CN109957885A - A kind of static spinning membrane and preparation method thereof and the application in salt error can generate electricity - Google Patents
A kind of static spinning membrane and preparation method thereof and the application in salt error can generate electricity Download PDFInfo
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- CN109957885A CN109957885A CN201910291965.3A CN201910291965A CN109957885A CN 109957885 A CN109957885 A CN 109957885A CN 201910291965 A CN201910291965 A CN 201910291965A CN 109957885 A CN109957885 A CN 109957885A
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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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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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
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/22—Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
- H01M8/227—Dialytic cells or batteries; Reverse electrodialysis cells or batteries
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/06—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyethers
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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
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
This application involves a kind of static spinning membranes, it includes first layer static spinning membrane and the second layer static spinning membrane that is arranged on the first layer static spinning membrane, first layer static spinning membrane is made of the mixture of hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide, and second layer static spinning membrane is made of negatively charged aromatic polymer；Or first layer static spinning membrane is made of negatively charged aromatic polymer, second layer static spinning membrane is made of the mixture of hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide.The application is also to provide a kind of application of method for preparing static spinning membrane and the static spinning membrane in salt error can generate electricity.Static spinning membrane as described herein shows the higher energy output power when can generate electricity for salt error.Film porosity as described herein is high, reduces the impedance in ion transmission process, salt error energy power generation performance is greatly improved.
Description
Technical field
This application involves salt errors can generate electricity and electrostatic spinning technique field.Specifically, this application involves a kind of Static Spinnings
A kind of application of cortina, method preparing static spinning membrane and the static spinning membrane in salt error can generate electricity.
Background technique
With the rapid development of the global economy, demand of the people to the energy is growing day by day, and fossil energy will be in future very long one
Still in occupation of main position in the section time, but fossil energy is a kind of non-renewable energy resources, and there is an urgent need to find new energy
Source substitutes fossil energy.Ocean is inexhaustible treasure-house, contains multiple renewable energy sources, seawater salt error energy
It is wherein most important one kind.Enter Hai Chu in rivers, since fresh water is different with the salinity of seawater, seawater, which has fresh water, to be seeped
Pressure and the heat of dilution, absorption heat, deep or light potential difference isoconcentration difference energy thoroughly.This energy is otherwise known as salt error energy, can be used to convert
It at electric energy, therefore is a kind of clean renewable energy.
On the earth there is 2,600,000,000 kilowatts of available salt errors can (Ramon, G.Z., B.J.Feinberg,
E.M.V.Hoek.Environ.Sci.2011,4,4423-4434；Yip,N.Y.,D.A.Vermaas,K.Nijmeijer,M.E
limelech.Environ.Sci.Techonl.2014,48,4925-4936.).Although the principle that salt error can generate electricity already is sent out
It is existing, but up to this point, due to the relevant technologies low efficiency, at high cost, so salt error, which can generate electricity, fails always large-scale application.
Currently, the form that salt error can generate electricity mainly has pressure retarded osmosis method, reverse electro-osmotic method, vapour pressure deficit method, electricity
Chemical capacitance method etc..It can be concentrated mainly on using the research in field in salt error and improve the energy density of membrane material, simplify preparation work
Skill and reduction material cost etc..Electrodialysis reversal method is considered as utilizing a kind of high efficiency method of salt error energy, seawater and river
Water is separated by a series of anion-exchange membranes and cation-exchange membrane, this special potential of the energy generated by ion diffusion can lead to
The mode for crossing superposition expands, the more considerable energy output of generation (Logan, B.E., M.Elimelech, Nature.2012,
488,313-319).But since the generating efficiency of conventional counter electrodialytic process is lower, it is each for finding higher generating efficiency
The direction of state scientist effort always.Wherein Nijmeijer et al. is by reducing film spacing, so that energy output reaches
2.2W/m2(Vermaas,D.A.,M.Saakes,K.Nijmeijer,Environ.Sci.Technol.2011,45,7089-
7095), but this result is apart from commercialized benchmark (5W/m2) also there is a big difference.
