国家/地区 中国（49）
IPC部 C（49） H（49） B（23）
IPC大类 C01（49）
IPC小类 C01B（49）
IPC C01B033/02（49）
发明人 LI X（4） LI Z（3） WANG J（3）
WANG W（3） WU X（3） ZHANG X（3）
CHEN B（2） CHEN M（2） GE C（2）
HAO K（2） HOU Q（2） KIM H（2）
KIM H J（2） LEE J（2） LI B（2）
公开年 2021（19） 2022（12） 2023（8） 2020（7） 2018（2）
申请年 2021（18）  2020（12）  2022（8）  2019（5）  2023（3）  2017（2） 
专利权人 DAEJOO ELECT.（2） ENN GRAPHENE.（2） GRAB ROOM CO.（2） GRAPSIL CO L.（2）
SUZHOU LIANX.（2）

Preparing porous silicon/aluminum oxide/amorphous carbon composite material by e.g. paving porous silicon containing aluminum on bottom of porcelain boat, placing in tubular furnace, heating, introducing carbon dioxide, converting aluminum to aluminum oxide, introducing protective gas and cooling.

WANG J, ZHAO X, LI X, HAN F

Silica/titania/carbon composite material, includes a core, an intermediate layer and an outer layer, where the core includes a silicon compound, the intermediate layer includes titania, and the outer layer includes a carbonaceous material.

DING S, YAN Z

Silicon-carbon composite material used in negative electrode of battery, comprises silicon material which is nano-silicon particles with silicon-halogen bond on surface, and pleated structure graphene which covers silicon material.

WANG H, ZHANG H, LI C, QIU W, JIANG F, FANG D, XU Z

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

Preparation of silicon carbon negative electrode material used in lithium-ion battery, involves mixing silicon source and amino graphene, adding initiator to prepare halogenated composite material, mixing with catalyst, electrolyte, reaction monomer, and solvent, separating and calcining.

CHENG H, GENG M, LI C, CHEN B, TAN Y, PENG S

Preparing carbon-coated silicon nanosheet/nitrogen-doped graphene used in lithium-ion battery comprises mixing silicon nanosheet-graphene precursor with ferrocene, preparing carbon-coated silicon nanosheet/nitrogen-doped graphene, pickling, washing with water-ethanol, and drying.

ZHAO Y, ZHANG Q, MA 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

Negative electrode material for lithium ion battery, comprises aggregate comprising active material, carbon material and doped element.

HE P, XIAO C, GUO E, REN J, HE X, XIAO Q M, REN J G, HUH S

Preparing in-situ heteroepitaxial graphene-coated silicon material useful in lithium-ion battery, comprises e.g. removing magnetic impurities in silicon raw material, drying, sand milling, reacting with fluorocarbon radicals, spray drying, low heating and carrying in-situ heterogeneous epitaxy.

ZHOU S, SHEN J, CHEN M, LUO X, HOU Q, ZHANG X

Preparing graphene-coated silicon batch, involves preparing silicon carbon precursor by spray drying and low temperature heat treatment process, and preparing high-temperature and high-vacuum device based on prepared graphene silicon material.

ZHOU S, SHEN J, CHEN M, LUO X, HOU Q, ZHANG X