国家/地区 欧洲专利局（EPO）（3）
IPC部 C（3）
IPC大类 C01（3） H01（3） C04（2）
IPC小类 C01B（3）
IPC C01B033/02（3）
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

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

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