIM J C, LEE S, HUNSOO P, LIM J, LIN Z, WU X, PIAO X

Secondary battery used for electronic device, comprises negative electrode comprising silicon-based negative electrode active material which is predoped with lithium amount corresponding to initial irreversible capacity, and electrolyte.

LIM H H, OH S M, LIM J C, HEE L, LIM J, LIN Z, WU X, LIN X