国家/地区 中国（23）
IPC部 C（23） H（20） B（4）
IPC大类 C01（23） H01（19） B82（3）
IPC小类 C01B（23） H01M（19） C01G（6）
B82Y（3）
IPC C01B032/05（23）
发明人 LI S（3） FAN X（2） LI J（2）
LI Y（2） ZHANG P（2）
公开年 2023（23）
申请年 2022（23）
专利权人

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

Preparing enhanced reduction graphene oxide/carbon nanotube/pyrolytic carbon composite material involves subjecting graphene oxide/carbon nanotube foam to high-temperature thermal reduction to obtain reduced graphene oxide/carbon nanotube foam.

SHAO D, WANG S, LI Y, YANG J, JIA X, SONG H, WANG C, WEI P, ZHANG J, DING S, FENG L

Preparing carbon gas gel using polyacrylonitrile, by uniformly mixing polyacrylonitrile or acrylic old clothes chlorate, hot pressing, performing hydrothermal reaction, freeze-drying sample, and pre-oxidizing dried sample, and carbonizing at high temperature to prepare carbon gas gel material.

LI Z, DONG L