国家/地区 中国（17）
IPC部 C（17）
IPC大类 C01（17） H01（17） B82（3）
IPC小类 C01B（17）
IPC H01M004/62（17）
发明人 ZHANG X（17）
公开年 2020（5） 2018（3） 2023（3） 2017（2） 2021（2） 2022（2）
申请年 2022（5）  2017（4）  2020（4）  2019（2） 
专利权人 BEIJING GRAP.（2） HUNAN JINYAN.（2） KIGAM KOREA .（2） KOREA GEOLOG.（2）

High cycle performance lignin-based graphene material cathode comprises ammoniated graphene microchips, modified silica-lignin nanospheres, dispersant, hydrogen evolution inhibitor and deionized water.

WEI P, ZHANG X, YUAN J, CHEN S, HUANG B

Graphene slurry useful in battery, comprises graphene, modified polyvinyl alcohol and foaming agent, comprising ammonium sulfate or ammonium phosphate.

ZHANG X, YUAN Q, WEN Z, LIU C

Preparation of lithium battery electrode material based on graphene modification involves dispersing spherical graphite and graphene oxide in solvent, heating, carbonizing obtained mixture, and mixing obtained graphene-modified material with e.g. nano conductive agent.

LIU J, YUAN Q, ZHANG X, LIU S, WEN Z

Quickly and efficiently preparing hollow carbon micro-sphere comprises e.g. dispersing nano-grade silicon dioxide micro-sphere to ethanol solution, adding carbon precursor and pH regulator, stirring, drying, carbonizing in inert atmosphere, dispersing into etching agent, centrifuging and washing.

WU S, OUYANG J, LUO E, ZHANG X, LI C, WEI D, HAN W, WEI L

Preparing a carbon/Prussian blue composite material useful in the field of battery, comprises e.g. preparing carbon material, chelating agent and transition metal salt into first mixture dispersion and performing first hydrothermal reaction to obtain carbon-transition metal composite precursor.

ZHANG X, ZHANG L, ZHAO Z, TANG Y

Producing nano graphene balls used as anode material for lithium-ion battery, involves preparing graphene conductive slurry, pressing nano graphene balls into blocks, impacting graphite powder using first high-efficiency vibration swing impact nanomachine and transferring to second impact machine.

ZHANG X, ZHANG C

Sodium ion battery cathode material comprises tin and organic complexing agent to form complex, prepared by e.g. adding tin salt aqueous solution into organic complexing agent aqueous solution, adding graphene, reacting and drying.

DONG X, DUAN L, ZHANG X, CHEN G

Preparing porous graphene useful in the field of lithium ion batteries, supercapacitors, fuel cells or sensors comprises mixing graphene and metal salt, heat-treating mixed materials under an inert atmosphere, and performing acid treatment.

ZHANG X, SHEN W, CAO J, CHEN Y

Preparation of graphene-modified silicon monoxide/carbon composite material used as negative electrode material for lithium ion batteries by mixing graphene, silicon monoxide and first carbon source, carbonizing, and adding e.g. graphite.

ZHANG X, SHEN W, CAO J, CHEN Y

Nano-scale graphene material dispersion process by wetting graphene composite conductive powder with n-butanol, adding surfactant, adding dimethylformamide, compounding with non-ionic polymer, dry mixing, adding glue solution and stirring.

XU Y, CHEN C, ZHU C, CHEN Z, WU X, WANG X, ZHANG X