CN115064722A - Radiating metal stamping bipolar plate of air-cooled proton exchange membrane fuel cell - Google Patents
Radiating metal stamping bipolar plate of air-cooled proton exchange membrane fuel cell Download PDFInfo
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- CN115064722A CN115064722A CN202210762406.8A CN202210762406A CN115064722A CN 115064722 A CN115064722 A CN 115064722A CN 202210762406 A CN202210762406 A CN 202210762406A CN 115064722 A CN115064722 A CN 115064722A
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- 239000002184 metal Substances 0.000 title claims abstract description 42
- 239000000446 fuel Substances 0.000 title claims abstract description 41
- 239000012528 membrane Substances 0.000 title claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000003487 electrochemical reaction Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- 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
- H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a heat-dissipation metal stamping bipolar plate of an air-cooled proton exchange membrane fuel cell, which belongs to the field of fuel cells and comprises an anode plate and a cathode plate which are stacked up and down, wherein an anode flow field is arranged on the upper end surface of the anode plate, an anode flow channel with two open ends is transversely arranged on the anode flow field and used for hydrogen to enter and exit, a cathode flow field is arranged on the lower end surface of the cathode plate, a cathode flow channel with two open ends is longitudinally arranged on the cathode flow field and used for air to enter and exit, the anode flow channel is vertical to the cathode flow channel, and a back cavity of the anode flow channel is communicated with a back cavity of the cathode flow channel to form a concave-convex heat-dissipation channel. The heat dissipation metal stamping bipolar plate of the air-cooled proton exchange membrane fuel cell has the advantages of simple structure, good heat dissipation performance, easy production and processing and strong universality.
Description
Technical Field
The invention belongs to the field of fuel cells, and particularly relates to a heat dissipation metal stamping bipolar plate of an air-cooled proton exchange membrane fuel cell.
Background
The proton exchange membrane fuel cell is an energy conversion device which takes hydrogen as a reducing agent and oxygen as an oxidizing agent, and the only product is water, so that the proton exchange membrane fuel cell is high-efficient, clean and pollution-free. The fuel cell directly converts chemical energy between fuel and oxygen into electric energy, the power generation efficiency can reach more than 60%, and the rest energy is released in the form of heat. The battery can be divided into air cooling and liquid cooling according to the heat dissipation mode of the battery.
Compared with the graphite bipolar plate, the metal stamping bipolar plate has the advantages of light weight, thin thickness, high strength and good toughness. In terms of manufacturing process, the graphite bipolar plate needs to be carved and molded, and has the advantages of high cost, low production efficiency, relatively poor mechanical property and air tightness, excellent electrical conductivity, small contact resistance, good stability, corrosion resistance and the like, so that the graphite bipolar plate is still the main manufacturing material of the proton exchange membrane fuel bipolar plate. The metal stamping bipolar plate is formed by stamping a metal thin plate, has high cost and low efficiency in mass production, and is widely applied to commercial fuel cells. The air-cooled fuel cell bipolar plate needs to bear the requirement of cell heat dissipation, the heat dissipation effect of a general cathode flow channel is limited, and the performance of the air-cooled proton exchange membrane fuel cell under high current load is limited.
The metal bipolar plate of the adhesion-free sealing structure of the proton exchange membrane fuel cell related to the publication number CN113346099A comprises a bipolar plate main body, a fuel hole, a liquid discharge hole and an oxygen hole, two flow fields are adopted to improve the gas distribution uniformity and prevent water reversal, and the problems of a water flooding phenomenon on the surface of an exchange membrane and excessive dryness on the surface of the exchange membrane are solved. However, such a metal bipolar plate is only suitable for liquid-cooled fuel cells and cannot be air-cooled.
The utility model discloses a metal bipolar plate and air cooling proton exchange membrane fuel cell that CN113471469A relates, it has a plurality ofly to cross the through-hole to distribute on the negative plate, and gas need pass through the through-hole and get into the bipolar plate cavity in the negative pole runner, improves the gaseous vortex degree of negative pole, nevertheless crosses the through-hole structure and has reduced the structural strength of negative plate, can't be in the use on large-scale galvanic pile, and the commonality is relatively poor.
The publication No. CN203607487U relates to a high integration proton exchange membrane fuel cell metal bipolar plate, wherein, the anode plate and the cathode plate flow channels are welded into cavities with different stamping depths to be used as cooling flow channels. The flow field direction of the gas of the cathode and the anode of the bipolar plate is the same as that of the cooling liquid, and although the heat dissipation efficiency of the bipolar plate is improved, the structure has high requirements on the welding tightness of the cathode and the anode plate, the operation is difficult during production and processing, and the difficulty in volume production is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a heat-radiating metal stamping bipolar plate of an air-cooling proton exchange membrane fuel cell, aiming at solving the problems of poor air cooling effect, poor universality, complex structure and difficult processing and production of the existing metal bipolar plate.
