国家/地区 中国（55）
IPC部 C（55）
IPC大类 C01（55） H01（51） B82（10）
H05（6） C09（4）
IPC小类 C01B（55）
IPC C01B032/05（55）
发明人 LI Q（6） ZHANG J（5） ZHANG Y（5）
LI J（4） TAO Y（4） YANG Q（4）
CHEN X（3） LI S（3） REN Z（3）
SONG H（3） SONG Y（3） WANG Y（3）
XIE Y（3） XU J（3） YANG H（3）
公开年 2022（35） 2023（20）
申请年 2022（55）
专利权人 UNIV TIANJIN（4） AECC BEIJING.（2） BTR NEW MATE.（2） DINGYUAN NEW.（2）
HUIZHOU DING.（2） NINGBO INST .（2） SHENZHEN JIN.（2） UNIV BEIJING.（2）
UNIV CENT SO.（2） UNIV XIAN JI.（2）

Method for preparing graphene electrode taking carbon dioxide reduction product as carbon source, involves adding polyacrylonitrile to N, N-dimethyl formamide to obtain precursor solution, and carrying out electro-catalytic reduction to carbon dioxide gas source to obtain gaseous product.

YAN W, GAO F, WANG W, GAO S, WANG Y, YANG G, WANG F

Preparing ultra-micro hole fluorine doped hard carbon cathode material useful in commercialization of sodium ion battery, comprises e.g. providing precursor mixture, freezing and drying, performing vacuum sintering to precursor material, and subjecting to fluorination treatment.

ZHAO R, JI Y, XIE Y, GUAN Q

Preparing carbon-silicon composite material, comprises e.g. weighing stearic acid coupling agent into porous carbon powder, heating and stirring uniformly, and dripping proper amount of oxidation solution graphene grinding.

LI P, XUE Y, GUO X

New lithium-ion battery cathode material useful in coating layer in cathode of lithium-ion batteries.

REN Z, CHEN Z, YANG Y, SHEN L

Coating needle-shaped coke graphene involves adding needle coke powder into kneading pot to heat, controlling temperature, and continuously stirring, segmenting and controlling heating temperature, uniformly spraying graphene solution.

XU J, YUE Y, LIAO H

Preparing hard carbon cathode material comprises passivating hard carbon precursor, where hard carbon precursor comprises modified hard carbon precursor comprising pre-lithiated hard carbon and/or pre-sodium hard carbon precursors, and passivation treatment comprises reacting sodium and/or lithium.

TAN G, CHEN H, ZHANG Z, YU Y, PENG T, HU L

Preparing silicon-carbon composite cathode material comprises mixing and grinding silicon and silicon dioxide, heating to react to generate silicon dioxide vapor, condensing with nano-carbon material slurry, introducing graphite and gas carbon source to form coated carbon layer on surface.

LI J, HUANG S, WANG X, LIU S, LI 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

Silicon-carbon composite material, comprises core-shell structure, where core is composed of nano-silicon, carbon nanotubes, graphene and porous carbon.

HU W

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