国家/地区 中国（14）
IPC部 C（14） H（7） B（2）
IPC大类 C01（14） H01（5） C08（3）
H05（2）
IPC小类 C01B（14）
IPC C01B032/194（14）
发明人 WANG X（14）
公开年 2022（8） 2023（6）
申请年 2022（14）
专利权人

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

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

Preparing nano-copper/graphene composite coating using pulse brush plating technology comprises e.g. sensitizing the graphene surface, preparing the suspension, adding surfactant, performing electroless copper plating, ultrasonically stirring, and adopting brush plating solution to prepare coating.

WANG J, QIAO Y, WANG X, LIU S, ZOU Y, ZHAO G

Preparing a sponge nickel-loaded nitrogen and fluorine double-doped vertical graphene useful in e.g. preparing anode and cathode materials for lithium-sulfur batteries, comprises e.g. obtaining Ni(AC)2 aqueous solution, adding N2H4H2O and mixing to obtain reaction solution.

TU J, WANG X, QIU Z, XIA X

Preparing fluorinated graphene used as composite heat-conducting film, involves uniformly mixing oxidized graphene with polyvinylidene fluoride, calcining under protection of inert gas, and carrying out fluorination reaction.

GUO S, WANG X, ZHANG L, LIU Y, YUAN X, ZHANG G, HUO J

Preparing graphene oxide involves mixing graphite, sulfuric acid and potassium permanganate to obtain liquid, performing first and second filtering treatment to remove manganese and potassium ion, subjecting primary filter cake and filter liquid to secondary treatment and performing third treatment.

HUANG Y, LI Z, YE X, LIANG Y, WANG X, ZHAO X, YANG M

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 of layered composite material used in e.g. aerospace, involves preparing graphene dispersion and carbon nanotube dispersion, spray-depositing carbon nanotube dispersion and graphene dispersion on surface of magnesium foil, crushing, placing in mold, hot-pressing, sintering, and extruding.

WANG X, SUN Z, HU X, SHI H

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

Electromagnetic shielding composite material with temperature response characteristics useful for smart temperature control electromagnetic shielding switch of electronic device, comprises vanadium dioxide as functional material, and prepared by compounding with substrate material.

SUN R, ZHU P, HU Y, WANG X, LIAO S, WAN Y