Electrostatic spinning is a kind of to form injection stream under strong electric field using polymer solution or melt to carrying out spinning
The technology of processing.In recent years, due to its hyperfine fibre process, electrostatic spinning technique causes people's extensive concern.It is quiet
The nanofiber of Electrospinning preparation, have large specific surface area, porosity are high, size is easy to control, the easy functionalization in surface (such as
Surface coating, surface are modified) the features such as, many fields have important application value (Gugliuzza, A., Drioli,
E.J.Membrane Sci.2013,446,350-375；Liu,J.,Wang,N.,Yu,L.,Karton,A.,Wen Li,W.,
Zhang,W.,Fengyun Guo,F.,Hou,L.,Cheng,Q.,Jiang,L.,Weitz,D.,Zhao,
Y.Nat.Commun.2017,8,2011)。
But electrostatic spinning technique application is not prepared to the report of salt error energy power field at present still.For this purpose, this field is held
It is continuous to need to develop a kind of static spinning membrane and preparation method thereof and the application in salt error generate electricity.
Summary of the invention
The application's is designed to provide a kind of static spinning membrane that can provide generated output density, to solve above-mentioned existing
There is the technical problem in technology.The present invention cope with the reserves of traditional non-renewable energy resources in gradually recovery process increasingly under
Drop, the mankind the living environment also energy and environmental crisis due to being widely used for fossil fuel by considerable degree of destruction,
Seek the new method of the renewable salt error being widely present using nature energy.Specifically, this application provides one kind by hydrophilic
The double-deck electrostatic spinning film of the asymmetry of opposite charge made of property polymer, natural polysaccharide and aromatic polymer.
The purpose of the application, which also resides in, provides a kind of method for preparing static spinning membrane as described above.
The purpose of the application also resides in the application for providing a kind of static spinning membrane as described above in salt error can generate electricity.
In order to solve the above-mentioned technical problem, the application provides following technical scheme.
In the first aspect, the application provides a kind of static spinning membrane, which is characterized in that the static spinning membrane includes the
One layer of static spinning membrane and the second layer static spinning membrane being arranged on the first layer static spinning membrane, wherein first layer electrostatic
Spinning film has the first charge, and second layer static spinning membrane has the second charge with the first opposite charge；
Wherein, first layer static spinning membrane by hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide mixing
Object is made, and second layer static spinning membrane is made of negatively charged aromatic polymer；Or
Wherein, first layer static spinning membrane is made of negatively charged aromatic polymer, second layer static spinning membrane by
The mixture of hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide is made.
In a kind of embodiment of first aspect, the hydrophilic polymer includes polyvinyl alcohol；
And/or the crosslinking agent includes dialdehyde；
And/or the positively charged natural polysaccharide includes chitosan；
And/or the negatively charged aromatic polymer includes sulfonated polyether sulfone.
In a kind of embodiment of first aspect, the first layer static spinning membrane or second layer static spinning membrane
Fibre diameter is 50-200nm.
In second aspect, the application provides a kind of method for preparing static spinning membrane as described in relation to the first aspect, special
Sign is, the described method comprises the following steps:
S1: first layer static spinning membrane is prepared；
Hydrophilic polymer is dissolved in the water, hydrophilic polymer aqueous solution is obtained, then mixes predetermined weight ratio
Hydrophilic polymer aqueous solution, organic acid and positively charged natural polysaccharide obtain hydrophilic polymer/natural polysaccharide solution,
Obtained hydrophilic polymer/natural polysaccharide solution is subjected to electrostatic spinning, the film that electrostatic spinning obtains is received with metal foil, obtains
To first layer static spinning membrane；
S2: the first layer static spinning membrane of crosslinking is prepared；
Be suitable for crosslinking agent formed steam at a temperature of, the first layer static spinning membrane is crosslinked using crosslinking agent predetermined
Period, the first layer static spinning membrane being crosslinked after dry；
S3: the double-deck static spinning membrane is prepared；
Negatively charged aromatic polymer is dissolved in organic solvent, it is molten to obtain negatively charged aromatic polymer
Liquid, the aromatic polymer solution negatively charged to gained carry out spinning, and with the first layer static spinning membrane of the crosslinking come
The film that electrostatic spinning obtains is received, obtains the double-deck static spinning membrane after dry.
In a kind of embodiment of second aspect, in step sl and in step S3, the condition of the electrostatic spinning is:
Receiving distance is 10-20cm, and voltage 15-25kV, solution constant flow rate is 0.5-1mL h-1。
In a kind of embodiment of second aspect, in step s3, the organic solvent is n,N-Dimethylformamide
(DMF), one of n,N-dimethylacetamide (DMAc) or N-Methyl pyrrolidone (NMP).
