CN1750305A - Method for improving double pole plate and proton exchange film contact of flat plate type fuel battery - Google Patents
Method for improving double pole plate and proton exchange film contact of flat plate type fuel battery Download PDFInfo
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- CN1750305A CN1750305A CNA2004100747711A CN200410074771A CN1750305A CN 1750305 A CN1750305 A CN 1750305A CN A2004100747711 A CNA2004100747711 A CN A2004100747711A CN 200410074771 A CN200410074771 A CN 200410074771A CN 1750305 A CN1750305 A CN 1750305A
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- proton exchange
- exchange membrane
- fuel cell
- bipolar plates
- contacts
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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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Abstract
This invention relates to a method for improving the contact of the double pole plate of a plate feel battery with a proton exchange membrane in which, the component includes a base plate, metallic layers covering the top and bottom surfaces of said base plate and a proton exchange membrane component. This invention utilizes the thickness variance of the metallic layers on the top and bottom surfaces of the double pole plate and provides conductive humps to solve the problem of bad contact when stitching the plate and the membrane.
Description
Technical field
The invention relates to a kind of flat fuel cell, refer to the method that a kind of bipolar electrode plate of improving flat fuel cell contacts with proton exchange membrane especially.
Background technology
(Direct Methanol Fuel Cell is that a kind of dilution methanol aqueous solution or pure methyl alcohol of liquid state of utilizing acts as a fuel DMFC) to direct methanol fuel cell, sees through the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that electrochemical program converts chemical energy to electric power.Compare with traditional generation mode, direct methanol fuel cell has low pollution, low noise, high-energy-density and higher advantages such as energy conversion efficiency, be forward-looking clean energy, applicable field comprises household system, electronic product, means of transportation, military equipment, space industry etc.
The operation principles of direct methanol fuel cell is to carry out oxidation reaction with methanol aqueous solution at the anode catalyst layer, produces hydrogen ion (H
+), electronics (e
-) and carbon dioxide (CO
2), wherein hydrogen ion is passed to negative electrode via electrolyte, and electronics is passed to negative electrode after being passed to the load work done via external circuit again, and the oxygen that supply with cathode terminal this moment can carry out reduction reaction at the cathode catalysts layer with hydrogen ion and electronics, and produces water.
Fuel cell generally all is made up of several elementary cells.Because the voltage that each elementary cell can provide is less, many elementary cells of therefore must connecting when using are to reach the output of necessary operations voltage.
Summary of the invention
Main purpose of the present invention is in the method that provides a kind of bipolar plates of improving flat fuel cell to contact with proton exchange membrane, to solve the shortcoming of prior art.
For reaching above-mentioned purpose, the invention provides the method that a kind of bipolar plates of improving flat fuel cell contacts with proton exchange membrane, include the following step, one first bipolar plates is provided, one proton exchange membrane, one second bipolar plates and at least one joint fastener, wherein proton exchange membrane is positioned on first bipolar plates, joint fastener has an opening part in order to ccontaining proton exchange membrane, and second bipolar plates places on the proton exchange membrane, wherein first bipolar plates has the fuel face of first a proton exchange face that contacts with proton exchange membrane and a contact fuel, second bipolar plates has second a proton exchange face that contacts with proton exchange membrane and the air surface of an ingress of air, wherein the fuel face is provided with the first metal layer, the first proton exchange face is provided with second metal level, this second proton exchange face is provided with the 3rd metal level and this air surface is provided with the 4th metal level, wherein this second metal layer thickness is greater than the thickness of this first metal layer, the 3rd metal layer thickness is greater than the 4th metal layer thickness, reach then first bipolar plates, proton exchange membrane, second bipolar plates and this joint fastener pressing become bipolar plates/proton exchange membrane module.
The invention provides the method that the another kind of bipolar plates of improving flat fuel cell contacts with proton exchange membrane, include the following step, one bipolar plates and a proton exchange membrane are provided, wherein bipolar plates includes at least one electrode zone, proton exchange membrane is desired to place on the electrode zone of bipolar plates, a plurality of conductive bumps structures are provided on electrode zone, and proton exchange membrane is contacted with a plurality of conductive bumps structures.
Description of drawings
Fig. 1 shows the bipolar plates/proton exchange membrane module schematic diagram of the flat fuel cell of prior art;
Fig. 2 shows schematic diagram after the bipolar plates/proton exchange membrane module pressing of the flat fuel cell of prior art;
Fig. 3 shows the bipolar plates/proton exchange membrane module schematic diagram of the flat fuel cell of preferred embodiment of the present invention;
Fig. 4 shows schematic diagram after the bipolar plates/proton exchange membrane module pressing of the flat fuel cell of preferred embodiment of the present invention;
Fig. 5 shows the bipolar plates/proton exchange membrane module schematic diagram of the flat fuel cell of another preferred embodiment of the present invention;
Fig. 6 shows schematic diagram after the bipolar plates/proton exchange membrane module pressing of the flat material battery of another preferred embodiment of the present invention.
Symbol description:
300 bipolar plates/proton exchange membrane module 320 first bipolar plates
322 first substrates, 324 the first metal layers
326 second metal levels, 330 joint fasteners
350 second bipolar plates of 340 proton exchange membrane
352 second substrates 354 the 3rd metal level
356 the 4th metal level 400 bipolar plates/proton exchange membrane module
420 first bipolar plates, 422 first substrates
424 the first metal layers, 426 second metal levels
430 joint fasteners, 440 proton exchange membrane
450 second bipolar plates, 452 second substrates
454 the 3rd metal levels 456 the 4th metal level
500 bipolar plates/proton exchange membrane module 520 first bipolar plates
522 first substrates, 524 electrode zones
526 lower surfaces, 528 conductive bumps structures
530 joint fasteners, 540 proton exchange membrane
550 second bipolar plates, 552 second substrates
554 electrode zones, 556 upper surfaces
558 conductive bumps structures
Embodiment
Please refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 be the bipolar plates and the forward and backward schematic diagram of proton exchange membrane pressing of display panel formula fuel cell respectively.As shown in Figure 1, the bipolar plates of flat fuel cell/proton exchange membrane module 300 includes first bipolar plates (Bipolar Plate) 320, at least one joint fastener (Bonding sheet) 330, one proton exchange membrane (Membrane ElectrodeAssembly, MEA) 340 and second bipolar plates (Bipolar Plate) 350.Wherein, first bipolar plates 320 comprises one first substrate 322, and be covered in the first metal layer 324 of upper surface of first substrate 322 and second metal level 326 of lower surface, and second bipolar plates 350 comprises one second substrate 352 and be covered in the 3rd metal level 354 of upper surface of second substrate and the 4th metal level 356 of lower surface, and wherein above-mentioned metal layer thickness all equates.Aforesaid the first metal layer 324, second metal level 326, the 3rd metal level 354 and the 4th metal level 356 are made of metal copper layer.
Carry out pressure programming then, as shown in Figure 2, wherein second metal level 326 and the 3rd metal level 354 contact with proton exchange membrane 340, but because the influence of metal layer stress, make and produce phenomenons such as spacing and poor adhesive force between second metal level 326 and the 3rd metal level 354 and the proton exchange membrane 340, proton exchange membrane 340 is because of pressurized degree difference even, causes variable thickness to cause, the surface produces ripple and situation such as separate with bipolar plates and produce because of heating or cooling cause to expand or shrink.Because the phenomenon that is produced after aforementioned bipolar plates/proton exchange membrane module 300 pressings causes phenomenons such as the raising of processing procedure cost, yield reduction.
Therefore the invention provides the manufacture method that a kind of bipolar plates of improving flat fuel cell contacts with proton exchange membrane, to solve aforesaid problem.
See also Fig. 3 and Fig. 4, Fig. 3 shows the manufacture method that the bipolar plates of the flat fuel cell of improvement of preferred embodiment of the present invention contacts with proton exchange membrane with Fig. 4.As shown in Figure 3, the bipolar plates of flat fuel cell/proton exchange membrane module 400 includes first bipolar plates (BipolarPlate) 420, at least one joint fastener (Bonding sheet) 430, one proton exchange membrane (MembraneElectrode Assembly, MEA) 440 and second bipolar plates (Bipolar Plate) 450.Wherein, first bipolar plates 420 comprises one first substrate 422, its upper surface is provided with the first metal layer 424 and lower surface is provided with second metal level 426, and second bipolar plates 450 comprises one second substrate 452, and its upper surface is provided with the 3rd metal level 454 and lower surface is provided with the 4th metal level 456.Aforesaid the first metal layer 424, second metal level 426, the 3rd metal level 454 and the 4th metal level 456 are made of metal copper layer.Wherein, the thickness of second metal level 426 is greater than the thickness of the first metal layer 424, the thickness of the 3rd metal level 454 is greater than the thickness of the 4th metal level 456, other first substrate 422 and second substrate 452 can be strengthened macromolecular material (GlassFiber Reinforced Polymeric Material) by glass and be constituted, FR-1 as the ANSI level, FR-2, FR-3, FR-4, FR-5, CEM-1 or CEM-3 or the like constitute, and proton exchange membrane can adopt the proton exchange membrane as the Nafion of E.I.Du Pont Company, or having other solid-state proton exchange membrane of identical function, joint fastener can be the materials such as " PREPREG " resin film because of the partially polymerized stage (B-stage) used in the double circuit plate processing procedure in addition.
Carry out pressure programming then, as shown in Figure 4,, constitute bipolar plates/proton exchange membrane module 400 first bipolar plates 420, proton exchange membrane 440, second bipolar plates 450 and joint fastener 430 pressings.
See also Fig. 5 and Fig. 6, Fig. 5 shows the manufacture method that the bipolar plates of the flat fuel cell of improvement of another preferred embodiment of the present invention contacts with proton exchange membrane with Fig. 6.As shown in Figure 5, the bipolar plates of flat fuel cell/proton exchange membrane module 500 includes first bipolar plates (Bipolar Plate) 520, at least one joint fastener (Bonding sheet) 530, one proton exchange membrane (Membrane Electrode Assembly, MEA) 540 and second bipolar plates (Bipolar Plate) 550.First bipolar plates 520 includes first substrate 522 and at least one electrode zone 524, a plurality of conductive bumps (bump) structure 528 then is provided on the lower surface 526 of electrode zone 524, and second bipolar plates 550 includes second substrate 552 and at least one electrode zone 554, and a plurality of conductive bumps structures 558 are provided on the upper surface 556 of electrode zone 554 subsequently.Wherein, conductive bumps structure 528,558 can be constituted by tin, lead, tin lead or copper, and outermost layer then covers with Gold plated Layer, and the height of conductive bumps structure 528,558 can be greater than 0.1mm.And proton exchange membrane 540 is desired to place between the electrode zone 554 of the electrode zone 524 of first bipolar plates 520 and second bipolar plates 550.Wherein first substrate 522 and second substrate 552 can be strengthened macromolecular material (Glass Fiber Reinforced PolymericMaterial) by glass and constituted, such as FR-1, FR-2, FR-3, FR-4, FR-5, CEM-1 or CEM-3 of ANSI level or the like formation, proton exchange membrane can adopt the proton exchange membrane as the Nafion of E.I.Du Pont Company in addition, or have other solid-state proton exchange membrane of identical function, and joint fastener can be the materials such as " PREPREG " resin film because of the partially polymerized stage (B-stage) used in the double circuit plate processing procedure.
Then carry out pressure programming, as shown in Figure 6,, constitute bipolar plates/proton exchange membrane module 500 first bipolar plates 520, proton exchange membrane 540, second bipolar plates 550 and joint fastener 530 pressings.
