CN106784828A - A kind of layer type casting moulding Graphene metallic composite and preparation method - Google Patents
A kind of layer type casting moulding Graphene metallic composite and preparation method Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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- H—ELECTRICITY
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The present invention relates to a kind of layer type casting moulding Graphene metallic composite and preparation method thereof.The preparation method of layer type casting moulding Graphene metallic composite, mixed grinding, shearing are carried out under ultrasonication by graphene quantum dot or microplate with nano metal material, carried out quenching through laser treatment after drying, are refined, and promote molecular rearrangement, grafting fusion.Layer type casting moulding Graphene metallic composite prepared by the invention, it is low with high rigidity, high intensity, resistivity, the superior function for using easily is processed, can be widely applied to the material processing fields such as dental implant, super electric drill；Battery, ultracapacitor energy storage Material Field；Catalyst material field；Heat sink material field；Medical domain；Coating material field；Electrically conductive ink；Photoelectricity, sensor material field；Biological association area etc..
Description
Technical field
The present invention relates to Graphene applied technical field, more particularly to a kind of layer type casting moulding Graphene-metallic composite
And preparation method.
Background technology
Single-layer graphene film is made up of one layer of intensive carbon hexatomic ring, does not have any fault of construction, and its thickness is
0.35nm or so, is two-dimensional nano-carbon material most thin so far.Meanwhile, it be also constitute other carbon group materials it is substantially single
Unit, can obtain that the fullerene of zero dimension, curling obtain one-dimensional CNT and stacking obtains the graphite of three-dimensional by warpage.Stone
Repetition period unit most basic in black alkene is the most stable benzene ring structure in organic chemistry, it be it is current untill best two
Dimension nano material.The Graphene prepared in reality does not only exist individual layer, also there is multilayer.Due to its unique structure, Graphene
Various types of properties it is also very excellent.It is most thin most light material in the world, and thickness is most thin up to 0.34nm, and specific surface area is
2630m2/g, carrier mobility at room temperature is about 200,000 (cm2/ vs), oneself knows one of intensity highest material, compares diamond
It is also hard, taller upper 100 times of strength ratio steel best in the world.It possesses good toughness again simultaneously, and can bend,
The theoretical Young's modulus of ideal graphite alkene reaches 1.0TPa, and fracture strength is 130GPa.Thermal conductivity factor is up to 5000W/mK, is current
Untill highest.
At present, domestic and international researcher being combined in grapheme material, modification application aspect has carried out more research, as in
State's number of patent application：CN201610825355.3 discloses a kind of preparation method of nickel oxide/graphene oxide composite material, it
The existing metal oxide particle prepared in metal oxide/graphene composite material is big and particle diameter is uneven in order to solve and
The relatively low problem of specific capacitance.Chinese Patent Application No.：CN201610821003.0, discloses a kind of FeOOH/oxidation stone
The preparation method and applications of black alkene composite.Iron oxyhydroxide/graphenoxide oxide composite material is by graphene oxide
The suspension of suspension and FeOOH is according to volume ratio 1:It is composited by hydro-thermal method after 1~2 mixing, dispersion.In
State's number of patent application：CN201610804294.2, discloses a kind of preparation method of LiFePO4/graphene composite material.Should
Method mainly includes waste lithium iron phosphate battery positive plate by organic solvent immersion, ultrasonication, ball milling, is calcined, quenches
Fire and conductive black is baking mixed obtains LiFePO 4 material；Then natural flake graphite and sodium nitrate are added to sulfuric acid molten
In liquid, aoxidized by potassium permanganate etc. and obtain graphene oxide；The LiFePO 4 material and graphene oxide that will finally obtain are mixed
Close, with METHYLPYRROLIDONE as dispersant, ball milling obtains final product LiFePO4/graphene composite material.Chinese patent application
Number：CN201610768001.X, discloses a kind of preparation method, the lithium-ion electric of stannic disulfide/graphene nanocomposite material
Pond negative pole, lithium ion battery, preparation method step include hydro-thermal operation, compound working procedure, and preparation method of the present invention causes curing
Tin directly carries out growth in situ in graphenic surface, by washing, dries and obtains sheet stannic disulfide/graphene composite material,
The materials application effectively improves the stability and electric conductivity of material in lithium ion battery negative material, lifts battery performance,
With good cycling stability, the advantages of specific energy density is high.Chinese Patent Application No.：CN201610763257.1, discloses one