In a third aspect, the application provides a kind of method for preparing static spinning membrane as described in relation to the first aspect, special
Sign is, the described method comprises the following steps:
S1: first layer static spinning membrane is prepared；
Negatively charged aromatic polymer is dissolved in organic solvent, it is molten to obtain negatively charged aromatic polymer
Liquid, the aromatic polymer solution negatively charged to gained carry out spinning, receive the film that electrostatic spinning obtains with metal foil, obtain
First layer static spinning membrane；
S2: the double-deck static spinning membrane is prepared；
Hydrophilic polymer is dissolved in the water, hydrophilic polymer aqueous solution is obtained, then mixes predetermined weight ratio
Hydrophilic polymer aqueous solution, organic acid and positively charged natural polysaccharide obtain hydrophilic polymer/natural polysaccharide solution,
Obtained hydrophilic polymer/natural polysaccharide solution is subjected to electrostatic spinning, receives electrostatic with the first layer static spinning membrane
The film that spinning obtains obtains the double-deck static spinning membrane；
S3: the double-deck static spinning membrane of crosslinking is prepared；
Be suitable for crosslinking agent formed steam at a temperature of, pre- timing is crosslinked to the double-deck static spinning membrane using crosslinking agent
Between section, the double-deck static spinning membrane being crosslinked after dry.
In a kind of embodiment of the third aspect, in step sl and in step S3, the condition of the electrostatic spinning is:
Receiving distance is 10-20cm, and voltage 15-25kV, solution constant flow rate is 0.5-1mL h-1。
In a kind of embodiment of the third aspect, in step s3, the organic solvent is n,N-Dimethylformamide
(DMF), one of n,N-dimethylacetamide (DMAc) or N-Methyl pyrrolidone (NMP).
In fourth aspect, the application provides the static spinning membrane of one kind as described in relation to the first aspect in salt error can generate electricity
Using.
Compared with prior art, the beneficial effects of the present application are as follows static spinning membrane as described herein can generate electricity for salt error
When show higher energy output power.Film porosity as described herein is high, reduces the resistance in ion transmission process
It is anti-, salt error energy power generation performance is greatly improved.Polyvinyl alcohol/chitosan as described herein and sulfonated polyether sulfone electrostatic spinning are multiple
It closes film to be expected to apply in salt error energy power field, and compared with traditional nano fibrous membrane, electrostatic spinning film preparation is simple, has very
Big cost advantage.
Detailed description of the invention
Fig. 1 is polyvinyl alcohol/scanning of the chitosan electrostatic spinning film after glutaraldehyde vapor crosslinking according to embodiment 1
Electron microscope.
Fig. 2 is the scanning electron microscope of the polyvinyl alcohol/chitosan and sulfonated polyether sulfone electrostatic spinning composite membrane according to embodiment 1
Figure.
Fig. 3 is the schematic diagram of salt error energy power generator used in the specific embodiment of the invention.In Fig. 3, (1) is the
One container, (2) are second container, and (3) are film prepared by the present invention, and (4) are ammeter, and (5) are load resistance, and (6) are Ag/
AgCl electrode.
Specific embodiment
Unless otherwise indicated, from context cues or belong to the convention of the prior art, otherwise number all in the application
It is all based on weight with percentage, and test and characterizing method used is all synchronous with the submission date of the application.It is being applicable in
In the case where, any patent, patent application or disclosure involved in the application are fully incorporated in this as reference, and its
Patent families of equal value are also introduced into as reference, about the synthetic technology in this field, product disclosed by these special documents
With the definition of fabrication design or catalyst etc..If the concrete term disclosed in the prior art definition with it is provided herein
Any definition is inconsistent, then term provided herein of being subject to defines.
Digital scope in the application is approximation, therefore unless otherwise stated, it may include the number other than range
Value.Numberical range include with the increased all numerical value from lower limit value to upper limit value of 1 unit, condition be any lower value with
There are the intervals of at least two unit between any high value.For example, if compositional, physics or other property (such as molecules
Amount, melt index (MI) etc.) it is 100 to 1000, it is meant that clearly list all single numbers, such as 100,101,102 etc., with
And all subranges, such as 100 to 166,155 to 170,198 to 200 etc..For comprising the numerical value less than 1 or comprising big
In the range of 1 score (such as 1.1,1.5 etc.), then suitably regard 1 unit as 0.0001,0.001,0.01 or 0.1.
