CN109546110A - A kind of composite graphite electrode preparation method and preparation facilities - Google Patents
A kind of composite graphite electrode preparation method and preparation facilities Download PDFInfo
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- CN109546110A CN109546110A CN201811344670.XA CN201811344670A CN109546110A CN 109546110 A CN109546110 A CN 109546110A CN 201811344670 A CN201811344670 A CN 201811344670A CN 109546110 A CN109546110 A CN 109546110A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
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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
- Y02E60/10—Energy storage using batteries
Abstract
The embodiment of the present application shows a kind of composite graphite electrode preparation method and preparation facilities, comprising: is uniformly mixed graphite oxide and dinethylformamide, high molecular polymer, urea and zinc salt compound is added, obtains electrostatic spinning solution；After electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；It is transferred to carbide furnace after composite nano fiber is aoxidized in oxygen, obtains porous composite nano fiber after heating carbonization；Graphene is dissolved in solution with porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；Calcination processing obtains composite graphite electrode, and composite graphite electrode preparation method of the invention, not only specific capacity is big but also good cycling stability, again forthright height for composite graphite electrode obtained.
Description
Technical field
The present invention relates to composite graphite electrode fabrication field, in particular to a kind of composite graphite electrode preparation method and
Preparation facilities.
Background technique
Graphene is a kind of important semiconductor material, and due to its small size, high-specific surface area, more adsorption sites cause
It its surface can be with active increase.Compared with other conventional semiconductor materials, due to being moved with higher luminous efficiency and electronics
It moves rate and is applied to luminescent material and electronic device material.Due to its excellent electronic conduction ability and catalysis characteristics, closely
There is biggish research in terms of electrochemical sensing over year.Simultaneously because graphene surface contains more hydroxyl etc., it is commonly used to make
The preparation method of the adsorbent material graphene nano fiber of standby heavy metal ion usually has the precipitation method, hydro-thermal method, electrochemical deposition
Method, sol-gel method.But these methods it is all different degrees of there are some problems, the product of such as precipitation method preparation has reunion existing
As hydro-thermal method is to the more demanding of experimental facilities, although sol-gel method reaction process is controllable, its cost of material is expensive.
And the product of these methods preparation is mostly nano particle or nano thin-film.Currently, the lithium battery motor material that commercialization uses
As long as there is graphitic carbon material, but the theoretical capacity of graphite only has 372mAh/g, compared with graphitic carbon material, some transition metal
Although oxide specific capacity is high, huge volume change and serious particle aggregation can occur during embedding de- lithium, cause
Charge and lithium ion transport and diffusion are poor, and the cyclical stability as electrode material is poor, high rate performance is not high.
Summary of the invention
To overcome the problems in correlation technique, the present invention provides a kind of composite graphite electrode preparation method and preparation dress
It sets, solves the problems, such as that electrode in the prior art cannot combine specific capacity and recycle, be forthright again.
First aspect of the embodiment of the present invention discloses a kind of composite graphite electrode preparation method, the composite graphite electrode system
Preparation Method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Optionally, the high molecular polymer is the mixture of polyacrylonitrile and polymethyl methacrylate.
Optionally, the mass ratio of the polyacrylonitrile and the polymethyl methacrylate is 1:3-2:1.
Optionally, the zinc salt compound is the mixture of zinc nitrate, zinc oxalate and zinc chloride.
Optionally, the predetermined temperature is 65 DEG C -75 DEG C.
Optionally, it is described be heated under predetermined temperature stirring as stirring 5-6h after, then after standing 12h, obtain electrostatic spinning
Solution.
Optionally, the applied voltage of the electrostatic spinning be 25kv, solidification distance be 16cm, fltting speed 0.3mL/h,
Temperature is 45 DEG C, humidity 65%.
Optionally, the weight concentration ratio of the graphene and the porous composite nano fiber is 1:4-2:1.
