CN101071869A - Mould for integrating direct alcohol fuel cell membrane electrode assembly with three functions structure - Google Patents
Mould for integrating direct alcohol fuel cell membrane electrode assembly with three functions structure Download PDFInfo
- Publication number
- CN101071869A CN101071869A CNA2007100114695A CN200710011469A CN101071869A CN 101071869 A CN101071869 A CN 101071869A CN A2007100114695 A CNA2007100114695 A CN A2007100114695A CN 200710011469 A CN200710011469 A CN 200710011469A CN 101071869 A CN101071869 A CN 101071869A
- Authority
- CN
- China
- Prior art keywords
- membrane electrode
- millimeters
- electrode assembly
- fuel cell
- alcohol fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The invention is a direct alcohol fuel battery membrane electrode assembly integrating mould with three functional structures, comprising: upper die and lower die, where locating piece is arranged between the upper and lower dies, and concaves are arranged around their opposite surfaces. And it integrates all parts of a membrane electrode to make the membrane electrode have advantages of high strength and rigidity, no deformation, no cracking, easy to assemble galvanic pile, improving stability and service life of fuel battery, etc.
Description
Technical field
The present invention relates to process the integral mould of the parts of direct alcohol fuel battery, particularly a kind of direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures.
Background technology
Directly alcohol fuel battery is a kind of energy conversion device, presses electrochemical principle, and the chemical energy in fuel (methyl alcohol, ethanol etc.) and the oxidant (oxygen) is changed into electric energy.
Directly alcohol fuel battery has energy conversion efficiency height, advantages of environment protection, have more cold operation, the high characteristics of specific power, therefore DAFC not only can be used for setting up Compact Power Plant, also be applicable to removable power supply, as notebook computer, mobile phone, PDA, small-sized mobile radar, small-sized mobile communication equipment, battery-operated motor cycle etc.
Membrane electrode (MEA) is direct alcohol fuel battery core component, be the place that fuel and oxidant generation electrochemical reaction produce electric energy, usually the membrane electrode that contains anode diffusion layer, anode catalyst, proton conductive membrane, cathod catalyst, cathode diffusion layer called five layer membrane electrode.
Though five traditional layer membrane electrode have advantage of simple technology, have some problems: 1. proton conductive membrane produces deformation, the membrane electrode poor dimensional stability in electrochemical reaction suction and dehydration process; 2. proton conductive membrane produces deformation influences sealing effectiveness; 3. when adopting the linear sealing mode, proton conductive membrane is stressed to be concentrated, and causes film rupture, reduces the useful life of proton conductive membrane; 4.MEA, sealant or potted line, bearer bar be individual components at present, is the branch body structure, the location is inaccurate and can't accurate given clamping force during the assembling of battery pile, influences the every battery discharge stability and the consistency of pile.
Summary of the invention
The technical problem to be solved in the present invention is that existing membrane electrode is yielding, unstable, the conducting film sealing effectiveness is poor, integral body is easily broken, the problem of battery pile assembling trouble, at the problems referred to above, the direct alcohol fuel cell membrane electrode assembly integral mould that the purpose of this invention is to provide a kind of simple in structure, processing ease, each component set all-in-one-piece of component film electrode is had three kinds of functional structures, make membrane electrode intensity after integrated, good rigidity, indeformable, shape is not split, the life-span is long, the pile assembling easily, good stability, overcome the deficiencies in the prior art.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, comprise patrix 1 and the counterdie 10 that matches with patrix 1, between patrix 1 and counterdie 10, be provided with keeper, be provided with concave edge 11 and concave edge 18 at its relative face upper periphery.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, the width of wherein said concave edge 11 and concave edge 18 is 5 millimeters～10 millimeters, the recessed degree of depth is 0.05 millimeter～0.20 millimeter.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, wherein said keeper structure is: 1 upper periphery place is provided with at least two location holes 2 at patrix, is provided with at least two guide pillars 9 that match with location hole 2 at counterdie 10 upper periphery places.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, wherein said location hole 2 is 4 millimeters～8 millimeters with the diameter of guide pillar 9.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, wherein said location hole 2 is a through hole, the height of described guide pillar 9 is 5 millimeters～20 millimeters.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, the material of wherein said patrix 1 and counterdie 10 is copper or copper alloy aluminum or aluminum alloy or carbon steel or stainless steel metal material, perhaps is macromolecular material or bakelite plate or glass or glass fibre or carbon plate nonmetallic materials.
Direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures of the present invention, have following advantage: mould structure is simple, easily processing, good operation.Utilize this mould that each component set of component film electrode is integral; make pile easy to assembly; reduce labour intensity; enhance productivity; in integrating process, utilize the polymer sheets bearer bar; the MEA frame together, prevented effectively that anode diffusion layer, anode catalyst layer, proton conductive membrane, cathode catalyst layer, cathode diffusion layer from coming off, displacement, foldover, swelling deformation.
Directly alcohol fuel battery is to be composed in series pile by N monocell, and the clamping force size directly influences cell discharge performance during the pile assembling.Clamping force is Da Yi crushing diffusion layer and pressure break proton conductive membrane too, and cell discharge performance was lost efficacy; Clamping force too hour diffusion layer and bipolar plates face contact resistance is excessive, does not reach optimum Match, directly influences cell discharge performance.No matter it is much to utilize bearer bar in the integrated membrane electrode of this mould to play clamping force, it is consistent with bipolar plates face contact resistance to remain diffusion layer, need not worry crushing diffusion layer and pressure break proton conductive membrane, and battery reaches optimum Match, the optimal discharge state.
Paste sealant on the polymer sheets bearer bar wherein and play sealing function between MEA and the bipolar plates.
Therefore, with the product of die production of the present invention, intensity, good rigidity, indeformable, shape do not split, the pile assembling easily, fuel battery stability is good, the life-span is long.
Description of drawings
Fig. 1 is the decomposing schematic representation of mould of the present invention and each part of component film electrode;
Fig. 2 is the combination schematic diagram of mould of the present invention and each part of component film electrode;
Fig. 3 is the structural representation with the membrane electrode of die production of the present invention.
Embodiment
As shown in the figure: mould of the present invention comprises patrix 1 and the counterdie 10 that matches with patrix 1, between patrix 1 and counterdie 10, be provided with keeper, the keeper structure is: 1 upper periphery place is provided with at least two location holes 2 at patrix, is provided with at least two guide pillars 9 that match with location hole 2 at counterdie 10 upper periphery places.Location hole 2 preferably is located at peripheral Si Jiaochu with guide pillar 9, forms four groups of keepers being made up of location hole 2 and guide pillar 9.Location hole 2 is 4 millimeters or 5 millimeters or 6 millimeters or 7 millimeters or 8 millimeters with the diameter of guide pillar 9, promptly all can between 4 millimeters～8 millimeters.The location hole 2 that is positioned on the patrix 1 is through hole, and the height of guide pillar 9 is 5 millimeters or 10 millimeters or 15 millimeters or 20 millimeters, promptly all can between 5 millimeters～20 millimeters.Can be between guide pillar 9 and the counterdie 10 and be threaded or weld.Relative face upper periphery at patrix 1 and counterdie 10 is processed with concave edge 11 and concave edge 18.The width of concave edge 11 and concave edge 18 is 5 millimeters or 6 millimeters or 7 millimeters or 8 millimeters or 9 millimeters or 10 millimeters, promptly between 5 millimeters～10 millimeters, all can, the concave edge 11 and the concave edge 18 recessed degree of depth are 0.05 millimeter or 0.1 millimeter or 0.15 millimeter or 0.2 millimeter, promptly all can between 0.05 millimeter～0.20 millimeter.
The material of described patrix 1 and counterdie 10 is copper or copper alloy aluminum or aluminum alloy or carbon steel or stainless steel metal material, perhaps is macromolecular material or bakelite plate or glass or glass fibre or carbon plate nonmetallic materials.
Can adopt general energy machining mode or line cutting processing mode to the processing of described patrix 1 and counterdie 10.