Plant preparation method, lithium ion battery negative, the lithium ion battery of sesquioxide/graphene composite material, preparation method step
Including hydro-thermal operation, compound working procedure, preparation method of the present invention causes di-iron trioxide nano particle uniform load in three-dimensional graphite
In the surface and pore passage structure of alkene, by washing, dry obtain sesquioxide/graphene composite material, the materials application in
Lithium ion battery, with high power capacity, have extended cycle life, low cost and easily large-scale production etc. excellent properties.Chinese patent Shen
Please number：CN201610764913.X, discloses a kind of preparation method, the lithium-ion electric of manganese sulfide/graphene nanocomposite material
Pond negative pole, lithium ion battery, preparation method step include hydro-thermal operation, compound working procedure, and preparation method of the present invention causes manganese sulfide
Growth in situ is directly carried out in graphenic surface, by washing, is dried and is obtained manganese sulfide/graphene composite material, the present invention is logical
Over cure manganese and three-dimensional redox graphene are combined the shortcomings of to overcome stability difference caused by its Volume Changes, are strengthened it and are led
Electrically, so as to improve the performance of lithium ion battery, the materials application has cyclical stability in lithium ion battery negative material
Well, the advantages of specific energy density is high.Chinese Patent Application No.：CN201610748848.1, is related to a kind of porous with level
Molybdenum bisuphide/the graphene composite material and its synthetic method of tiny balloon shape structure, belong to Micron-nano composites prepare with
The technical field of synthesis.With big specific capacitance and excellent followed when the composite is used as electrode material for super capacitor
Ring stable charge/discharge, illustrates wide application prospect.Chinese Patent Application No.：CN201610594377.3, discloses
A kind of preparation method of the fluorinated graphene composite for being loaded with Nano Silver, the composite for obtaining has premium properties.In
State's number of patent application：A kind of manganese cobalt sulfide/graphene composite material preparation technology of electrochemical performance, the preparation technology
Middle electrochemical deposition uses three-electrode system, and working electrode is three-dimensional graphene foam, is platinized platinum to electrode, and reference electrode is
Ag/AgCl normal electrodes.This technological operation is easy, the structure of matter stabilization of preparation, and changing parameter can change the pattern of material,
And then the chemical property of lifting material, can be used for large area and prepare electrode material.
In sum, although Graphene and its composite and technology are applied to more multi-field, and performance improvement is obtained
And lifting, but the Graphene with hard high-strength due to interfacial energy it is high, intermolecular active force and chemical bond are made
With by force and be necessarily susceptible to reunite.Therefore, due to there is lamination and reunion when graphene composite material is prepared into, no
The performance advantage of high rigidity, high intensity and the high heat conduction of grapheme material can be fully demonstrated, this problem limits it bigger
Scope, the application in broader field.
The content of the invention
Present invention aim to address the deficiencies in the prior art, there is provided a kind of layer type casting moulding Graphene-metallic composite
Preparation method.The present invention be opened between graphene sheet layer under ultrasonication, under laser action grapheme material with receive
Rice metallics is merged, and the material for obtaining has high rigidity, high intensity, resistivity low, is easily processed the superiority for using
Can, can be widely applied to the material processing fields such as dental implant, super electric drill；Battery, ultracapacitor energy storage Material Field；Urge
Agent Material Field；Heat sink material field；Medical domain；Coating material field；Electrically conductive ink；Photoelectricity, sensor material field；
Biological association area etc..
The present invention is achieved by the following technical solutions：
The preparation method of layer type casting moulding Graphene-metallic composite, it is characterised in that comprise the following steps：
(1) by graphene quantum dot and/or graphene microchip and nano metal simple substance/Nanometallization under ultrasonication
Compound carries out mixed grinding, shearing, and composite slurry material or composite powder material is obtained；
(2) obtained composite slurry material or powder body material are dried, obtain anhydrous composite powder material；
(3) obtained anhydrous composite powder material carried out into quenching through laser treatment, refined, promote molecular rearrangement, grafting
Fusion, obtains a layer type casting moulding Graphene-metallic composite.
Further, the nano metal simple substance be nano level zirconium, titanium, lead, nickel, copper, silver, molybdenum, gold, palladium, zinc, aluminium,
One or more in iron, cobalt, chromium, manganese, tin, iridium, ruthenium, indium, lanthanide series metal.