For the range comprising the units less than 10 (such as 1 to 5), usually regarding 1 unit as 0.1., these are only intended to table
The specific example of the content reached, and all possible combination of the numerical value between cited minimum and peak is all recognized
In this application for clear record.
About chemical compound in use, unless explicitly stated otherwise, otherwise odd number includes all isomeric forms, otherwise also
So (for example, whole isomers that " hexane " either individually or collectively includes hexane).In addition, unless explicitly stated otherwise, otherwise using
"one", the noun that "an" or "the" are described also includes its plural form.
Term "comprising", " comprising ", " having " and their derivative are not excluded for any other component, step or mistake
The presence of journey, and whether disclose in this application with these other components, step or process unrelated.To eliminate any query,
Unless expressly stated, otherwise in the application it is all use term "comprising"s, " comprising ", or " having " composition may include appoint
What additional additive, auxiliary material or compound.On the contrary, in addition to necessary to operating characteristics those, term " substantially by ...
Composition " excludes any other component, step or process except the hereinafter described range of any term.Term " by ...
Composition " does not include any component, step or the process for not specifically describing or listing.Unless expressly stated, otherwise term "or" refers to
Separate member listed or any combination thereof.
In a specific embodiment, the application provides a kind of static spinning membrane, and the static spinning membrane includes first
Layer static spinning membrane and the second layer static spinning membrane that is arranged on the first layer static spinning membrane, wherein first layer Static Spinning
Cortina has the first charge, and second layer static spinning membrane has the second charge with the first opposite charge；
Wherein, first layer static spinning membrane by hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide mixing
Object is made, and second layer static spinning membrane is made of negatively charged aromatic polymer；Or
Wherein, first layer static spinning membrane is made of negatively charged aromatic polymer, second layer static spinning membrane by
The mixture of hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide is made.
In a specific embodiment, the application provides a kind of method for preparing static spinning membrane as described above.
In a specific embodiment, the application provides static spinning membrane as described above answering in salt error can generate electricity
With.
When two kinds of different salting liquids of concentration are poured in same container, salt ion in concentrated solution can spontaneously to
It is spread in weak solution, until salt ionic concentration is equal in the two.It is exactly to utilize two kinds of salt concentration differences that salt error, which can generate electricity,
Sewater chemistry potential difference energy, and be converted into effective electric energy.Chemical-electrical between usual seawater (3.5% salinity) and river water
Potential difference is equivalent to the height of water of 240m high.The basic mode that salt error can generate electricity is by the chemistry between the seawater of different salinity
Potential difference can be converted into the potential energy of water, recycle hydraulic turbine power generation.
In static spinning membrane of the invention, one layer of electrostatic spinning is prepared by using positively charged natural polysaccharide
Film.In a preferred embodiment, the positively charged natural polysaccharide is chitosan.Chitosan is a kind of natural polymer
Sub- compound, cheap and easy to get, biodegradability, biocompatibility are preferable, nontoxic, and have antibacterial characteristics, in many fields
It is used widely.In a specific embodiment, the deacetylation of chitosan is >=95%, viscosity 100-200mpa.s.
But chitosan spinnability is poor, it usually needs with other materials such as hydrophilic polymer co-blended spinning.In one kind
In specific embodiment, water-soluble polymer can be polyvinyl alcohol.Polyvinyl alcohol (PVA) is a kind of water-soluble polymer, is had
Good biological degradability, biocompatibility, chemical stability, it is nontoxic, and there is good spinnability and film forming.Therefore shell
Glycan usually with polyvinyl alcohol cospinning, to obtain static spinning membrane of good performance.In a specific embodiment, poly- second
The degree of polymerization of enol is 2400, alcoholysis degree 88%.
In static spinning membrane of the invention, negatively charged aromatic polymer can be used to prepare one layer of electrostatic spinning
Film.
Sulfonated polyether sulfone (SPES) is to be prepared by polyether sulfone (PES) by the method for rear sulfonation, it remains PES material
Expect excellent physical and chemical performance, in addition sulfonation process makes SPES become negatively charged material, while its hydrophily and molten
Solution property also obtains good improvement.In a specific embodiment, the sulfonation degree of sulfonated polyether sulfone is 10%, and molecular weight is
133000。
In this application, spinning fibre film with different charge is prepared respectively by electrostatic spinning technique, then by sulfonation
Polyether sulfone and polyvinyl alcohol/chitosan spinning film is compound prepares laminated film, and this laminated film have preferable mechanical property and
Stability.Presence in laminated film due to the pore structure of nano fibrous membrane and filamentary fibers can form more ions and pass
Defeated channel, improves ion transmission performance.And it, can be big on the basis of retaining highly selective due to the effect of surface charge
Ionic flux is improved to amplitude, and then improves the energy resource density of output.
