CN2694502Y - Double plates for combined type proton exchange film battery - Google Patents
Double plates for combined type proton exchange film battery Download PDFInfo
- Publication number
- CN2694502Y CN2694502Y CNU2004200290044U CN200420029004U CN2694502Y CN 2694502 Y CN2694502 Y CN 2694502Y CN U2004200290044 U CNU2004200290044 U CN U2004200290044U CN 200420029004 U CN200420029004 U CN 200420029004U CN 2694502 Y CN2694502 Y CN 2694502Y
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- China
- Prior art keywords
- pole plate
- demarcation strip
- bipolar plates
- plate frame
- composite type
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- 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.)
- Expired - Fee Related
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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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- Fuel Cell (AREA)
Abstract
The utility model provides a double pole plate for a combined type proton exchange film battery, comprising pole plate frames (1), a flow field plate (7) and a splitter plate (8). The pole plate frames are respectively arranged on two sides of the splitter plate. The flow field plate is embedded inside the pole plate frames. The pole plate frames are provided with an oxidant inlet (2), an oxidant outlet (3), a fuel inlet (4), a fuel outlet (5) and inlet (outlet) dark hole passages (6). The side of the pole plate frames, which faces the splitter plate, is provided with a dark hole passage. The side of the flow field plate, which is at the back of the splitter plate, is provided with a flow passage. The double pole plate of the utility model has the advantages of light weight, low material cost, low processing cost and easy seal. The output power is equal to that of the graphite double pole plate of the integral structure.
Description
Technical field
The utility model relates to the Proton Exchange Membrane Fuel Cells technical field, has proposed a kind of composite type pem cell bipolar plates.
Background technology
Proton Exchange Membrane Fuel Cells (Proton Exchange Membrane Fuel Cell PEMFC) has the energy conversion efficiency height, and specific energy is big, start rapidly and series of advantages such as environmental friendliness, and be following most effective and one of the generation technology that cleans most.
Bipolar plates is the vitals of Proton Exchange Membrane Fuel Cells, plays afflux, separates oxidant and fuel and guides oxidant and fuel electrode surface in battery flows.The selection of bipolar plate material and technology of preparing thereof not only directly influence battery performance, and most important to reducing battery cost, raising battery specific power and specific energy.
Basic demand to the proton exchange membrane cell bipolar plate is: 1. must have the choke function; 2. must be the good conductor of electricity; 3. must have high capacity of heat transmission; 4. must have resistance to corrosion.The proton exchange membrane bipolar plates adopts hard graphite cake of integrally-built atresia or corrosion resistant plates more at present.The atresia graphite cake is generally by powdered carbon or graphite powder and graphitisable resins.Graphitization needs to be undertaken by the heating schedule of strictness, and temperature is usually above 2500 ℃, and the time cycle is very long.So this manufacture process causes the high of atresia graphite cake price.And, on graphite cake, usually adopt Digit Control Machine Tool to process various baroque flow fields runner, quite time-consuming and processing charges is high.The problem that adopts whole stainless steel material bipolar plates to exist be the price height, perishable, weight big, difficult processing.And electrode diffusion layer (as carbon paper) is big with the contact resistance of stainless steel material, influences the power output of battery.
Among people's such as Alan J.Cisar the patent US2003/0232234, a kind of bipolar plates of fabricated structure was proposed once.Be characterized in that the conductive pole of arranging according to certain rules passes and is embedded on a conduction or the nonconducting choke thin plate, forms flow-field plate.This design makes the processing of flow-field plate and sealing difficulty very big.
Summary of the invention
The utility model provides a kind of composite type pem cell bipolar plates, and it is made up of pole plate frame 1, flow-field plate 7 and demarcation strip 8; Be respectively arranged with the pole plate frame on the both sides of demarcation strip, flow-field plate is embedded in the pole plate frame; The pole plate frame is provided with oxidant inlet 2, oxidant outlet 3, fuel inlet 4, fuel outlet 5 and imports and exports dark duct 6; The pole plate frame is provided with dark duct towards demarcation strip one side; Flow-field plate demarcation strip one side dorsad is provided with runner.
Be rectangle or square opening in the middle of the pole plate frame wherein; The flow-field plate upper runner is set to point-like, netted, porous body, parallel or snakelike groove etc.; The thickness of demarcation strip is 0.1～1.0mm; Demarcation strip is provided with location hole.
The pole plate frame adopts heatproof synthetic resin material, as Merlon, epoxy resin, unsaturated polyester, polyimides and ABS etc.; Adopt mold, machining or punch forming.
Flow-field plate is embedded in the zone line of pole plate frame.Flow-field plate can adopt the foam nickel material of flexible graphite material, common graphite or surface modification.But flexible graphite flow-field plate mold casting forming; Graphite material flow-field plate (referring to common graphite plate or atresia graphite cake) can adopt simple machine tooling runner trench.
Demarcation strip adopts high conductivity, corrosion resistant metal material, and as the stainless sheet steel that stainless sheet steel, surface are modified with titanium-base alloy, demarcation strip thickness should be at 0.1～1.0mm.
