CN106784948A - A kind of polymer dielectric film fuel cell based on Electrostatic Absorption - Google Patents
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption Download PDFInfo
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- CN106784948A CN106784948A CN201710167695.6A CN201710167695A CN106784948A CN 106784948 A CN106784948 A CN 106784948A CN 201710167695 A CN201710167695 A CN 201710167695A CN 106784948 A CN106784948 A CN 106784948A
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- Prior art keywords
- electrostatic
- polymer dielectric
- fuel cell
- dielectric film
- cell based
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Classifications
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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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1065—Polymeric electrolyte materials characterised by the form, e.g. perforated or wave-shaped
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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 invention discloses a kind of polymer dielectric film fuel cell based on Electrostatic Absorption, it is made up of positive plate, minus plate, anode gas diffusion layer, cathode gas diffusion layer, anode catalyst layer, cathode catalyst layer, amberplex and seal member；Wherein, amberplex is made up of electrostatic net, barrier film and polymer dielectric.The input that the present invention passes through external circuit, makes electrostatic net carry a large amount of electric charges with ionomer ionic group same alike result, so as to improve the ion exchange capacity of amberplex, improves the electrical conductivity of amberplex.The present invention can also be by the control of external circuit, realize the loading and release of electrostatic net electric charge, when wire netting is loaded, ion quick adsorption in polymer dielectric is to metal net surface, raise the ion concentration of metal net surface, then wire netting release electric charge, the ion in polymer dielectric accelerates conduction after losing tractive force, by this method, the electrical conductivity of amberplex can equally be improved.
Description
Technical field
The invention belongs to fuel cell field, more particularly to a kind of polymer dielectric film fuel electricity based on Electrostatic Absorption
Pond.
Background technology
Fuel cell can be realized utilizing the high-efficiency cleaning of fuel, thus be to alleviate the energy that becomes increasingly conspicuous, environment to ask
One of effective way of topic.According to the difference of electrolyte, existing fuel cell can mainly be classified as：It is phosphoric acid fuel cell, solid
Oxide body fuel cell, molten carbonate fuel cell, alkaline fuel cell, polymer dielectric film fuel cell
, and the emerging fuel cell based on two-dimensional material (Graphene, boron nitride) barrier film (PEMFC)；Wherein polymer electrolytic
The advantage such as membrane fuel cell generally has power density higher, service life more long and application field is more extensive.
For polymer dielectric film fuel cell, its battery diaphragm is the pass for influenceing battery performance and realizing sizable application
Key.The effect of battery diaphragm is mainly used for intercepting the ion that fuel leak and conducting electrode reaction are produced.Based on polymer
Battery diaphragm mainly have PEM and anion-exchange membrane.The research of PEM is more, E.I.Du Pont Company
Nafion series membranes have been realized in commercialization, and its proton conductivity has reached 0.1s/cm, and the ion of anion-exchange membrane is led
Electric rate is relatively low, it is difficult to meet the electrical conductivity requirement of fuel cell.
The electric conductivity of polymer dielectric film is to realize that PEM leads to by the transmitting procedure of charged ion in film
The transmitting procedure for crossing proton realizes that anion-exchange membrane is realized by the transmitting procedure of anion, anion be generally OH- from
Son.The research for improving battery diaphragm electrical conductivity at present focuses primarily upon the directions such as new material exploitation, the filling of nm materials, these researchs
Be conducive to the raising of battery diaphragm electrical conductivity to a certain extent, but can not still meet the electrical conductivity demand of fuel cell, especially
It is anion-exchange membrane fuel cells.
The content of the invention
It is an object of the invention to provide a kind of polymer dielectric film fuel cell based on Electrostatic Absorption, by electrostatic
The ion conduction rate of fuel cell polymer electrolyte membrane is accelerated in suction-operated.