In a specific embodiment, the method for preparing static spinning membrane includes the following steps:
(1) polyvinyl alcohol/chitosan electrostatic spinning film is prepared；
Polyvinyl alcohol is dissolved in the water, certain density polyvinyl alcohol water solution is made into.Dissolve chitosan in acetic acid
In, it is made into certain density chitosan solution.Poly-vinyl alcohol solution and chitosan solution are mixed in a certain proportion, poly- second is prepared
Obtained solution is carried out electrostatic spinning, the film of electrostatic spinning is received with aluminium foil by enol/chitosan solution；
(2) polyvinyl alcohol/chitosan electrostatic spinning film crosslinking；
Polyvinyl alcohol obtained in (1)/chitosan electrostatic spinning film is crosslinked with glutaraldehyde steaming process, in baking oven
It dries to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived；
(3) the double-deck electrostatic spinning film is prepared；
By sulfonated polyether sulfone dissolution in a solvent, prepare certain density sulfonated polyether sulfolane solution, by obtained solution into
Row spinning, the polyvinyl alcohol obtained in (1)/chitosan spinning film receives, and after the completion of spinning, is dried to get bilayer is arrived
Static spinning membrane.
In this embodiment, in step (1) and (3), the condition of the electrostatic spinning is: receiving distance 10-20cm, electricity
15-25kV is pressed, solution flow velocity is by syringe pump with 0.5-1.0mL h-1Constant rate of speed controlled.
In a specific embodiment, the fiber of the first layer static spinning membrane or second layer static spinning membrane is straight
Diameter is 50-200nm, it is therefore preferable to 100-150nm.
Embodiment
Below in conjunction with embodiments herein, clear and complete description is carried out to the technical solution of the application.Such as nothing
It illustrates, reagent used and raw material can all be bought by commercial sources.Actual conditions are not specified in the following example
Experimental method according to conventional methods and conditions, or is selected according to product manual.
In embodiments described below, deacetylating degree of chitosan is >=95%, viscosity 100-200mpa.s.Poly- second
The degree of polymerization of enol is 2400, alcoholysis degree 88%.The molecular weight of sulfonated polyether sulfone is 133000, sulfonation degree 10%.
In embodiments described below, salt error power generator schematic diagram used in the test of salt error power generation performance is shown in Fig. 3.
In Fig. 3, (1) is the first container, and (2) are second container, and (3) are film prepared by the present invention, and (4) are ammeter, and (5) are load
Resistance, (6) are Ag/AgCl electrode.Sodium chloride in the salt error power generator in the first container equipped with high concentration or low concentration
Solution, corresponding to the sodium chloride solution that low concentration or high concentration are housed in second container.Anode or yin are housed in the first container
Pole corresponds to and anode or cathode is housed in second container；And the conducting wire for the anode or cathode being arranged in the first container leads to
Outside the first container, the conducting wire corresponding to the cathode or anode that are arranged in second container leads to outside second container.Pass through external impressed current
Table and load resistance are by circuit communication；It is separated by between the first container and second container by salt error power generation film.
Embodiment 1
(1) preparation of the double-deck electrostatic spinning film.
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:3, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of 2.5 mass %, steaming process is to obtained polyvinyl alcohol/chitosan
It is crosslinked 12 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 50 DEG C of electrostatic spinning film.It will
Sulfonated polyether sulfone is dissolved in DMF, configures 15% solution, carries out electrostatic spinning, quiet with polyvinyl alcohol/chitosan after crosslinking
Electrospun film receives, and obtains the double-deck electrostatic spinning film.
(2) salt error power generation performance is tested.
Salt error power generator schematic diagram used in the test of salt error power generation performance in above-mentioned implementation steps (2) is shown in Fig. 3.Institute
It states in salt error power generator and the sodium chloride solution of 0.5mol/L is housed in the first container, corresponding to being equipped in second container
The sodium chloride solution of 0.01mol/L.Anode (Ag/AgCl electrode) is housed in the first container, is filled corresponding in second container
There is cathode (Ag/AgCl electrode)；And the conducting wire for the anode being arranged in the first container leads to outside the first container, corresponds to second and holds
The conducting wire for the cathode being arranged in device leads to outside second container.By external impressed current table and load resistance by circuit communication；It is described
By being separated by according to the double-deck static spinning membrane of the present embodiment between the first container and second container.
