国家/地区 中国（47）
IPC部 C（47）
IPC大类 C01（47） H01（10） B01（7）
B82（5） C08（4） H05（4）
B22（3） C22（3） G01（3）
C09（2） C25（2）
IPC小类 C01B（47）
IPC C01B032/194（14） C01B032/184（12） C01B032/19（6）
C01B032/198（6） H01M004/36（6） H01M004/62（6）
H01M010/0525（5） B01J027/24（4） B82Y030/00（4）
C01B025/45（4） C01B032/186（4） H01M004/58（4）
B01J027/04（3） B22F009/24（3） B82Y040/00（3）
发明人 WANG X（47）
公开年 2022（31） 2023（16）
申请年 2022（47）
专利权人 BEIJING GRAP.（3） SHENZHEN BEI.（3） SHENZHEN INS.（2） UNIV CHANGCH.（2）
UNIV HUNAN（2）

Graphene oxide used to prepare graphene, comprises oxygen-containing functional group comprising carboxyl and/or ketone groups, total number of carboxyl groups and ketone groups does not exceed total number of oxygen-containing functional groups.

HUANG Y, LI Z, DING K, LIANG Y, YANG M, ZHAO X, WANG X

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

Preparation of nitrogen-doped porous graphene used as e.g. catalyst, involves dispersing amino-modified graphene oxide in water, controlling solid content of obtained dispersion to prepare thick slurry, and irradiating with microwaves.

WANG X, LI J, YU F, DU Z, WANG J

Electrochemically preparing graphene comprises e.g. placing graphite foil in sodium hydroxide solution for first impregnation treatment, taking out and placing in ammonium chloride solution, inserting pre-intercalated graphite foils in acidic electrolyte, filtering graphene suspension, vacuum-drying.

LIU S, YUAN S, WANG X, GAO L, HAN Y, ZHU W, RAN X, ZOU H

Preparing multi-scale material of graphene fiber used as reinforced material involves reacting oxidized graphene with aminosilane coupling agent in presence of solvent to obtain aminated graphene removing glue for basalt fiber sequentially coarsening processing.

LIU S, YUAN S, WANG X, GAO L, HAN Y, ZHU W, RAN X, ZOU H

Preparation of photocatalytic nanomaterial-microorganism hybrid used in preparation of hydrogen by solar energy, involves adding graphene oxide to mixed solution e.g. thiourea, culturing Shewanella, centrifuging and dispersing precipitate cells.

CUI S, WANG X, CHEN L, LI W

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