国家/地区 中国（105）
IPC部 C（105）
IPC大类 C01（105） H01（105） B82（28）
B01（3） D01（2）
IPC小类 C01B（105）
IPC H01M004/62（105）
发明人 LI J（10） LI Y（7） WANG X（6）
LI C（5） LI S（5） WANG Q（5）
ZHANG Q（5） ZHANG X（5） LI Q（4）
LI X（4） LIU S（4） LIU Y（4）
WANG J（4） WANG Y（4） YANG H（4）
公开年 2022（65） 2023（40）
申请年 2022（105）
专利权人 CHUNENG NEW .（3） HUNAN JINYAN.（3） CHINA THREE .（2） GUANGDONG MO.（2）
HUAYU NEW EN.（2） HUIYANG GUIZ.（2） SHANDONG HAI.（2） SHENZHEN JIN.（2）
UNIV SHAANXI.（2） UNIV SOOCHOW（2） UNIV ZHEJIAN.（2） UNIV ZHENGZH.（2）

Preparing single crystal high-nickel cobalt-free material comprises e.g. mixing single crystal high-nickel cobalt-free precursor with lithium source, carrying out calcination, and mixing second single crystal high nickel cobalt free calcined material with graphene oxide solution.

LI C, YU H, XIE Y, LI A

Evaluating number of graphene layers comprises e.g. coating graphene mixed slurry on copper foil, drying, preparing button battery with dried copper foil as electrode sheet of current collector, and estimating number of graphene layers of graphene powder according to charge-discharge curve.

LIU Y, WANG B, SUN L, ZHOU L, SHI X, WANG X, LI B

Preparation of lithium-iron phosphate battery positive electrode slurry involves mixing carbon-coated graphene-based lithium-iron phosphate, conductive carbon black, polyvinylidene fluoride binder and trifluoromethyl hyperbranched binder.

LIANG X, WANG Z, WANG X, WU Y, SHENG Y, GUO Z, ZHU F, MA L, LI H

Laminated structure composite of graphene with low defect concentration useful as cathode material of alkali metal ion battery, comprises low-defect concentration graphene active substance i.e. iron(II,III) trichloride compound.

WU L, ZHENG L

Method for modifying graphite used as cathode material in lithium-ion battery by fully dissolving asphalt in organic solvent, adding graphite and high-conductivity graphene, mixing uniformly to coat graphene surface, removing organic solvent and carbonizing solid product.

YANG W, XU C, LI Y

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

REN Z, CHEN Z, YANG Y, SHEN L

Preparation of graphene/silicon oxide composite material for preparing electrode material, involves preparing graphene oxide by mixing graphite, water, concentrated sulfuric acid and sodium vanadate, preparing mixed material using reduced three-dimensional graphene, and laser processing.

LI J, LI Y, MA C, ZHANG Q, ZHU J

Preparing lithium iron phosphate/graphene oxide composite material comprises e.g. adding polyamine oxidized cellulose to iron source to react, mixing mixture and graphene oxide solution, adding lithium source reaction, mixing solid material with carbon source, crushing, screening, and demagnetizing.

ZHANG J, ZHANG C, ZHANG Q

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

Composite phosphate positive electrode material used in new energy transportation power battery market, consumer battery market and energy storage battery market, comprises lithium iron manganese potassium phosphate composite.

JIANG Y, LIU J