国家/地区 中国（18）
IPC部 C（18）
IPC大类 C01（18） H01（18） B82（12）
C23（2）
IPC小类 C01B（18）
IPC C01B033/02（18）
发明人 MA Z（2）
公开年 2021（11） 2022（5） 2023（2）
申请年 2021（18）
专利权人

Cathode active material useful in secondary battery, comprises silicon inner core whose surface is coated with first coating layer, where first coating layer is carbon-containing layer, and second coating layer coated on first coating layer, where second coating layer is sulfur single layer.

HUANG Q, WEN Y, MA Q, GUAN Y, ZHAO Y, MA C Y, HWANG C

Active material used for negative electrode for lithium secondary battery, comprises silicon particles comprising coating portion derived from coupling agent, amorphous carbon portion on silicon particles, and carbon-based conductive material comprising coating portion derived from coupling agent.

KIM K B, KIM Y H, CHOI S, CHOI Y G, CHUNGRYONG M, MA Z, CHOI Y, JIN R, JIN G

Method for quickly preparing silicon nano-wire for lithium ion battery, involves dispersing dried cut waste silicon powder and graphene in solvent, filtering suspension, drying to obtain graphene film, and performing pre-reduction.

QIAN G, GONG X, LIU J, LU J, WANG Z

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 silicon-carbon composite material in electrochemical device, involves mixing silicon material, carbon material and adhesive agent to obtain intermediate A, subjecting obtained intermediate A to hot mixing kneading and isostatic pressing to obtain intermediate B.

LU C, ZHOU M, GU H, FENG S, LI X

Low-expansion silicon carbon cathode material for lithium ion battery, has core-shell structure, where core is nano silicon, middle layer is porous carbon material, and outermost layer is boron-doped graphene sponge.

FAN Z, TIAN T, PANG J, DU N, YANG D, LIANG Y

Silicon carbon cathode material comprises core that is sphere or sphere formed by nano-silicon particles and carbon material, and shell that is porous silicon dioxide layer and amorphous carbon layer coated outside inner core.

JIA W, ZHENG Y, ZHANG F, YANG S

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

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

Silicon-carbon composite material used as cathode material for lithium ion battery, comprises three-core structure coating three-layer carbon shell on surface of nano-silicon surface.

PENG Y, CHEN Q, LIANG H, TANG X, CAI J