Using a kind of composite graphite electrode preparation method that first aspect provides, by graphite oxide and dinethylformamide
It is uniformly mixed, high molecular polymer, urea and zinc salt compound is added, is heated to stir under predetermined temperature, obtains Static Spinning
Silk solution；After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；By the composite Nano
Fiber is transferred to carbide furnace after aoxidizing in oxygen, obtain porous composite nano fiber after heating carbonization；By graphene with it is described
Porous composite nano fiber is dissolved in solution and is uniformly mixed, and obtains composite graphite electrode precursor liquid；Before the composite graphite electrode
After driving liquid drying, calcination processing is carried out, obtains the composite graphite electrode, composite graphite electrode preparation method of the invention is first
After first preparing electrostatic spinning solution, composite nano fiber is prepared, then prepares porous composite nano fiber, compound is received porous later
Rice fiber is mixed with graphene so that graphene enters in the hole of porous composite nano fiber, and obtained composite graphite electrode is made
Not only specific capacity is big but also good cycling stability, again forthright height for the composite graphite electrode obtained.
According to the second aspect of the disclosure, a kind of composite graphite electrode preparation facilities is provided, described device includes: syringe
And electrostatic releaser, the syringe are set to the side of the electrostatic releaser, charging are provided at the top of the syringe
Device, the inside of the feeder are connected with the inside of the syringe, and the one of separate institute's electrostatic releaser of the syringe
End is provided with air pump, and the inside of the syringe is connected with the inside of the electrostatic releaser, and the electrostatic releaser includes
Electrostatic shell, electrostatic inner casing, electrostatic needle accommodating cavity, electrostatic needle and discharger, the electrostatic inner casing are set to outside the electrostatic
The inside of shell, the electrostatic needle accommodating cavity are set to the inside of the electrostatic inner casing, and the electrostatic needle is set to the electrostatic needle
The inside of accommodating cavity, the discharger are set to the outside of the electrostatic shell, and the discharger is electrically connected with the electrostatic needle.
Optionally, the syringe is set as multiple, and circumferentially formula is distributed in the Electro-static Driven Comb to multiple syringes
The outside of device.
Composite graphite electrode preparation facilities shown in second aspect is used for electrostatic spinning, prepares composite nano fiber, uses
When, electrostatic spinning solution is poured into syringe from feeder, closes feeder later, air pump is opened, so that electrostatic spinning is molten
Liquid is squeezed into electrostatic releaser from syringe, opens discharger, and discharger discharges high-voltage electricity, and high pressure is enriched with electrostatic needle needle point
Charge, electrically charged electrostatic spinning solution drop are stretched under the action of electric field, form nothing in the bottom of electrostatic releaser
The composite nano fiber of spinning state.The composite nano fiber of formation is with preparing composite graphite electrode.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of flow diagram of composite graphite electrode preparation method provided in an embodiment of the present invention；
Fig. 2 is a kind of overall schematic of composite graphite electrode preparation facilities provided in an embodiment of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Embodiment one
It is a kind of composite graphite electrode preparation method provided in an embodiment of the present invention, which is characterized in that described compound referring to Fig. 1
Graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Electrostatic spinning provide it is a kind of it is unique prepare micro-, nanofiber technology, obtained by electrospinning fibre aperture, hole
The available control of gap rate is usually applied to include organizational project, drug conveying, catalyst carrier, gas storage, sensor etc.
Various aspects are most economical, the convenient and fast methods for preparing nanofiber of current most study.Oxygen is made using electrostatic spinning technique
Changing zinc nanofiber, not only method is simple to operation, and since the product of preparation has large specific surface area, porosity high, uniform
Property good, easy film forming the advantages that, thus its product have when making combination electrode it is reusable.
The composite graphite electrode preparation method that embodiment one provides mixes graphite oxide and dinethylformamide equal
It is even, high molecular polymer, urea and zinc salt compound is added, is heated to stir under predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；The composite nano fiber is existed
It is transferred to carbide furnace after aoxidizing in oxygen, obtains porous composite nano fiber after heating carbonization；By graphene with it is described porous multiple
Conjunction nanofiber is dissolved in solution and is uniformly mixed, and obtains composite graphite electrode precursor liquid；The composite graphite electrode precursor liquid is dried
After dry, calcination processing is carried out, obtains the composite graphite electrode, composite graphite electrode preparation method of the invention is prepared first
After electrostatic spinning solution, composite nano fiber is prepared, then prepares porous composite nano fiber, later by porous composite nano fiber
It is mixed with graphene so that graphene enters in the hole of porous composite nano fiber, obtained composite graphite electrode is obtained multiple
Closing graphite electrode, not only specific capacity is big but also good cycling stability, again forthright height.