Further, the nano metal compound be zirconium oxide, molybdenum bisuphide, tungsten disulfide, lead oxide, vulcanized lead,
Nickel hydroxide, nickel oxide, nickel phosphide, cupric oxide, silver oxide, palladium bichloride, zinc oxide, aluminum oxide, iron oxide, iron phosphide, vulcanization
Cobalt, lead sulfate, LiFePO4, lithium manganese phosphate, phosphoric acid vanadium lithium, vanadium phosphate sodium, lithium ferric manganese phosphate, manganese silicate of lithium, ferric metasilicate lithium, titanium
Sour lithium, cobalt acid lithium, LiMn2O4, nickel ion doped, nickle cobalt lithium manganate, cobalt oxide, titanium oxide, titanium boride, vanadium oxide, cadmium hydroxide,
Cadmium sulfide, chromium oxide, manganese oxide, tin oxide, antimony oxide, tungsten oxide, bismuth oxide, yittrium oxide, zirconium oxide, zirconium silicate, yttrium oxide,
One kind or several in iridium chloride, iridium complex, silver oxide, ruthenium-oxide, bismuth ruthenate, ruthenic acid lead, scandium oxide, indium oxide, magnesia
Kind.
Further, the ultrasonication is produced by ultrasonic head, ultrasonic device or Vltrasonic device.
Preferably, the mixed grinding of step (1) is carried out under elevated pressure conditions, and pressure is 10-250MPa, and the time is 10-
60min.Solid phase mixing grinding shearing under condition of high voltage, not only causes mixture dispersion, mixing evenly, improves its dispersion mixed
The uniformity of conjunction, more effectively reaches the stacking and reunion for preventing graphene quantum dot and/or graphene microchip, beneficial to Graphene
With the compound action and enhancing adhesion of metallics.
Further, the mixed grinding of step (1) uses the one kind or two in high pressure liquid stream method or physical grinding method
Plant combination.
Further, the high pressure liquid stream method, refers to mixture to be ground through high-pressure fluid, is sheared, crushed,
The method of mixing, wherein fluid be water, ethanol, acetone, formamide, 1-METHYLPYRROLIDONE, acetonitrile, methyl alcohol, propyl alcohol, acetone,
Dioxane, tetrahydrofuran, MEK, n-butanol, ethyl acetate, ether, isopropyl ether, dichloromethane, chloroform, bromoethane, benzene,
One or more in carbon tetrachloride, carbon disulfide, hexamethylene, hexane, kerosene.Temperature during high pressure liquid stream method mixed grinding is
2-18 DEG C, it is preferable that temperature is 4-6 DEG C.Brownian movement violent when can prevent high temperature is produced reunites again.
Further, the physical grinding method, refers to mixture to be ground through high pressure solid, is sheared, crushed,
The method of mixing.
Further, the drying means of step (2) is atmosphere pressure desiccation, low pressure seasoning, boulton process, supercritical drying
Dry method or spray drying process.
The present invention also provides a kind of layer type casting moulding Graphene-metallic composite, it is characterised in that by above-mentioned preparation side
Method is obtained.
The beneficial effects of the invention are as follows：
By the preparation method of layer type casting moulding Graphene-metallic composite of the present invention so that avoided during Graphene application
Lamination and reunion, and the multiple metallics composite of layer type casting moulding Graphene prepared by the present invention, are the stone under ultrasonication
It is opened between black alkene lamella, grapheme material is merged with nano metal material under laser action, the material tool for obtaining
Have high rigidity, high intensity, high heat conduction, resistivity low, be easily processed the superior function that uses, can be widely applied to dental implant,
The material processing fields such as super electric drill；Battery, ultracapacitor energy storage Material Field；Catalyst material field；Heat sink material is led
Domain；Medical domain；Coating material field；Electrically conductive ink；Photoelectricity, sensor material field；Biological association area etc..
Specific embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
The layer type casting moulding Graphene-metallic composite of the present embodiment, its preparation method comprises the following steps：
(1) graphene quantum dot is mixed with nano zirconium oxide powder under ultrasonic probe effect, it is high using pure water
Pressure liquid flow method high pressure abrasive, shearing, pressure are 200MPa, and the time is 30min, and temperature is 2 DEG C, and composite slurry material is obtained；
(2) obtained composite slurry material is vacuum dried, pressure is 150Pa, drying time is 60min, is obtained
Anhydrous composite powder material；
(3) by drying after anhydrous composite powder material through laser treatment carry out quenching, refine, promote molecular rearrangement, connect
Branch fusion, obtains a layer type casting moulding Graphene-metallic composite.
