国家/地区 中国（12）
IPC部 C（12）
IPC大类 C01（12） H01（12）
IPC小类 C01B（12）
IPC H01M004/36（12）
发明人 ZHANG X（12）
公开年 2022（3） 2017（2） 2018（2） 2020（2）
申请年 2017（4）  2022（4）  2020（2） 
专利权人 KIGAM KOREA .（3） KOREA GEOLOG.（2）

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

Preparing in-situ heteroepitaxial graphene-coated silicon material useful in lithium-ion battery, comprises e.g. removing magnetic impurities in silicon raw material, drying, sand milling, reacting with fluorocarbon radicals, spray drying, low heating and carrying in-situ heterogeneous epitaxy.

ZHOU S, SHEN J, CHEN M, LUO X, HOU Q, ZHANG X

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

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

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

Preparing graded hole prussian blue nanosphere based on iodine-doped graphene involves dissolving potassium ferricyanid in deionized water, adding a surfactant, stirring until the clear solution, adding inorganic acid solution, and stirring.

LIU D, ZHANG X, WANG Y

Preparing molybdenum disulfide/graphene battery cathode material-based three-dimensional skeleton by self-assembly of graphene comprises e.g. dissolving ammonium molybdate powder and thiourea powder in graphene oxide aqueous solution.

ZHANG X, GU Z, QIAN M

Manufacture of composite material used for preparing anode of secondary battery, involves preparing mixture comprising silicon, carbon nanotubes, graphene oxide and solvent, spray-drying resultant mixture, and heat-treating.

DONG J H, KWON C H, SUP K D, KYUNG K S, ZHANG X, CHANG H, JI D, JIN X

Preparation of coated nitrogen-doped graphene ternary material used as battery material, by taking ternary material precursor and lithium source, grinding, mixing, adding volatile solvent, blending, ball milling, stirring, and oven-drying.

JIANG Q, LI J, TANG J, CUI X, LI H, ZHANG X