国家/地区 中国（17）
IPC部 C（17）
IPC大类 C01（17） H01（6） B82（2）
G01（2）
IPC小类 C01B（17）
IPC C01B032/194（17）
发明人 LI J（17）
公开年 2022（12） 2023（5）
申请年 2022（17）
专利权人 SHENZHEN CAI.（2）

Preparing coating layer state controllable yttrium oxide nano-crystal coated graphene material involves firstly graphene material with different volume fractions is acid-washed to remove impurities, graphene material into mixing uniformly to obtain mixed solution, heating and stirring mixed solution.

TANG B, ZHOU X, WAN J, LI J, YAN Q, CHEN B

Method for preparing graphene film in electronic device i.e. batteries, involves immersing carrier in graphene organic solution, taking out carrier after infiltration is completed, and drying carrier, so that graphene film is formed on surface of carrier.

LI J, YANG B, YE L

Modified laser-induced graphene composite material based on magnetic-induced doping, obtained by laser-induced graphene-doped magnetic polystyrene microspheres and its distribution induced by an external magnetic field.

LI T, LI J, MAO L

Preparing lithium ion carbon cathode material by using organophosphorus modified graphene oxide surface method comprises dispersing graphene oxide in tetrahydrofuran, oscillating, adding thionyl chloride, refluxing, filtering, washing, adding e.g. triethyl phosphite, reacting, washing and drying.

WANG S, MENG X, ZHANG W, ZHANG D, LI L, LI J, XU G, ZHOU W, WANG L, MO B, WANG K

Preparing carbon/graphene/lithium titanate composite cathode material comprises e.g. adding sulfuric acid into three-necked flask, dissolving titanium source composite in isopropanol, ultrasonically treating, calcining powder, and adding composite material into absolute ethanol.

CAI H, WU X, ZHANG P, LI X, LI J, LAI X, ZHU J

Preparing niobium pentoxide/graphene lithium ion negative electrode material involves taking niobium oxalate and graphene conductive slurry for subsequent use, adding distilled water, dissolving oxalic acid niobium to form niobium oxalate solution and adding niobium oxalate solution.

WANG X, LI J, ZHANG H, QIAO Y, LUO J

Preparation method of composite material graphene, involves regulating pulse current density under oxygen-free atmosphere to make metal substrate return controlling pulse current density to make metal substrate deposited with graphene return and re-crystallize again, growing to form graphene film.

WANG X, HUO Y, LI J, CAO Z, XIAO Z

Carbon-based material post-modification reactor, has feeding port located at a point upstream from reactor and adapted to feed carbon-based raw material into reactor, discharging port located at point downstream from reactor, screw conveying device disposed in reactor.

KU T, HSIEH C, LI J, GU D, XIE Z, LI Z

Method for preparing highly fluorinated graphene, comprises preparing graphene oxide by improving Hummer method, ultrasonically dispersing graphene oxide, deionized water, hydrofluoric acid and potassium permanganate, and performing ultrasonic-hydrothermal reaction coupling.

TIAN L, CHEN L, ZHU P, YANG X, LI J, NIU B, PENG Y, OU B

Preparation of functionalized modified graphene oxide used in preparation of negative electrode material, involves dispersing graphene oxide in water to obtain first solution, dispersing organic small molecular substance containing substituent on benzene ring in ethanol to obtain second solution.

JIN H, LI J, XU H