In other embodiments, graphene quantum dot can also use graphene microchip or graphene quantum dot and Graphene
The mixture of microplate replaces；Vacuum drying pressure can be in the range of 150-1000Pa, and drying time is 5-60min.
Embodiment 2
The layer type casting moulding Graphene-metallic composite of the present embodiment, its preparation method comprises the following steps：
(1) graphene microchip is mixed with nano titanium dioxide powder under ultrasound reactor effect, using thing
The grinding of reason polishing high-pressure physics, shearing, pressure is 100MPa, and the time is 30min, and composite slurry material is obtained；
(2) obtained composite slurry material is carried out into constant pressure and dry, drying time is 30-120min, obtains anhydrous compound
Powder body material；
(3) by drying after anhydrous composite powder material carry out quenching of laser, refine, promote molecular rearrangement, grafting fusion,
Obtain a layer type casting moulding Graphene-metallic composite.
Embodiment 3
The layer type casting moulding Graphene-metallic composite of the present embodiment, its preparation method comprises the following steps：
(1) graphene microchip is mixed with nano zirconium oxide powder under ultrasonic probe effect, using ethanol high pressure
Liquid flow method grinding, shearing, pressure are 150MPa, and the time is 45 minutes, and temperature is 18 DEG C, and composite powder material is obtained；
(2) obtained composite slurry material is spray-dried, drying time is 10-60min, is obtained anhydrous composite powder
Body material；
(3) by drying after anhydrous composite powder material carry out quenching of laser, refine, promote molecular rearrangement, grafting fusion,
Obtain a layer type casting moulding Graphene-metallic composite.
Embodiment 4
The layer type casting moulding Graphene-metallic composite of the present embodiment, its preparation method comprises the following steps：
(1) graphene microchip is mixed with nanometer zirconium metal dust under ultrasonic probe effect, using physical grinding
Method high pressure abrasive, shearing, pressure is 10MPa, and the time is 60min, and composite powder material is obtained；
(2) obtained composite slurry material is carried out into low pressure drying, pressure is 3000Pa, and drying time is 90min, is obtained
Anhydrous composite powder material；
(3) by drying after anhydrous composite powder material carry out quenching of laser, refine, promote molecular rearrangement, grafting fusion,
Obtain a layer type casting moulding Graphene-metallic composite.
In other embodiments, nanometer zirconium metal dust can also by nano level titanium, lead, nickel, copper, silver, molybdenum, gold, palladium,
One or more replacements in zinc, aluminium, iron, cobalt, chromium, manganese, tin, iridium, ruthenium, indium, lanthanide series metal；The dry pressure of low pressure can be
In the range of 1000-5000Pa, drying time is 15-90min.
Embodiment 5
The layer type casting moulding Graphene-metallic composite of the present embodiment, its preparation method comprises the following steps：
(1) graphene quantum dot, graphene microchip and nano molybdenum disulfide powder are mixed under ultrasonic probe effect
Close, using physical grinding method high pressure abrasive, shearing, pressure is 250MPa, and the time is 10min, and composite powder material is obtained；
(2) obtained composite slurry material is carried out into supercritical drying, pressure is 8000Pa, and temperature is 25 DEG C, when drying
Between be 150min, obtain anhydrous composite powder material；
(3) by drying after anhydrous composite powder material carry out quenching of laser, refine, promote molecular rearrangement, grafting fusion,
Obtain a layer type casting moulding Graphene-metallic composite.
In other embodiments, nano molybdenum disulfide powder can also be by nano level zirconium oxide, tungsten disulfide, oxidation
Lead, vulcanized lead, nickel hydroxide, nickel oxide, nickel phosphide, cupric oxide, silver oxide, palladium bichloride, zinc oxide, aluminum oxide, iron oxide, phosphorus
Change iron, cobalt sulfide, lead sulfate, LiFePO4, lithium manganese phosphate, phosphoric acid vanadium lithium, vanadium phosphate sodium, lithium ferric manganese phosphate, manganese silicate of lithium, silicon
Sour iron lithium, lithium titanate, cobalt acid lithium, LiMn2O4, nickel ion doped, nickle cobalt lithium manganate, cobalt oxide, titanium oxide, titanium boride, vanadium oxide,
Cadmium hydroxide, cadmium sulfide, chromium oxide, manganese oxide, tin oxide, antimony oxide, tungsten oxide, bismuth oxide, yittrium oxide, zirconium oxide, silicic acid
In zirconium, yttrium oxide, iridium chloride, iridium complex, silver oxide, ruthenium-oxide, bismuth ruthenate, ruthenic acid lead, scandium oxide, indium oxide, magnesia
One or more replace；The pressure of supercritical drying can be in the range of 5000-10000Pa, and temperature is 20-80 DEG C, is done
The dry time is 100-500min.