Concentration of sodium chloride solution difference is 50 times in the container (1) and container (2).
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.1w/m2。
Embodiment 2
(1) preparation of the double-deck electrostatic spinning film.
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of 2.5 mass %, steaming process is to obtained polyvinyl alcohol/chitosan
It is crosslinked 12 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 50 DEG C of electrostatic spinning film.It will
Sulfonated polyether sulfone is dissolved in DMF, configures 15% solution, carries out electrostatic spinning, quiet with polyvinyl alcohol/chitosan after crosslinking
Electrospun film receives, and obtains the double-deck electrostatic spinning film.
(2) salt error power generation performance is tested.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 3.0w/m2。
Embodiment 3
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:6, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of 2.5 mass %, steaming process is to obtained polyvinyl alcohol/chitosan
It is crosslinked 12 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 50 DEG C of electrostatic spinning film.It will
Sulfonated polyether sulfone is dissolved in DMF, configures 15% solution, carries out electrostatic spinning, quiet with polyvinyl alcohol/chitosan after crosslinking
Electrospun film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.5w/m2。
Embodiment 4
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of 2.5 mass %, steaming process is to obtained polyvinyl alcohol/chitosan
It is crosslinked 12 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 50 DEG C of electrostatic spinning film.It will
Sulfonated polyether sulfone is dissolved in NMP, configures 15% solution, carries out electrostatic spinning, quiet with polyvinyl alcohol/chitosan after crosslinking
Electrospun film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 3.1w/m2。
Embodiment 5
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of mass fraction 2.5%, steaming process is to obtained polyvinyl alcohol/shell
It is crosslinked 3 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 80 DEG C of glycan electrostatic spinning film.
Sulfonated polyether sulfone is dissolved in DMAc, 15% solution is configured, carries out electrostatic spinning, it is poly- with polyvinyl alcohol/shell after crosslinking
Sugared electrostatic spinning film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 3.0w/m2。
Embodiment 6
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with template.With the glutaraldehyde of mass fraction 5%, steaming process is to obtained polyvinyl alcohol/shell
It is crosslinked 8 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 50 DEG C of glycan electrostatic spinning film.
Sulfonated polyether sulfone is dissolved in DMAc, 15% solution is configured, carries out electrostatic spinning, it is poly- with polyvinyl alcohol/shell after crosslinking
Sugared electrostatic spinning film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.9w/m2。
Embodiment 7
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with template.With the glutaraldehyde of mass fraction 6%, steaming process is to obtained polyvinyl alcohol/shell
It is crosslinked 6 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 70 DEG C of glycan electrostatic spinning film.
Sulfonated polyether sulfone is dissolved in DMAc, 20% solution is configured, carries out electrostatic spinning, it is poly- with polyvinyl alcohol/shell after crosslinking
Sugared electrostatic spinning film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.7w/m2。
Embodiment 8
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:5, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of mass fraction 10%, steaming process is to obtained polyvinyl alcohol/shell
It is crosslinked 5 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 65 DEG C of glycan electrostatic spinning film.