In order to realize the above object the present invention uses following technical scheme, a kind of polymer electrolytic based on Electrostatic Absorption
Membrane fuel cell, by positive plate, minus plate, anode gas diffusion layer, cathode gas diffusion layer, anode catalyst layer, negative electrode
Catalyst layer, amberplex and seal member composition；Positive plate is oppositely arranged with minus plate；The positive plate is towards described the moon
The side of pole plate is provided with anode gas diffusion layer；The minus plate is provided with cathode gas and expands towards the side of the positive plate
Dissipate layer；The anode gas diffusion layer is provided with anode catalyst layer towards the side of the cathode gas diffusion layer；Described the moon
Pole gas diffusion layers are provided with cathode catalyst layer towards the side of the anode gas diffusion layer；The anode catalyst layer with
Amberplex is provided between the cathode catalyst layer；The amberplex is by electrostatic net, barrier film and electrostrictive polymer
Solution matter composition, electrostatic net is rectangular sheet, and evenly distributed through hole is provided with the working region of electrostatic net side；It is described every
The outer surface that electrostatic net includes but is not limited to the working region is covered in from film, comprising in the through hole in the working region
Surface；The polymer dielectric is covered in the both sides of working region described in barrier film, and full of being covered by silicon nitride
In electrostatic Netcom hole；The seal member is by anode seal pad, negative electrode gasket seal, intermediate seal pad and fluid sealant group
Into；The anode seal pad is arranged on anode catalyst layer and anode gas diffusion layer surrounding, towards positive plate side and sun
Pole plate is fitted；The negative electrode gasket seal is arranged on cathode catalyst layer and cathode gas diffusion layer surrounding, towards minus plate one
Fitted with minus plate side；The intermediate seal pad is U-shaped, is enclosed in the conversion zone side of amberplex, the sealing
Glue is filled in amberplex non-reaction zone domain, in the space between anode seal pad, negative electrode gasket seal.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, in the electrostatic net working region
Through-hole diameter is less than 10 μm, and porosity is between 50% to 80%.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, it is evenly distributed in the electrostatic net
Through hole can be covered with whole electrostatic net.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the electrostatic net is by conductive material system
Into thickness is between 20 μm to 80 μm.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the barrier film is by insulating materials system
Into thickness is between 30nm to 200nm.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the polymer dielectric film can be with
It is PEM, or anion-exchange membrane.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the electrostatic net can be by additional
Circuit applies electrostatic and release electrostatic, and for PEM, electrostatic net applies negative electricity, for anion-exchange membrane, electrostatic net
Apply positive electricity.
From above technical scheme, the beneficial effects of the invention are as follows, by the input of external circuit, can be by two kinds
Mode improves the electrical conductivity of amberplex, specific as follows：
1., by the input of external circuit, electrostatic net is carried a large amount of electricity with ionomer ionic group same alike result
Lotus, so as to improve the ion exchange capacity of amberplex, improves the electrical conductivity of amberplex.
2., by the control of external circuit, the loading and release of electrostatic net electric charge, when wire netting is loaded, electrostrictive polymer are realized
Ion quick adsorption in solution matter raises the ion concentration of metal net surface to metal net surface, then wire netting release electricity
Lotus, the ion in polymer dielectric accelerates conduction after losing tractive force, by this method, can equally improve ion exchange
The electrical conductivity of film.
Brief description of the drawings
Fig. 1 is a kind of stereogram of the polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the partial enlarged drawing of a-quadrant in Fig. 1.
Fig. 4 is that a kind of electrostatic web frame of the polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention is illustrated
Figure.
Fig. 5 is a kind of electrostatic net covering barrier film of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention
Structural representation afterwards.
Fig. 6 is that a kind of ion exchange membrane structure of the polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention is shown
It is intended to.
In figure：1. cathode catalyst layer, 2. cathode gas diffusion layer, 3. negative electrode gasket seal, 4. minus plate, 5. ion hand over
Film is changed, 6. fluid sealant, 7. anode seal pad, 8. positive plate, 9. anode gas diffusion layer, 10. anode catalyst layer, in 11.
Between gasket seal, 12. seal members, 51. electrostatic nets, 52. barrier films, 53. polymer dielectrics, 54. working regions, 55. lead to
Hole.
Specific embodiment：
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, as depicted in figs. 1 and 2, by anode
Plate 8, minus plate 4, anode gas diffusion layer 9, cathode gas diffusion layer 2, anode catalyst layer 10, cathode catalyst layer 1, ion
Exchange membrane 5 and seal member 12 are constituted；Positive plate 8 is oppositely arranged with minus plate 4；The positive plate 8 is towards the minus plate 4
Side is provided with anode gas diffusion layer 9；The minus plate 4 is provided with cathode gas diffusion towards the side of the positive plate 8
Layer 2；The anode gas diffusion layer 9 is provided with anode catalyst layer 10 towards the side of the cathode gas diffusion layer 2；It is described
Cathode gas diffusion layer 2 is provided with cathode catalyst layer 1 towards the side of the anode gas diffusion layer 9；It is described anode-catalyzed
Amberplex 5 is provided between oxidant layer 10 and the cathode catalyst layer 1；The amberplex 5 is by electrostatic net 51, isolation
Film 52 and polymer dielectric 53 are constituted, as shown in figure 3, electrostatic net 51 is rectangular sheet, the workspace of the side of electrostatic net 51
Evenly distributed through hole 55 is provided with domain 54, as shown in Figure 4 and Figure 5；The barrier film 52 be covered in electrostatic net 51 include but
The outer surface of the working region 54 is not limited to, comprising the inner surface of through hole 55 in the working region 54；The polymer
