国家/地区 美国（3）
IPC部 C（3）
IPC大类 C01（3） H01（3） B82（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

Preparing carbon-silicon three-dimensional structure composite material, involves dissolving graphene quantum dot in ultrapure water, dripping in copper(II) chloride or zinc chloride solution, mixing mixed emulsifier with e.g. graphite oxide aqueous solution and adding hydrazine hydrate to emulsion.

WU X, ZHANG E

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