Sulfonated polyether sulfone is dissolved in DMF, 18% solution is configured, electrostatic spinning is carried out, with polyvinyl alcohol/chitosan after crosslinking
Electrostatic spinning film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 3.0w/m2。
Embodiment 9
Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk, the film of electrostatic spinning is received with aluminium foil.With the glutaraldehyde of mass fraction 5%, steaming process gathers obtained polyvinyl alcohol/shell
It is crosslinked 5 hours, dries in baking oven to get polyvinyl alcohol/chitosan electrostatic spinning film is arrived at 75 DEG C of sugared electrostatic spinning film.It will
Sulfonated polyether sulfone is dissolved in DMAc, configures 18% solution, electrostatic spinning is carried out, with polyvinyl alcohol/chitosan after crosslinking
Electrostatic spinning film receives, and obtains the double-deck electrostatic spinning film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.8w/m2。
Embodiment 10
Sulfonated polyether sulfone is dissolved in DMF, 15% solution is configured, electrostatic spinning is carried out, receives electrostatic with aluminium foil
The film of spinning.Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk is received with sulfonated polyether sulfone electrostatic spinning film, obtains the double-deck electrostatic spinning film.With the glutaraldehyde of mass fraction 2.5%,
Steaming process is dried in baking oven to being crosslinked 6 hours at 60 DEG C of the obtained double-deck electrostatic spinning film to get poly- to polyvinyl alcohol/shell
Sugared quiet/sulfonated polyether sulfone bilayer Electrospun film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 3.1w/m2。
Embodiment 11
Sulfonated polyether sulfone is dissolved in DMF, 12% solution is configured, electrostatic spinning is carried out, receives electrostatic with aluminium foil
The film of spinning.Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk is received with sulfonated polyether sulfone electrostatic spinning film, obtains the double-deck electrostatic spinning film.With the glutaraldehyde of mass fraction 2.5%,
Steaming process is dried in baking oven to being crosslinked 6 hours at 60 DEG C of the obtained double-deck electrostatic spinning film to get poly- to polyvinyl alcohol/shell
Sugared quiet/sulfonated polyether sulfone bilayer Electrospun film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.9w/m2。
Embodiment 13
Sulfonated polyether sulfone is dissolved in DMF, 12% solution is configured, electrostatic spinning is carried out, receives electrostatic with aluminium foil
The film of spinning.Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:5, and obtained mixed solution is carried out Static Spinning
Silk is received with sulfonated polyether sulfone electrostatic spinning film, obtains the double-deck electrostatic spinning film.With the glutaraldehyde of mass fraction 5%, steam
Vapour method is dried in baking oven to being crosslinked 5 hours at 60 DEG C of the obtained double-deck electrostatic spinning film to get polyvinyl alcohol/chitosan is arrived
Quiet/sulfonated polyether sulfone bilayer Electrospun film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.8w/m2。
Embodiment 14
Sulfonated polyether sulfone is dissolved in DMAc, 15% solution is configured, electrostatic spinning is carried out, receives electrostatic with aluminium foil
The film of spinning.Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk is received with sulfonated polyether sulfone electrostatic spinning film, obtains the double-deck electrostatic spinning film.With the glutaraldehyde of mass fraction 2.5%,
Steaming process is dried in baking oven to being crosslinked 6 hours at 60 DEG C of the obtained double-deck electrostatic spinning film to get poly- to polyvinyl alcohol/shell
Sugared quiet/sulfonated polyether sulfone bilayer Electrospun film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 2.9w/m2。
Embodiment 14
Sulfonated polyether sulfone is dissolved in DMAc, 15% solution is configured, electrostatic spinning is carried out, receives electrostatic with aluminium foil
The film of spinning.Polyvinyl alcohol is dissolved in the water, 10% polyvinyl alcohol water solution is made into.Dissolve the chitosan in 50% second
In aqueous acid, it is made into 5% chitosan solution.10% poly-vinyl alcohol solution and 5% chitosan solution is taken to be made into mixing
Solution is counted on the basis of quality, polyvinyl alcohol in mixed solution: chitosan=1:4, and obtained mixed solution is carried out Static Spinning
Silk is received with sulfonated polyether sulfone electrostatic spinning film, obtains the double-deck electrostatic spinning film.With the glutaraldehyde of mass fraction 5%, steam
Vapour method is dried in baking oven to being crosslinked 4 hours at 70 DEG C of the obtained double-deck electrostatic spinning film to get polyvinyl alcohol/chitosan is arrived
Quiet/sulfonated polyether sulfone bilayer Electrospun film.
The test of salt error power generation performance, test method is with equipment therefor referring to embodiment 1.
The generated output density of above-mentioned bilayer electrostatic spinning salt error power generation film is 3.0w/m2。
The above-mentioned description to embodiment is that this Shen can be understood and applied for the ease of those skilled in the art
Please.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without paying creative labor.Therefore, the application is not limited to implementation here
Example, those skilled in the art make according to herein disclosed content in the case where not departing from the application scope and spirit
It improves and modifies all within the scope of the present application.
Claims (10)
1. a kind of static spinning membrane, which is characterized in that the static spinning membrane includes first layer static spinning membrane and is arranged at this
Second layer static spinning membrane on first layer static spinning membrane, wherein first layer static spinning membrane have the first charge, second
Layer static spinning membrane has the second charge with the first opposite charge；
Wherein, first layer static spinning membrane by hydrophilic polymer, crosslinking agent and positively charged natural polysaccharide mixture system
At second layer static spinning membrane is made of negatively charged aromatic polymer；Or
Wherein, first layer static spinning membrane is made of negatively charged aromatic polymer, and second layer static spinning membrane is by hydrophilic
The mixture of property polymer, crosslinking agent and positively charged natural polysaccharide is made.