In order to achieve the above object, the present invention provides a heat-dissipating metal stamped bipolar plate of an air-cooled proton exchange membrane fuel cell, comprising: the heat dissipation device comprises an anode plate and a cathode plate which are stacked up and down, wherein an anode flow field is arranged on the upper end face of the anode plate, an anode flow channel with two open ends is transversely arranged on the anode flow field and used for hydrogen to enter and exit, a cathode flow field is arranged on the lower end face of the cathode plate, a cathode flow channel with two open ends is longitudinally arranged on the cathode flow field and used for air to enter and exit, the anode flow channel is perpendicular to the cathode flow channel, and a back cavity of the anode flow channel is communicated with a back cavity of the cathode flow channel to form a concave-convex heat dissipation channel.
Furthermore, through grooves are formed in the ridges of the anode runner in a discontinuous manner, the through grooves divide the middle section of the anode runner uniformly along the length direction, and the ends, close to the through grooves, of the ridges of the anode runner are all closed; and hydrogen is integrated at the through groove through the anode runner and then enters an anode flow field of the next stage.
Furthermore, the width of the through groove is 2mm-4 mm.
Furthermore, the cathode plate and the anode plate are punched by metal plates with the thickness of 0.1mm-0.2mm, the punching depth of the anode flow channel is 0.7mm-1mm, and the punching width is 0.5mm-3 mm; the punching depth of the cathode runner is 1mm-1.2mm, and the punching width is 1mm-4 mm.
Furthermore, the cathode flow field length of the cathode plate is 50mm-80mm, and the anode flow field length of the anode plate is 370mm-450 mm.
Still further, the aspect ratio of the cathode plate and the anode plate is between 5 and 6.
Furthermore, the cross section of the cathode flow channel is trapezoidal, and the cross section of the anode flow channel is trapezoidal.
Furthermore, the anode plate and the cathode plate are fixed by spot welding.
Furthermore, the two ends of the anode plate are provided with hydrogen inlets and hydrogen outlets, the periphery of the anode runner is provided with a first sealing groove, and the two ends of the cathode plate are provided with second sealing grooves.
Furthermore, a membrane electrode is laminated between the two metal stamping bipolar plates to form a single cell, and the single cells are connected in series to form a cell stack.
Compared with the prior art, the technical scheme has the advantages that the cathode runner and the anode runner are vertically arranged, and the back cavity of the cathode runner and the back cavity of the anode runner form the concave-convex heat dissipation channel, so that the structure is stable and firm, an independent cooling channel is not required to be designed, air of a cathode oxidant can be directly used as a heat dissipation medium, redundant heat in a battery is taken away by improving the air supply quantity of the cathode, the bipolar plate structure is simplified, the air cooling effect is good, the heat dissipation effect is improved, the bipolar plate can be conveniently applied to different-size galvanic piles, the processing is simple, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of an anode plate and a cathode plate of a heat-dissipating metal stamped bipolar plate of an air-cooled PEM fuel cell according to the present invention;
FIG. 2 is a cross-sectional view of a cathode plate of a heat-dissipating metal stamped bipolar plate of an air-cooled PEM fuel cell according to the present invention;
FIG. 3 is a schematic connection diagram of a heat-dissipating metal stamped bipolar plate of an air-cooled PEM fuel cell according to the present invention;
FIG. 4 is a schematic view of the connection between the heat-dissipating metal stamped bipolar plates of the air-cooled PEM fuel cell according to the present invention;
fig. 5 is a gas flow diagram of a heat-dissipating metal stamped bipolar plate of an air-cooled proton exchange membrane fuel cell according to the present invention.
The structure corresponding to each numerical mark in the drawings is as follows: 1-anode plate, 11-anode flow channel, 2-through groove, 3-hydrogen inlet and outlet, 4-first sealing groove, 5-cathode plate, 51-cathode flow channel, 52-air flow path in concave-convex heat dissipation channel, 6-second sealing groove, 7-concave-convex heat dissipation channel and 8-membrane electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, the present invention provides a heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell, comprising: the heat dissipation device comprises an anode plate 1 and a cathode plate 5 which are stacked up and down, wherein an anode flow field is arranged on the upper end face of the anode plate 1, an anode flow channel 11 with two open ends is transversely arranged on the anode flow field and used for hydrogen to enter and exit, a cathode flow field is arranged on the lower end face of the cathode plate 5, a cathode flow channel 51 with two open ends is longitudinally arranged on the cathode flow field and used for air to enter and exit, the anode flow channel 11 and the cathode flow channel 51 are perpendicular to each other, and a back cavity of the anode flow channel 11 and a back cavity of the cathode flow channel 51 are communicated to form a concave-convex heat dissipation channel 7. The structure of the metal stamped bipolar plate of the present invention is described in detail below with reference to specific embodiments.
