国家/地区 中国（10）
IPC部 B（11）
IPC大类 B82（11）
IPC小类 B82Y（11）
IPC C01B033/02（11）
发明人 WANG W（2）
公开年 2021（11）
申请年 2021（8）  2020（2） 
专利权人

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

Preparation device of silicon-based electrode material, has granulation unit that includes granulation chamber, turntable arranged inside granulation chamber, and two material spray heads, and inlet provided above granulation chamber and above turntable.

XIAO X, ZUO X, WANG W, YANG T, CHEN J, MA Z, NAN J

Silicon carbon shell nano composite material used for forming lithium-ion battery electrode, comprises silicon carbon shell nanoparticles comprising shell structure, hollow structure comprising graphene material and filling particles comprising silicon nanomaterials.

WANG D

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

Nano silicon-graphene micro ball composite anode material for secondary battery comprises crystalline graphene having two-dimensional structure and nano-silicon particles and composite powder formed by bonding nano-silicon particles.

JEONG S, YANG S, LEE G, KIM B, RYUJIHYUN, LEE H, KIM I, JUNG S Y

Preparation of porous spherical graphene-coated silicon composite material used for forming negative electrode, involves ultrasonically-dispersing nanosilicon in graphene oxide aqueous dispersion, adding nitric acid solution, ultrasonically-mixing, hydrothermally-reacting, and calcining.

HE D, CHEN H

Negative electrode material used in lithium ion battery, comprises silicon-based substrate and titanium-based compound coating layer coated on surface of silicon-based substrate, where titanium-based compound coating layer is doped with graphene and graphite-like structure.

LIU L, LI B, LIANG S

Silicon-carbon composite material with controllable internal volumeuseful in a lithium ion battery, comprises e.g. nano three dimensional graphene porous particles, carbon nano tube/conductive carbon fiber and nano silioxide particles.

HAO Y, WU Y, WAN Y

Preparing electrode material useful for batteries, comprises mixing carbon material, graphene material, binder and silicon material, and sintering precursor for converting carbon material into graphite carbon material with sheet structure.

HAO K, WANG W, WANG J, CHEN Y, YUAN W