Embodiment two is a kind of composite graphite electrode preparation method that the preferred embodiment of the invention provides, and feature exists
In, the composite graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Wherein, the high molecular polymer is the mixture of polyacrylonitrile and polymethyl methacrylate.High molecular polymerization
Object be a kind of relative molecular mass usually 10 ~ 10 or more macromolecular substances, atomicity contained by molecule usually counts tens of thousands of, several
100000 are even as high as millions of a molecules.Polyacrylonitrile and polymethyl methacrylate are easily soluble in solvent, preparation property
Excellent electrostatic spinning solution.
Embodiment three is a kind of composite graphite electrode preparation method that the preferred embodiment of the invention provides, and feature exists
In, the composite graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Wherein, the mass ratio of the polyacrylonitrile and the polymethyl methacrylate is 1:3-2:1.Test proves that
When the mass ratio of the polyacrylonitrile and the polymethyl methacrylate is 1:3-2:1, the electrostatic spinning solution of preparation more holds
Easily carry out electrostatic spinning processing.
Example IV is a kind of composite graphite electrode preparation method that the preferred embodiment of the invention provides, and feature exists
In, the composite graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Wherein, the zinc salt compound is the mixture of zinc nitrate, zinc oxalate and zinc chloride.Zinc salt compound can increase
Metal ion in solubilization liquid, the electrode of preparation has more good stability under the action of heavy metal ion zinc, anti-interference
Property is more preferable.
Embodiment five is a kind of composite graphite electrode preparation method that the preferred embodiment of the invention provides, and feature exists
In, the composite graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Wherein, the predetermined temperature is 65 DEG C -75 DEG C.
Embodiment six is a kind of composite graphite electrode preparation method that the preferred embodiment of the invention provides, and feature exists
In, the composite graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Wherein, it is described be heated under predetermined temperature stirring as stirring 5-6h after, then after standing 12h, it is molten to obtain electrostatic spinning
Liquid.
Embodiment seven is a kind of composite graphite electrode preparation method that the preferred embodiment of the invention provides, and feature exists
In, the composite graphite electrode preparation method the following steps are included:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
Wherein, the weight concentration ratio of the graphene and the porous composite nano fiber is 1:4-2:1.
A kind of composite graphite electrode preparation facilities shown in second aspect, referring to Fig. 2, described device is used for Static Spinning
Silk, described device includes: syringe 1 and electrostatic releaser 2, and the syringe 1 is set to the side of the electrostatic releaser 2,
The top of the syringe 1 is provided with feeder 11, and the inside of the feeder 11 is connected with the inside of the syringe 1,
One end of separate institute's electrostatic releaser 2 of the syringe 1 is provided with air pump 12, the inside of the syringe 1 and the electrostatic
The inside of release 2 is connected, the electrostatic releaser 2 include electrostatic shell 21, electrostatic inner casing 22, electrostatic needle accommodating cavity 23,
Electrostatic needle 24 and discharger 25, the electrostatic inner casing 22 are set to the inside of the electrostatic shell 21, the electrostatic needle accommodating
Chamber 23 is set to the inside of the electrostatic inner casing 22, and the electrostatic needle 24 is set to the inside of the electrostatic needle accommodating cavity 23, institute
The outside that discharger 25 is set to the electrostatic shell 21 is stated, the discharger 25 is electrically connected with the electrostatic needle 24.In use,
Electrostatic spinning solution is poured into syringe 1 from feeder 11, closes feeder 11 later, air pump 12 is opened, so that Static Spinning
Silk solution is squeezed into electrostatic releaser 2 from syringe 1, opens discharger 25, and discharger 25 discharges high-voltage electricity, and high pressure makes electrostatic
24 needle point of needle is enriched with charge, and electrically charged electrostatic spinning solution drop is stretched under the action of electric field, in electrostatic releaser 2
Bottom formed nonwoven state composite nano fiber.The composite nano fiber of formation is with preparing composite graphite electrode.