Electrolyte 53 is covered in the both sides of working region 54 described in barrier film 52, and full of the electrostatic net 51 covered by silicon nitride
In through hole 55；The seal member 12 is by anode seal pad 7, negative electrode gasket seal 3, intermediate seal pad 11 and fluid sealant 6
Composition；The anode seal pad 7 is arranged on anode catalyst layer 10 and the surrounding of anode gas diffusion layer 9, towards positive plate 8 one
Fitted with positive plate 8 side；The negative electrode gasket seal 3 is arranged on cathode catalyst layer 1 and the surrounding of cathode gas diffusion layer 2, court
Fitted with minus plate 4 to the side of minus plate 4；The intermediate seal pad 11 is U-shaped, is enclosed in the reaction zone of amberplex 5
The side of domain 54, the fluid sealant 6 is filled in non-reaction zone domain, anode seal pad 7, the negative electrode gasket seal 3 of amberplex 5
Between space in.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, in the working region of electrostatic net 51
The diameter of through hole 55 be less than 10 μm, porosity is between 50% to 80%.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, it is evenly distributed in the electrostatic net 51
Through hole 55 can be covered with whole electrostatic net.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the electrostatic net 51 is by conductive material
It is made, thickness is between 20 μm to 80 μm.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the barrier film 52 is by insulating materials
It is made, thickness is between 30nm to 200nm.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the amberplex 5 can be
PEM, or anion-exchange membrane.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, the electrostatic net 51 can be by outer
Power-up road applies electrostatic and release electrostatic, and for PEM, electrostatic net 51 applies negative electricity, quiet for anion-exchange membrane
Power network 51 applies positive electricity.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, one kind of the amberplex 5
Making embodiment is：From 50 μ m-thicks copper sheet as the making material of electrostatic net 51, determine the square that 30mm is long, 20mm is wide
Shape, the through hole of 10 μ m diameters is uniformly got with laser boring method in the working region of copper sheet, and porosity 60% is made electrostatic net
51；The material of barrier film 52 elects silicon nitride as, and using plasma chemical gaseous phase depositing process is in the working region surface of electrostatic net 51
Uniform deposition silicon nitride material, forms silicon nitride layer, is made the barrier film 52 that thickness is 90nm；The polymer of amberplex 5
The material selection of electrolyte 53 is anion exchange membrane material, such as quaternized polyphenylene oxide, and it is each to prepare length and width with quaternized polyphenylene oxide
21mm, thick 10 μm to 20 μm film, the electrostatic net 51 that will carry out barrier film coating are placed on the membrane, electrostatic net work
Make region correspondence film, coating liquid prepared by quaternized polyphenylene oxide is coated uniformly on has carried out the electrostatic net 51 of barrier film coating
On, amberplex is obtained through pervaporation, as shown in Figure 6.
A kind of polymer dielectric film fuel cell based on Electrostatic Absorption of the present invention, is handed over quaternized polyphenylene oxide anion
Change as a example by film, its operation principle is illustrated.By the input of external circuit, electrostatic net 51 is loaded into substantial amounts of positive charge,
A large amount of positive charges that wire netting 51 is carried can attract the hydroxide ion in polymer dielectric 53 so that whole ion exchange
The hydroxide ion quantity that film 5 can be accommodated is greatly improved, so as to improve ion exchange capacity, and then increases substantially ion friendship
Change the electrical conductivity of film 5.Additionally, the loading and release of electric charge in the electrostatic net 51 under certain frequency are realized by external circuit, it is quiet
When power network 51 is loaded, outside hydroxide ion quick adsorption in polymer dielectric 53 to the barrier film 52 on the surface of electrostatic net 51,
Raise the hydroxide ion concentration on the surface of barrier film 52, then electrostatic net 51 release electric charge, in polymer dielectric 53 from
Son accelerates conduction after losing tractive force, by this method, can equally improve the electrical conductivity of anion-exchange membrane 5.
Claims (9)
1. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption, it is characterised in that：By positive plate, minus plate, sun
Pole gas diffusion layers, cathode gas diffusion layer, anode catalyst layer, cathode catalyst layer, amberplex and seal member group
Into；Positive plate is oppositely arranged with minus plate；The positive plate is provided with anode gas diffusion layer towards the side of the minus plate；
The minus plate is provided with cathode gas diffusion layer towards the side of the positive plate；The anode gas diffusion layer is described in
The side of cathode gas diffusion layer is provided with anode catalyst layer；The cathode gas diffusion layer spreads towards the anodic gas
The side of layer is provided with cathode catalyst layer；Ion friendship is provided between the anode catalyst layer and the cathode catalyst layer
Change film；The amberplex is made up of electrostatic net, barrier film and polymer dielectric, and electrostatic net is rectangular sheet, electrostatic
Evenly distributed through hole is provided with the working region for netting side；The barrier film is covered in electrostatic net including but not limited to institute
The outer surface of working region is stated, comprising the through-hole inner surface in the working region；The polymer dielectric is covered in isolation
The both sides of working region described in film, and full of in the electrostatic Netcom hole covered by silicon nitride；The seal member is by anode
Gasket seal, negative electrode gasket seal, intermediate seal pad and fluid sealant composition；The anode seal pad is arranged on anode-catalyzed
Oxidant layer and anode gas diffusion layer surrounding, fit towards positive plate side with positive plate；The negative electrode gasket seal is arranged on the moon
Electrode catalyst layer and cathode gas diffusion layer surrounding, fit towards minus plate side with minus plate；The intermediate seal pad is U
Shape, is enclosed in the conversion zone side of amberplex, and it is close that the fluid sealant is filled in amberplex non-reaction zone domain, anode
In space between gasket, negative electrode gasket seal.
2. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 1, it is characterised in that：
Through-hole diameter in the electrostatic net working region is less than 10 μm, and porosity is between 50% to 80%.
3. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 1, it is characterised in that：
Evenly distributed through hole can be covered with whole electrostatic net in the electrostatic net.
4. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 1, it is characterised in that：
The electrostatic net is made of an electrically conducting material, and thickness is between 20 μm to 80 μm.
5. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 1, it is characterised in that：
The barrier film is made up of insulating materials, and thickness is between 30nm to 200nm.
6. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 1, it is characterised in that：
The polymer dielectric film can be PEM, or anion-exchange membrane.
7. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 4, it is characterised in that：
The electrostatic net can apply electrostatic and release electrostatic by additional circuit.
8. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 6, it is characterised in that：
Polymer dielectric film is PEM, and electrostatic net applies negative electricity.
9. a kind of polymer dielectric film fuel cell based on Electrostatic Absorption according to claim 6, it is characterised in that：
Polymer dielectric film is anion-exchange membrane, and electrostatic net applies positive electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167695.6A CN106784948B (en) | 2017-03-21 | 2017-03-21 | Polymer electrolyte membrane fuel cell based on electrostatic adsorption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167695.6A CN106784948B (en) | 2017-03-21 | 2017-03-21 | Polymer electrolyte membrane fuel cell based on electrostatic adsorption |
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| CN106784948A true CN106784948A (en) | 2017-05-31 |
| CN106784948B CN106784948B (en) | 2023-03-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799491A (en) * | 2020-07-29 | 2020-10-20 | 江苏大学 | Fuel cell proton exchange membrane based on concave-convex composite microstructure |
Citations (4)
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|---|---|---|---|---|
| CN101000967A (en) * | 2007-01-11 | 2007-07-18 | 上海交通大学 | Membrane electrode of protone exchange membrane fuel cell and preparation method thereof |
| US20090291345A1 (en) * | 2007-01-31 | 2009-11-26 | Asahi Glass Company, Limited | Membrane/electrode assembly for polymer electrolyte fuel cells, polymer electrolyte fuel cell, and processes for their production |
| CN101682053A (en) * | 2007-06-15 | 2010-03-24 | 住友化学株式会社 | Film-electrode assembly, film-electrode gas diffusion layer assembly having the same, solid state polymer fuel cell, and film-electrode assembly manufacturing method |
| CN102832405A (en) * | 2012-08-31 | 2012-12-19 | 清华大学 | Fuel cell based on non-sulfonic group hydrophilic nanopore polymer membrane, and preparation method thereof |
-
2017
- 2017-03-21 CN CN201710167695.6A patent/CN106784948B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000967A (en) * | 2007-01-11 | 2007-07-18 | 上海交通大学 | Membrane electrode of protone exchange membrane fuel cell and preparation method thereof |
| US20090291345A1 (en) * | 2007-01-31 | 2009-11-26 | Asahi Glass Company, Limited | Membrane/electrode assembly for polymer electrolyte fuel cells, polymer electrolyte fuel cell, and processes for their production |
| CN101682053A (en) * | 2007-06-15 | 2010-03-24 | 住友化学株式会社 | Film-electrode assembly, film-electrode gas diffusion layer assembly having the same, solid state polymer fuel cell, and film-electrode assembly manufacturing method |
| CN102832405A (en) * | 2012-08-31 | 2012-12-19 | 清华大学 | Fuel cell based on non-sulfonic group hydrophilic nanopore polymer membrane, and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799491A (en) * | 2020-07-29 | 2020-10-20 | 江苏大学 | Fuel cell proton exchange membrane based on concave-convex composite microstructure |
| CN111799491B (en) * | 2020-07-29 | 2021-06-22 | 江苏大学 | Fuel cell proton exchange membrane based on concave-convex composite microstructure |
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| CN106784948B (en) | 2023-03-21 |
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