The invention is not limited in above-mentioned implementation method, if not departing from the present invention to various changes of the invention or deformation
Spirit and scope, if these are changed and within the scope of deformation belongs to claim of the invention and equivalent technologies, then this hair
It is bright to be also intended to comprising these changes and deform.
Claims (10)
1. the preparation method of layer type casting moulding Graphene-metallic composite, it is characterised in that comprise the following steps：
(1) by graphene quantum dot and/or graphene microchip and nano metal simple substance/nano metal compound under ultrasonication
Mixed grinding, shearing are carried out, composite slurry material or composite powder material is obtained；
(2) obtained composite slurry material or powder body material are dried, obtain anhydrous composite powder material；
(3) obtained anhydrous composite powder material carried out into quenching through laser treatment, refined, promote molecular rearrangement, grafting fusion,
Obtain layer type casting moulding Graphene-metallic composite.
2. the according to claim 1 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Institute
State nano metal simple substance for nano level zirconium, titanium, lead, nickel, copper, silver, molybdenum, gold, palladium, zinc, aluminium, iron, cobalt, chromium, manganese, tin, iridium,
One or more in ruthenium, indium, lanthanide series metal.
3. the according to claim 1 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Institute
Nano metal compound is stated for zirconium oxide, molybdenum bisuphide, tungsten disulfide, lead oxide, vulcanized lead, nickel hydroxide, nickel oxide, phosphatization
Nickel, cupric oxide, silver oxide, palladium bichloride, zinc oxide, aluminum oxide, iron oxide, iron phosphide, cobalt sulfide, lead sulfate, LiFePO4, phosphorus
Sour manganese lithium, phosphoric acid vanadium lithium, vanadium phosphate sodium, lithium ferric manganese phosphate, manganese silicate of lithium, ferric metasilicate lithium, lithium titanate, cobalt acid lithium, LiMn2O4, nickel
LiMn2O4, nickle cobalt lithium manganate, cobalt oxide, titanium oxide, titanium boride, vanadium oxide, cadmium hydroxide, cadmium sulfide, chromium oxide, manganese oxide,
Tin oxide, antimony oxide, tungsten oxide, bismuth oxide, yittrium oxide, zirconium oxide, zirconium silicate, yttrium oxide, iridium chloride, iridium complex, oxidation
One or more in silver, ruthenium-oxide, bismuth ruthenate, ruthenic acid lead, scandium oxide, indium oxide, magnesia.
4. the according to claim 1 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Institute
Ultrasonication is stated to be produced by ultrasonic head, ultrasonic device or Vltrasonic device.
5. the according to claim 1 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Step
Suddenly the mixed grinding of (1) is carried out under elevated pressure conditions, and pressure is 10-250MPa, and the time is 10-60min.
6. the according to claim 1 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Step
Suddenly the mixed grinding of (1) uses one or two combinations in high pressure liquid stream method or physical grinding method.
7. the according to claim 6 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Institute
High pressure liquid stream method is stated, refers to mixture to be ground through high-pressure fluid, is sheared, the method for crushed, mixing, wherein fluid
It is water, ethanol, acetone, formamide, 1-METHYLPYRROLIDONE, acetonitrile, methyl alcohol, propyl alcohol, acetone, dioxane, tetrahydrofuran, first
Ethyl ketone, n-butanol, ethyl acetate, ether, isopropyl ether, dichloromethane, chloroform, bromoethane, benzene, carbon tetrachloride, carbon disulfide, ring
One or more in hexane, hexane, kerosene, temperature during high pressure liquid stream method mixed grinding is 2-18 DEG C.
8. the according to claim 6 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Institute
Physical grinding method is stated, refers to mixture to be ground through high pressure solid, is sheared, the method for crushed, mixing.
9. the according to claim 1 layer of preparation method of type casting moulding Graphene-metallic composite, it is characterised in that：Step
Suddenly the drying means of (2) is atmosphere pressure desiccation, low pressure seasoning, boulton process, supercritical drying or spray drying process.
10. a kind of layer type casting moulding Graphene-metallic composite, it is characterised in that by any described system of claim 1~9
Preparation Method is obtained.
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