Wherein, the syringe 1 is set as multiple, and circumferentially formula is distributed in the Electro-static Driven Comb to multiple syringes 1
The outside of device 2.The efficiency of injection can be improved in multiple syringes 1.
Those skilled in the art will readily occur to its of the application after considering specification and practicing application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by above
Claim is pointed out.
It should be understood that the application is not limited to the accurate process for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (10)
1. a kind of composite graphite electrode preparation method, which is characterized in that the composite graphite electrode preparation method includes following step
It is rapid:
Graphite oxide and dinethylformamide are uniformly mixed, high molecular polymer, urea and zinc salt compound is added, adds
It is stirred under heat to predetermined temperature, obtains electrostatic spinning solution；
After the electrostatic spinning solution is poured into syringe electrostatic spinning, composite nano fiber is obtained；
Carbide furnace is transferred to after the composite nano fiber is aoxidized in oxygen, it is fine to obtain porous composite Nano after heating carbonization
Dimension；
Graphene is dissolved in solution with the porous composite nano fiber to be uniformly mixed, obtains composite graphite electrode precursor liquid；
After composite graphite electrode precursor liquid drying, calcination processing is carried out, the composite graphite electrode is obtained.
2. a kind of composite graphite electrode preparation method according to claim 1, which is characterized in that the high molecular polymer
For the mixture of polyacrylonitrile and polymethyl methacrylate.
3. a kind of composite graphite electrode preparation method according to claim 2, which is characterized in that the polyacrylonitrile and institute
The mass ratio for stating polymethyl methacrylate is 1:3-2:1.
4. a kind of composite graphite electrode preparation method according to claim 2, which is characterized in that the zinc salt compound is
The mixture of zinc nitrate, zinc oxalate and zinc chloride.
5. a kind of composite graphite electrode preparation method according to claim 1, which is characterized in that the predetermined temperature is 65
℃-75℃。
6. a kind of composite graphite electrode preparation method according to claim 1, which is characterized in that described to be heated to predetermined temperature
After the lower stirring of degree is stirring 5-6h, then after standing 12h, electrostatic spinning solution is obtained.
7. a kind of composite graphite electrode preparation method according to claim 1, which is characterized in that outside the electrostatic spinning
Making alive is 25kv, solidification distance is 16cm, fltting speed 0.3mL/h, temperature are 45 DEG C, humidity 65%.
8. a kind of composite graphite electrode preparation method according to claim 1, which is characterized in that the graphene with it is described
The weight concentration ratio of porous composite nano fiber is 1:4-2:1.
9. a kind of composite graphite electrode preparation facilities, which is characterized in that described device is used for electrostatic spinning, and described device includes:
Syringe (1) and electrostatic releaser (2), the syringe (1) are set to the side of the electrostatic releaser (2), the injection
It being provided at the top of device (1) feeder (11), the inside of the feeder (11) is connected with the inside of the syringe (1),
One end of separate institute's electrostatic releaser (2) of the syringe (1) is provided with air pump (12), the inside of the syringe (1) with
The inside of the electrostatic releaser (2) is connected, the electrostatic releaser (2) include electrostatic shell (21), electrostatic inner casing (22),
Electrostatic needle accommodating cavity (23), electrostatic needle (24) and discharger (25), the electrostatic inner casing (22) are set to the electrostatic shell
(21) inside, the electrostatic needle accommodating cavity (23) are set to the inside of the electrostatic inner casing (22), and the electrostatic needle (24) sets
It is placed in the inside of the electrostatic needle accommodating cavity (23), the discharger (25) is set to the outside of the electrostatic shell (21), institute
Discharger (25) is stated to be electrically connected with the electrostatic needle (24).
10. a kind of composite graphite electrode preparation facilities stated according to claim 9, which is characterized in that syringe (1) setting
To be multiple, circumferentially formula is distributed in the outsides of the electrostatic releaser (2) to multiple syringes (1).
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