2. static spinning membrane as described in claim 1, which is characterized in that the hydrophilic polymer includes polyvinyl alcohol；
And/or the crosslinking agent includes dialdehyde；
And/or the positively charged natural polysaccharide includes chitosan；
And/or the negatively charged aromatic polymer includes sulfonated polyether sulfone.
3. static spinning membrane as described in claim 1, which is characterized in that the first layer static spinning membrane or the second layer are quiet
The fibre diameter of electrospun membrane is 50-200nm.
4. a kind of method for preparing static spinning membrane as described in claim 1, which is characterized in that the method includes following steps
It is rapid:
S1: first layer static spinning membrane is prepared；
Hydrophilic polymer is dissolved in the water, hydrophilic polymer aqueous solution is obtained, then mixes the hydrophilic of predetermined weight ratio
Property aqueous solutions of polymers, organic acid and positively charged natural polysaccharide, obtain hydrophilic polymer/natural polysaccharide solution, will
The hydrophilic polymer arrived/natural polysaccharide solution carries out electrostatic spinning, receives the film that electrostatic spinning obtains with metal foil, obtains the
One layer of static spinning membrane；
S2: the first layer static spinning membrane of crosslinking is prepared；
Be suitable for crosslinking agent formed steam at a temperature of, using crosslinking agent to the first layer static spinning membrane be crosslinked the predetermined time
Section, the first layer static spinning membrane being crosslinked after dry；
S3: the double-deck static spinning membrane is prepared；
Negatively charged aromatic polymer is dissolved in organic solvent, negatively charged aromatic polymer solution is obtained,
The aromatic polymer solution negatively charged to gained carries out spinning, and is received with the first layer static spinning membrane of the crosslinking
The film that electrostatic spinning obtains obtains the double-deck static spinning membrane after dry.
5. method as claimed in claim 4, which is characterized in that in step sl and in step S3, the item of the electrostatic spinning
Part is: receiving distance is 10-20cm, and voltage 15-25kV, solution constant flow rate is 0.5-1mL h-1。
6. method as claimed in claim 4, which is characterized in that in step s3, the organic solvent is N, N- dimethyl methyl
One of amide (DMF), n,N-dimethylacetamide (DMAc) or N-Methyl pyrrolidone (NMP).
7. a kind of method for preparing static spinning membrane as described in claim 1, which is characterized in that the method includes following steps
It is rapid:
S1: first layer static spinning membrane is prepared；
Negatively charged aromatic polymer is dissolved in organic solvent, negatively charged aromatic polymer solution is obtained,
The aromatic polymer solution negatively charged to gained carries out spinning, receives the film that electrostatic spinning obtains with metal foil, obtains the
One layer of static spinning membrane；
S2: the double-deck static spinning membrane is prepared；
Hydrophilic polymer is dissolved in the water, hydrophilic polymer aqueous solution is obtained, then mixes the hydrophilic of predetermined weight ratio
Property aqueous solutions of polymers, organic acid and positively charged natural polysaccharide, obtain hydrophilic polymer/natural polysaccharide solution, will
The hydrophilic polymer arrived/natural polysaccharide solution carries out electrostatic spinning, receives electrostatic spinning with the first layer static spinning membrane
Obtained film obtains the double-deck static spinning membrane；
S3: the double-deck static spinning membrane of crosslinking is prepared；
Be suitable for crosslinking agent formed steam at a temperature of, using crosslinking agent is crosslinked to the double-deck static spinning membrane predetermined time
Section, the double-deck static spinning membrane being crosslinked after dry.
8. the method for claim 7, which is characterized in that in step sl and in step S3, the item of the electrostatic spinning
Part is: receiving distance is 10-20cm, and voltage 15-25kV, solution constant flow rate is 0.5-1mL h-1。
9. the method for claim 7, which is characterized in that in step s3, the organic solvent is N, N- dimethyl methyl
One of amide (DMF), n,N-dimethylacetamide (DMAc) or N-Methyl pyrrolidone (NMP).
10. a kind of application of static spinning membrane as described in claim 1 in salt error can generate electricity.
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