With the mould of the present invention membrane electrode of processing fuel-cell as follows:
As shown in the figure: 1., at first to by proton conductive membrane 14 be positioned at the five layer membrane electrode sheet materials that anode catalyst layer 16, anode diffusion layer 17, cathode catalyst layer 13, the cathode diffusion layer 12 of proton conductive membrane 14 both sides formed and handle, determine its specification, form certain length and wide sheet material as required.Utilize cutter or mould that the periphery that is positioned at both sides anode catalyst layer 16, anode diffusion layer 17, cathode catalyst layer 13, cathode diffusion layer 12 is cut then, promptly remove a part, the periphery of the proton conductive membrane 14 in the middle of being positioned at is protruded, the width that protrudes is 5 millimeters or 6 millimeters or 8 millimeters or 9 millimeters or 10 millimeters, promptly between 5 millimeters～10 millimeters all can, in this protrusion place processing porose 15;
2., make bearer bar 5 and bearer bar 7, the profile of the inboard hole shape of bearer bar 5 and described anode catalyst layer 16, anode diffusion layer 17 matches, the profile of the inboard hole shape of bearer bar 7 and described cathode catalyst layer 13, cathode diffusion layer 12 matches.The circumferential width of bearer bar 5,7 is consistent with the width that described proton conductive membrane 14 peripheries are protruded, and processing is porose 4 on the periphery of bearer bar 5, processing porose 6 on the periphery of bearer bar 7.The one side of bearer bar 5 is connected to sealant 3, and another side scribbles bonded adhesives.The one side of bearer bar 7 is connected to sealant 8, and another side scribbles bonded adhesives;
3., down and place on the counterdie 10, hole 6 is enclosed within on the guide pillar 9 on the counterdie 10, and the periphery of counterdie 10 is processed with concave edge 11, and sealant 8 just matches with concave edge 11 with the sealant on the bearer bar 78;
4., will and be positioned at the five layer membrane electrode plates that anode catalyst layer 16, anode diffusion layer 17, cathode catalyst layer 13, the cathode diffusion layer 12 of proton conductive membrane 14 both sides formed by proton conductive membrane 14 places on the counterdie 10, make cathode diffusion layer 12, cathode catalyst layer 13 be positioned at bearer bar 7, bonded adhesives above the bearer bar 7 contacts with the peripheral projection of proton conductive membrane 14, and hole 15 is enclosed within on the guide pillar 9;
5., up and place on the proton conductive membrane 14, hole 4 is enclosed within on the guide pillar 9, and anode catalyst layer 16, anode diffusion layer 17 are positioned at bearer bar 5, and the bonded adhesives on the bearer bar 5 contacts with the peripheral projection of proton conductive membrane 14 with the sealant 3 of bearer bar 5;
6., patrix 1 is placed on the bearer bar 5, hole 2 is enclosed within on the guide pillar 9, and the periphery of patrix 1 is processed with concave edge 18, and sealant 3 just matches with concave edge 18;
7., patrix 1, counterdie 10 and each middle parts thereof are together placed ultrasonic vibrations in the ultrasonic heater, formation has the direct alcohol fuel cell membrane electrode assembly of three kinds of functional structures, pressure is controlled between 0.5～0.1MPa in this process, temperature is controlled between 80～120C °, and the time was controlled between 1～8 second.
The material of described bearer bar 5,7 is PET or ABS or PP or PC macromolecular material, and the material of described sealant 3,8 is fluorubber or silicon rubber or polyethylene or polyvinyl chloride; Described bonded adhesives is adhesive sticker or thermosol.
The thickness of described bearer bar 5,7 is 0.1 millimeter～0.2 millimeter; The thickness of described bonded adhesives is 0.005 millimeter～0.01 millimeter; The thickness of described sealant 3,8 is 0.02 millimeter～0.06 millimeter.
Claims (6)
1, a kind of direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures, it is characterized in that: comprise patrix (1) and the counterdie (10) that matches with patrix (1), between patrix (1) and counterdie (10), be provided with keeper, be provided with concave edge (11) and concave edge (18) at its relative face upper periphery.
2, the direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures according to claim 1, it is characterized in that: the width of described concave edge (11) and concave edge (18) is 5 millimeters～10 millimeters, and the recessed degree of depth is 0.05 millimeter～0.20 millimeter.
3, the direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures according to claim 2, it is characterized in that: described keeper structure is: the upper periphery place is provided with at least two location holes (2) at patrix (1), is provided with at least two guide pillars (9) that match with location hole (2) at counterdie (10) upper periphery place.
4, the direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures according to claim 3 is characterized in that: described location hole (2) is 4 millimeters～8 millimeters with the diameter of guide pillar (9).
5, the direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures according to claim 4, it is characterized in that: described location hole (2) is a through hole, and the height of described guide pillar (9) is 5 millimeters～20 millimeters.
6, the direct alcohol fuel cell membrane electrode assembly integral mould with three kinds of functional structures according to claim 5, it is characterized in that: the material of described patrix (1) and counterdie (10) is copper or copper alloy aluminum or aluminum alloy or carbon steel or stainless steel metal material, perhaps is macromolecular material or bakelite plate or glass or glass fibre or carbon plate nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100114695A CN101071869A (en) | 2007-05-29 | 2007-05-29 | Mould for integrating direct alcohol fuel cell membrane electrode assembly with three functions structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100114695A CN101071869A (en) | 2007-05-29 | 2007-05-29 | Mould for integrating direct alcohol fuel cell membrane electrode assembly with three functions structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101071869A true CN101071869A (en) | 2007-11-14 |
Family
ID=38898930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100114695A Pending CN101071869A (en) | 2007-05-29 | 2007-05-29 | Mould for integrating direct alcohol fuel cell membrane electrode assembly with three functions structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101071869A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301293A (en) * | 2018-10-24 | 2019-02-01 | 南京大学 | A kind of fuel cell membrane electrode preparation process and its hot pressing die |
| CN112086660A (en) * | 2020-09-27 | 2020-12-15 | 上海文施绿极科技有限公司 | Method for manufacturing fuel cell module type frame membrane |
| CN114069002A (en) * | 2020-08-06 | 2022-02-18 | 本田技研工业株式会社 | Method and apparatus for manufacturing fuel cell member |
-
2007
- 2007-05-29 CN CNA2007100114695A patent/CN101071869A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301293A (en) * | 2018-10-24 | 2019-02-01 | 南京大学 | A kind of fuel cell membrane electrode preparation process and its hot pressing die |
| CN109301293B (en) * | 2018-10-24 | 2023-08-29 | 南京大学 | Fuel cell membrane electrode preparation process and hot-pressing die thereof |
| CN114069002A (en) * | 2020-08-06 | 2022-02-18 | 本田技研工业株式会社 | Method and apparatus for manufacturing fuel cell member |
| CN114069002B (en) * | 2020-08-06 | 2023-03-24 | 本田技研工业株式会社 | Method and apparatus for manufacturing fuel cell member |
| CN112086660A (en) * | 2020-09-27 | 2020-12-15 | 上海文施绿极科技有限公司 | Method for manufacturing fuel cell module type frame membrane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102969513B (en) | Large-area metal bipolar plate for automobile fuel cell | |
| CN109638310B (en) | Ultrathin composite bipolar plate for fuel cell and fuel cell comprising same | |
| CN108172857B (en) | Fuel cell stack flow field plate supporting high-current-density discharge | |
| CN2852407Y (en) | Membrane electrode frame structure of proton exchange membrane fuel cell | |
| CN100588016C (en) | Method for integrating direct alcohol fuel cell membrane electrode assembly | |
| CN101752587A (en) | Preparation method for integrated fuel battery of metal bipolar plate and sealing piece | |
| CN101790811B (en) | Mea member and polymer electrolyte fuel cell | |
| CN105529478A (en) | Fuel cell bipolar plate and electric pile constituted by same | |
| CN213278134U (en) | High-power proton exchange membrane fuel cell bipolar plate | |
| CN110828844A (en) | High-performance proton exchange membrane fuel cell cathode and anode flow field and bipolar plate thereof | |
| KR100429685B1 (en) | Gas- distributing plate for compact polymer electrolyte membrane fuel cell and separator plate using the said gas-distributing plate | |
| CN211088400U (en) | Composite structure of diffusion layer of separator flow channel and fuel cell using same | |
| CN101071869A (en) | Mould for integrating direct alcohol fuel cell membrane electrode assembly with three functions structure | |
| CN100388540C (en) | Impacted metal double polar plate structure and preparation method thereof | |
| CN109465336B (en) | Combined stamping die for metal flow field plate of proton exchange membrane fuel cell | |
| CN212209661U (en) | Cooling structure of high-power proton exchange membrane fuel cell bipolar plate | |
| CN210467988U (en) | Air-cooled fuel cell metal bipolar plate | |
| CN210576224U (en) | Ultra-light air-cooled fuel cell metal bipolar plate | |
| WO2006066108A1 (en) | Membrane electrode assembly and method of manufacturing a membrane electrode assembly | |
| EP2696415B1 (en) | Fuel cell | |
| KR101127028B1 (en) | Fuel cell | |
| CN113594491A (en) | Hard frame of membrane electrode for hydrogen fuel cell | |
| CN212011140U (en) | Cooling structure of high-power proton exchange membrane fuel cell bipolar plate | |
| JP3400976B2 (en) | Separator for polymer electrolyte fuel cell and fuel cell | |
| CN210467987U (en) | Air-cooled fuel cell bipolar plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091127 Address after: Postal code 11, Chifeng street, Harbin Road, Dalian Development Zone, Liaoning 116100, China Applicant after: Dalian Longxin Engineering Plastics Co., Ltd. Co-applicant after: Dalian Institute of Chemical Physics, Chinese Academy of Sciences Co-applicant after: Dalian Guozheng Technology Development Co., Ltd. Address before: Postal code 11, Chifeng street, Harbin Road, Dalian Development Zone, Liaoning 116100, China Applicant before: Dalian Longxin Engineering Plastics Co., Ltd. |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20071114 |