Towards demarcation strip one side, advancing between (going out) mouth and the flow-field plate of oxidant or fuel has parallel groove at the pole plate frame, and these parallel grooves form dark duct at pole plate frame and demarcation strip combination back.
Bipolar plates with above-mentioned technical characterictic is compared with integrally-built bipolar plates, have in light weight, the cost of material is low, processing cost is low and the characteristics of easy sealing.Its power output is suitable with integrally-built graphite bi-polar plate.
Description of drawings
Fig. 1: pole plate mount structure schematic diagram;
Fig. 2: A-A profile among Fig. 1;
Fig. 3: flow field plate structure schematic diagram;
Fig. 4: partition plate structure schematic diagram;
Fig. 5: composite type bipolar plates assembling schematic diagram
Wherein: (1) pole plate frame (2) oxidant inlet (3) oxidant outlet (4) fuel inlet
(5) fuel outlet (6) advances (going out) mouthful dark duct (7) flow-field plate (8) demarcation strip
(9) location hole (10) anode (11) negative electrode (12) proton exchange membrane
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details:
Adopt pole plate frame as depicted in figs. 1 and 2, the pole plate frame adopts the Merlon punch forming.In the middle of the pole plate frame is square opening, and the pole plate frame is provided with oxidant inlet 2, oxidant outlet 3, fuel inlet 4, fuel outlet 5, dark duct 6; Adopt serpentine flow path flow-field plate 7 as shown in Figure 3, adopt the flexible graphite material mold casting forming; Demarcation strip adopts demarcation strip 8 shown in Figure 4, demarcation strip adopts high conductivity, corrosion resistant stainless sheet steel, the position corresponding with the pole plate frame is provided with oxidant inlet 2, oxidant outlet 3, fuel inlet 4, fuel outlet 5 on the demarcation strip, and the thickness of demarcation strip is 0.3mm.
Two pole plate frames 1 and a slice demarcation strip 8 press location hole 9 locate, pressure binding is embedded in flow-field plate in the square opening with its shape, measure-alike pole plate frame then.The bipolar plates of forming as shown in Figure 5.
In Proton Exchange Membrane Fuel Cells, membrane electrode of being made up of anode 10, negative electrode 11 and proton exchange membrane 12 and bipolar plates are alternately arranged, if a side of bipolar plates towards the anode of membrane electrode, then opposite side is towards the negative electrode of membrane electrode.Anode 10 shown in Figure 5 and negative electrode 11 are made up of platinum-charcoal (Pt/C) catalyst (Britain Johnson Matthey company) that through the carbon paper of PTFE hydrophobic treatment (EC-TP1-060, Japanese Toray company) and mass fraction is 20% respectively.With anode, negative electrode and proton exchange membrane (12, Nafion115, du pont company) hot pressing 90s under 0.35MPa, 132 of handling well, promptly make membrane electrode.
Claims (10)
1. composite type pem cell bipolar plates, it is made up of pole plate frame (1), flow-field plate (7) and demarcation strip (8); It is characterized in that: be respectively arranged with the pole plate frame on the both sides of demarcation strip, flow-field plate is embedded in the pole plate frame; The pole plate frame is provided with oxidant inlet (2), oxidant outlet (3), fuel inlet (4), fuel outlet (5) and imports and exports dark duct (6); The pole plate frame is provided with dark duct towards demarcation strip one side; Flow-field plate demarcation strip one side dorsad is provided with runner.
2. a kind of composite type pem cell bipolar plates as claimed in claim 1 is characterized in that being rectangle or square hole in the middle of the described pole plate frame.
3. a kind of composite type pem cell bipolar plates as claimed in claim 1 is characterized in that described flow-field plate upper runner is point-like, netted, porous body, parallel or snakelike groove.
4. a kind of composite type pem cell bipolar plates as claimed in claim 1, the thickness that it is characterized in that described demarcation strip is 0.1～1.0mm; Demarcation strip is provided with location hole.
5. a kind of composite type pem cell bipolar plates as claimed in claim 1 is characterized in that described pole plate frame adopts heatproof synthetic resin material.
6. a kind of composite type pem cell bipolar plates as claimed in claim 4 is characterized in that described pole plate frame material is Merlon, epoxy resin, unsaturated polyester, polyimides or ABS.
7. a kind of composite type pem cell bipolar plates as claimed in claim 1 is characterized in that described flow-field plate adopts the foam nickel material of flexible graphite material, common graphite or surface modification.
8. a kind of composite type pem cell bipolar plates as claimed in claim 1 is characterized in that described demarcation strip adopts high conductivity, corrosion resistant metal material.
9. a kind of composite type pem cell bipolar plates as claimed in claim 1 is characterized in that the stainless sheet steel that described demarcation strip adopts stainless sheet steel or surface to modify with titanium-base alloy.
