国家/地区 中国（8）
IPC部 C（8）
IPC大类 C01（8） H01（7）
IPC小类 C01B（8）
IPC H01M004/62（4） C01B032/184（3） C01B032/194（3）
H01M004/58（3） C01B025/45（2） H01M004/36（2）
H01M004/38（2） H01M004/66（2） H01M010/052（2）
H01M010/0525（2）
发明人 LI Y（8）
公开年 2023（8）
申请年 2022（8）
专利权人 UNIV CHINA P.（2）

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

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 a three-dimensional lightweight graphene shielding material useful in electromagnetic shielding device, comprises e.g. performing aqueous dispersion treatment to the graphene and dispersant to obtain dispersion slurry, mixing the dispersion slurry and aqueous polymer to obtain mixed slurry.

LI Y, BAI H, YANG W

Self-supporting reduction oxidation-graphene film for non-lithium cathode current collector used in battery assembly, has adding fiber reinforced material to aqueous phase graphene and stirring to obtain slurry, and coating slurry on glass or mold polytetrafluoroethylene after drying.

YANG Z, PANG H, ZHAO D, LI Y, XU Z

Preparing laser induced manganese oxide/graphene array in lithium metal battery negative electrode, involves adhering copper foil current collector on substrate and polyimide film on copper foil, laser scribing on PI film so that PI film in scribed portion is induced by laser into graphene array.

HUANG S, XIE T, XIAO H, LI Y

Lithium manganese iron phosphate material comprising graphene-type two-dimensional structure.

WANG P, XUE S, CHEN Y, LI Y, WAN Y, LIU T

Preparing three-dimensional net shaped tin disulfide composite sulfur-nitrogen doped graphene for preparing lithium battery negative electrode involves adding stannous chloride dihydrate, L-cysteine, glycolic acid, graphene dispersion liquid into the deionized water and ethanol, stirring uniformly.

ZHONG P, WEI M, LI Y

Anode active material for sodium ion battery used as secondary energy storage device in energy automobile, comprises sodium-iron-titanium-magnesium phosphate.

LI S, LI Y, WANG H