国家/地区 中国（69）
IPC部 C（69） H（69） B（17）
IPC大类 C01（69） H01（69） B82（16）
IPC小类 C01B（69）
IPC H01M004/62（69）
发明人 WANG X（7） LI J（5） WANG K（5）
HAN D（4） LI C（4） LI Y（4）
LIU S（4） LIU X（4） TAO X（4）
ZHANG Q（4） LI H（3） LI S（3）
LIU J（3） WANG H（3） WANG Y（3）
公开年 2023（69）
申请年 2022（40）  2023（23）  2021（6） 
专利权人 CHUNENG NEW .（4） NINGDE AMPER.（4） HUNAN JINYAN.（3） UNIV CENT SO.（3）
CONTEMPORARY.（2） HUAYU NEW EN.（2） NINGDE CONTE.（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

Sodium ion battery cathode material comprises glass carbon sheet and active layer comprising load active material, conductive agent and adhesive, where active material is prepared by e.g. mixing diethylenetriamine and deionized water, dripping graphene oxide, and mixing branched polyethyleneimine.

WANG Y, ZHENG L, CHEN K, LONG H, WU L, MA Z

Preparing self-supporting graphene-based carbon microsphere cathode frame comprises dispersing chitin microspheres of doped metal hydroxide into water, dispersing metal/nitrogen co-doped carbon microsphere coated by graphene, binder and conductive agent into water, filtering and drying.

ZHOU P, ZHANG L, MA T, YANG Y, YU S

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

Preparing carbon-wrapped pyrophosphate polyanion composite material for sodium ion battery, comprises dispersing sodium source, iron source, phosphorus source, doping element source, carbon source and reducing agent in solvent, high-energy ball milling, drying, tableting and sintering.

ZHANG Q, TANG Y, SUN D, ZHU L, WANG H

Intercalated composite material used as material for anode lithium, comprises iron fluoride particles and carbon layer, where iron fluoride particle is inserted between interlayer structures of carbon layer.

HUANG W, CHEN N, HONG J, CHEN H, YUE H

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

Preparation of carbon-coated ternary material used in lithium-ion battery, involves mixing nickel source, cobalt source, and manganese source into deionized water, adding lithium source and carbon source, and ultrasonically treating.

HAN Z, YAN X, CHEN X, GUO H, WANG Y, YANG Y, ZHANG W

Positive electrode material for forming active material layer in positive electrode sheet of lithium-ion battery, comprises positive electrode active material and coating layer comprising lithium-rich anti-perovskite lithium agent and conductive agent, covered on surface of active material.

YANG S, CHEN J, KE J

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