In sum, the present invention improves the method that the bipolar plates of flat fuel cell contacts with proton exchange membrane and comprises following advantage at least compared to prior art:
The bipolar plates of flat fuel cell adopts the last lower metal layer of different-thickness or adopts the conductive bumps structure in the electrode zone surface in the face of the proton exchange membrane unit, not only can reduce because proton exchange membrane unit itself is in uneven thickness, and thickness can reduce after the pressing, thereby make the two shortcoming that can't contact fully of bipolar plates and proton exchange membrane unit, also can impose suitable pressure to the proton exchange membrane unit especially, to improve energy output.
Claims (17)
1. method that the double electrode plate that improves flat fuel cell contacts with proton exchange membrane includes:
One first bipolar plates is provided, one proton exchange membrane, one second bipolar plates and at least one joint fastener, wherein this proton exchange membrane is positioned on first bipolar plates, this joint fastener has an opening part in order to ccontaining this proton exchange membrane, and this second bipolar plates places on this proton exchange membrane, wherein this first bipolar plates has the fuel face of first a proton exchange face that contacts with this proton exchange membrane and a contact fuel, this second bipolar plates has second a proton exchange face that contacts with this proton exchange membrane and the air surface of an ingress of air, wherein this fuel face is provided with the first metal layer, this first proton exchange face is provided with second metal level, this second proton exchange face is provided with the 3rd metal level and this air surface is provided with the 4th metal level, wherein this second metal layer thickness is greater than the thickness of this first metal layer, and the 3rd metal layer thickness is greater than the 4th metal layer thickness;
With this first bipolar plates, this proton exchange membrane, this second bipolar plates and this joint fastener pressing, constitute bipolar plates/proton exchange membrane module.
2. the method that a kind of double electrode plate that improves flat fuel cell according to claim 1 contacts with proton exchange membrane, wherein this flat fuel cell is to be a direct methanol fuel cell.
3. the method that a kind of double electrode plate that improves flat fuel cell according to claim 1 contacts with proton exchange membrane, wherein this proton exchange membrane is to be solid-state proton exchange membrane.
4. the method that a kind of double electrode plate that improves flat fuel cell according to claim 1 contacts with proton exchange membrane, wherein this joint fastener is " PREPREG " resin film in partially polymerized stage used in the printed circuit board (PCB) processing procedure.
5. the method that a kind of double electrode plate that improves flat fuel cell according to claim 1 contacts with proton exchange membrane, wherein this first bipolar plates includes one first substrate, forms this first metal layer and this second metal level on it.
6. the method that a kind of double electrode plate that improves flat fuel cell according to claim 5 contacts with proton exchange membrane, wherein this first substrate is constituted by glass reinforcement macromolecular material.
7. the method that a kind of double electrode plate that improves flat fuel cell according to claim 5 contacts with proton exchange membrane, wherein this first substrate is constituted by the glass reinforcement macromolecular material of FR-1, FR-2, FR-3, FR-4, FR-5, CEM-1 or the CEM-3 of ANSI level.
8. the method that a kind of double electrode plate that improves flat fuel cell according to claim 1 contacts with proton exchange membrane, wherein this second bipolar plates includes one second substrate, forms the 3rd metal level and the 4th metal level on it.
9. the method that a kind of double electrode plate that improves flat fuel cell according to claim 8 contacts with proton exchange membrane, wherein this second substrate is constituted by glass reinforcement macromolecular material.
10. the method that a kind of double electrode plate that improves flat fuel cell according to claim 8 contacts with proton exchange membrane, wherein this second substrate is constituted by the glass reinforcement macromolecular material of FR-1, FR-2, FR-3, FR-4, FR-5, CEM-1 or the CEM-3 of ANSI level.