10. a kind of composite type pem cell bipolar plates as claimed in claim 1, it is characterized in that described pole plate frame is towards demarcation strip one side, between the import and export of oxidant or fuel and the flow-field plate parallel groove is arranged, these parallel grooves form dark duct at pole plate frame and demarcation strip combination back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200290044U CN2694502Y (en) | 2004-05-21 | 2004-05-21 | Double plates for combined type proton exchange film battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200290044U CN2694502Y (en) | 2004-05-21 | 2004-05-21 | Double plates for combined type proton exchange film battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2694502Y true CN2694502Y (en) | 2005-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200290044U Expired - Fee Related CN2694502Y (en) | 2004-05-21 | 2004-05-21 | Double plates for combined type proton exchange film battery |
Country Status (1)
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|---|---|
| CN (1) | CN2694502Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392895C (en) * | 2006-07-27 | 2008-06-04 | 上海交通大学 | Combined integrated bipole plate for proton exchange membrane fuel battery |
| CN101826621A (en) * | 2010-03-30 | 2010-09-08 | 上海恒劲动力科技有限公司 | Bipolar plate for fuel cells |
| CN101325252B (en) * | 2007-06-15 | 2010-09-29 | 清华大学 | Double pole plate for fluid flow battery |
| CN101944618A (en) * | 2010-10-08 | 2011-01-12 | 武汉理工大学 | Tree-structured flow field proton exchange membrane fuel cell bipolar plate |
| CN102544519A (en) * | 2010-12-31 | 2012-07-04 | 中国科学院金属研究所 | Bipolar plate structure of proton exchange membrane fuel cell |
| CN104716329A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Solid polymer electrolyte water electrolysis cell bipolar plate and production method thereof |
| CN105428678A (en) * | 2015-12-15 | 2016-03-23 | 江苏绿遥燃料电池系统制造有限公司 | Seal connecting piece for high-power-density PEMFC (proton exchange membrane fuel cell) pile |
| CN105449239A (en) * | 2015-12-15 | 2016-03-30 | 江苏绿遥燃料电池系统制造有限公司 | Externally embedding sealing method of special pole plate of high power density PEMFC electric pile |
| CN106033818A (en) * | 2015-03-13 | 2016-10-19 | 上海恒劲动力科技有限公司 | Guide plate and fuel cell stack containing the same |
| CN109860650A (en) * | 2019-01-28 | 2019-06-07 | 北京福田戴姆勒汽车有限公司 | Bipolar plates and preparation method thereof and fuel cell with it |
-
2004
- 2004-05-21 CN CNU2004200290044U patent/CN2694502Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392895C (en) * | 2006-07-27 | 2008-06-04 | 上海交通大学 | Combined integrated bipole plate for proton exchange membrane fuel battery |
| CN101325252B (en) * | 2007-06-15 | 2010-09-29 | 清华大学 | Double pole plate for fluid flow battery |
| CN101826621A (en) * | 2010-03-30 | 2010-09-08 | 上海恒劲动力科技有限公司 | Bipolar plate for fuel cells |
| CN101944618A (en) * | 2010-10-08 | 2011-01-12 | 武汉理工大学 | Tree-structured flow field proton exchange membrane fuel cell bipolar plate |
| CN102544519A (en) * | 2010-12-31 | 2012-07-04 | 中国科学院金属研究所 | Bipolar plate structure of proton exchange membrane fuel cell |
| CN104716329B (en) * | 2013-12-13 | 2018-08-24 | 中国科学院大连化学物理研究所 | A kind of solid polymer electrolyte water electrolytic cell bipolar plates and preparation method thereof |
| CN104716329A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Solid polymer electrolyte water electrolysis cell bipolar plate and production method thereof |
| CN106033818B (en) * | 2015-03-13 | 2020-04-03 | 上海恒劲动力科技有限公司 | Flow guide plate and fuel cell stack containing same |
| CN106033818A (en) * | 2015-03-13 | 2016-10-19 | 上海恒劲动力科技有限公司 | Guide plate and fuel cell stack containing the same |
| CN105428678A (en) * | 2015-12-15 | 2016-03-23 | 江苏绿遥燃料电池系统制造有限公司 | Seal connecting piece for high-power-density PEMFC (proton exchange membrane fuel cell) pile |
| CN105449239B (en) * | 2015-12-15 | 2018-02-16 | 江苏氢电新能源有限公司 | A kind of externally embedded type encapsulating method of the special pole plate of high power density pemfc stack |
| CN105449239A (en) * | 2015-12-15 | 2016-03-30 | 江苏绿遥燃料电池系统制造有限公司 | Externally embedding sealing method of special pole plate of high power density PEMFC electric pile |
| CN109860650A (en) * | 2019-01-28 | 2019-06-07 | 北京福田戴姆勒汽车有限公司 | Bipolar plates and preparation method thereof and fuel cell with it |
| CN109860650B (en) * | 2019-01-28 | 2021-03-23 | 北京福田戴姆勒汽车有限公司 | Bipolar plate, preparation method thereof and fuel cell with bipolar plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |