国家/地区 中国（2） 韩国（2） 世界知识产权组织（2）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B033/18（4）
发明人
公开年 2022（4）
申请年 2021（2） 
专利权人

Porous silicon structure for producing porous silicon-carbon composite for negative electrode active material for lithium secondary battery, includes silicon particles, and has oxygen and silicon atoms.

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

Carbon-silicon composite for electrode for lithium ion batteries, contains core having carbon material and silicon particles, and shell formed on surface of core and including amorphous carbon and/or crystalline carbon, where silicon particles are uniformly distributed from center to surface of core.

KANG S M

Preparing negative electrode material for lithium-ion battery comprising dispersing silicon source, dispersant, and conductive agent in organic solvent, performing secondary granulation, pulverizing, coating third precursor pulverized with organic carbon source.

TIAN Z, WEI L, XU X, WANG X, CAO X, ZHANG C

Preparing cathode material based on nitrogen-doped graphene/modified silicon oxide useful in battery comprises mixing modified graphene fiber, conductive graphite, aqueous dispersant, binder and deionized water into primary slurry, transferring to ball mill and ball milling.

LIM S, JING M, LI Q, CHEN F