11. the method that the double electrode plate of the flat fuel cell of improvement contacts with proton exchange membrane includes:
One bipolar plates and a proton exchange membrane are provided, and wherein this bipolar plates includes at least one electrode zone, and this proton exchange membrane is desired to place on this electrode zone of this bipolar plates;
A plurality of conductive bumps structures are provided on this electrode zone;
The a plurality of conductive bumps structures of this proton exchange membrane and this are contacted.
12. the method that a kind of double electrode plate that improves flat fuel cell according to claim 11 contacts with proton exchange membrane, wherein the height of these a plurality of conductive bumps structures is not less than 0.1mm.
13. the method that a kind of double electrode plate that improves flat fuel cell according to claim 11 contacts with proton exchange membrane, wherein this conductive bumps structure is constituted by comprising tin, lead, tin lead material.
14. the method that a kind of double electrode plate that improves flat fuel cell according to claim 11 contacts with proton exchange membrane, wherein this proton exchange membrane is to be solid-state proton exchange membrane.
15. the method that a kind of double electrode plate that improves flat fuel cell according to claim 11 contacts with proton exchange membrane, wherein this bipolar plates includes a substrate, forms this electrode zone on it.
16. the method that a kind of double electrode plate that improves flat fuel cell according to claim 15 contacts with proton exchange membrane, wherein this substrate is constituted by glass reinforcement macromolecular material.
17. the method that a kind of double electrode plate that improves flat fuel cell according to claim 15 contacts with proton exchange membrane, wherein this substrate is constituted by the glass reinforcement macromolecular material of FR-1, FR-2, FR-3, FR-4, FR-5, CEM-1 or the CEM-3 of ANSI level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100747711A CN100375323C (en) | 2004-09-14 | 2004-09-14 | Method for improving double pole plate and proton exchange film contact of flat plate type fuel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100747711A CN100375323C (en) | 2004-09-14 | 2004-09-14 | Method for improving double pole plate and proton exchange film contact of flat plate type fuel battery |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100040855A Division CN101241994B (en) | 2004-09-14 | 2004-09-14 | Method for improving contact between dual-pole plate of flat plate combustion battery and proton exchange film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1750305A true CN1750305A (en) | 2006-03-22 |
| CN100375323C CN100375323C (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100747711A Expired - Fee Related CN100375323C (en) | 2004-09-14 | 2004-09-14 | Method for improving double pole plate and proton exchange film contact of flat plate type fuel battery |
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| Country | Link |
|---|---|
| CN (1) | CN100375323C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7585582B2 (en) | 2006-06-28 | 2009-09-08 | Nan Ya Printed Circuit Board Corporation | Fuel cell module utilizing wave-shaped flow board |
| CN107230797A (en) * | 2016-03-25 | 2017-10-03 | 安徽巨大电池技术有限公司 | Battery pack and method of assembling the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121075C (en) * | 1998-07-22 | 2003-09-10 | 大连新源动力股份有限公司 | Double electrode plate of proton exchange film fuel cell |
| CN1209835C (en) * | 2001-05-25 | 2005-07-06 | 北京飞驰绿能电源技术有限责任公司 | Making process of two plates of proton exchange film fuel cell |
| CN1253957C (en) * | 2001-08-16 | 2006-04-26 | 亚太燃料电池科技股份有限公司 | Fuel battery bipolar plate |
-
2004
- 2004-09-14 CN CNB2004100747711A patent/CN100375323C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7585582B2 (en) | 2006-06-28 | 2009-09-08 | Nan Ya Printed Circuit Board Corporation | Fuel cell module utilizing wave-shaped flow board |
| CN107230797A (en) * | 2016-03-25 | 2017-10-03 | 安徽巨大电池技术有限公司 | Battery pack and method of assembling the same |
| CN107230797B (en) * | 2016-03-25 | 2024-03-12 | 安徽巨大电池技术有限公司 | Battery pack and method of assembling the same |
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| Publication number | Publication date |
|---|---|
| CN100375323C (en) | 2008-03-12 |
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Granted publication date: 20080312 Termination date: 20110914 |