As shown in fig. 1(a) of fig. 1, the anode flow channels 11 of the anode plate 1 are straight flow channels, and preferably, in the present embodiment, the number of the anode flow channels 11 is 20; the two ends of the anode plate 1 are provided with hydrogen inlets and hydrogen outlets 3, in order to improve the sealing effect, the periphery of the anode runner 11 is provided with a first sealing groove 4, and the two ends of the cathode plate 5 are provided with second sealing grooves 6. In order to improve the flow efficiency of hydrogen in the anode runner 11, the ridges of the anode runner 11 are not connected to form through grooves 2, the middle sections of the anode runner 11 are equally divided along the length direction by the through grooves 2, and the ends, close to the through grooves 2, of the ridges of the anode runner 11 are sealed; the anode flow field is divided by the through grooves 2, the length of the anode flow field is 370mm-450mm, hydrogen enters the anode flow field from the opening of the anode runner 11 and then is reintegrated at the through grooves 2 to enter the anode flow field of the next stage, the flow of the hydrogen is accelerated, the width of the through grooves 2 is 2mm-4mm, and preferably, in the example, the width of the through grooves 2 is 3 mm; as shown in fig. 1(b) of fig. 1, the cathode flow channel 51 of the cathode plate 5 is composed of 65 horizontal direct flow channels, the length of the cathode flow field of the cathode plate 5 is 50mm-80mm, two ends of the cathode flow channel 51 of the anode plate 5 are open, the back cavity of the cathode flow channel 51 and the back cavity of the anode flow channel 11 form a concave-convex heat dissipation channel 7, which is arranged alternately with the cathode flow channel 11, when air blown by a fan enters the cathode flow channel 51 and the concave-convex heat dissipation channel 7, a part of the air enters the battery through the cathode direct flow channel 51 to participate in electrochemical reaction, and simultaneously takes away part of heat generated in the battery; another part of the air flows along the air flow path 52 in the concave-convex heat dissipation channel 7 through the concave-convex heat dissipation channel, and the other part of the air does not participate in the electrochemical reaction and only participates in the heat exchange as a forced convection medium.
In order to facilitate the production and processing of the cathode plate 5 and the anode plate 1, the cathode plate and the anode plate are both formed by stamping metal plates with the thickness of 0.1mm-0.2mm, the structure of the cathode plate 5 is shown in figure 2, the processing is simple, the forming is easy, the cathode runner 51 and the anode runner 11 are both formed by stamping through trapezoidal dies, the stamping depth of the anode runner 11 is 0.7mm-1mm, and the stamping width is 0.5mm-3 mm; the punching depth of the cathode runner 51 is 1mm-1.2mm, the punching width is 1mm-4mm, and the processing, molding and demolding are easy; in order to conveniently fix the cathode plate 5 and the anode plate 1, the anode plate 1 and the cathode plate 5 are fixed through spot welding, and the connection strength is high; in order to improve the overall heat dissipation efficiency of the metal bipolar plate, the length-to-width ratio of the metal bipolar plate is 5-6, i.e. the length-to-width ratio of the anode plate 1 and the cathode plate 5 is 5-6.
In the actual using process, a plurality of single cells are often used in series in the pem fuel cell, so as to facilitate the series connection of the single cells and clearly show the structure of the concave-convex dual-channel heat dissipation 7, in this embodiment, only the connection of two metal stamped bipolar plates is described, the connection of a plurality of metal stamped bipolar plates is analogized in turn, as shown in fig. 3, the bipolar plates, the membrane electrode 8 and the bipolar plates are stacked and combined into the single cells in turn from top to bottom, and the single cells can be combined into a stack after being connected in series; the cavities on the back surfaces of the membrane electrode 8 and the anode flow channel 11 are concave-convex heat dissipation channels 7, specifically, the gas flow paths in the concave-convex heat dissipation channels 7 are shown in fig. 5, and 52 in the figure represents the gas flow paths in the concave-convex heat dissipation channels.
When the heat dissipation metal stamping bipolar plate for the air-cooled proton exchange membrane fuel cell is used, the air-cooled proton exchange membrane fuel cell stack is usually provided with a fan on the cathode side for supplying air to the cathode, the air supplied by the fan is divided into two parts through a cathode flow field and passes through the stack, and one part of air enters the cell through a cathode flow channel to participate in electrochemical reaction and simultaneously takes away part of heat generated in the cell; the other part of air flows along the wave-shaped flow channel through the concave-convex heat dissipation channel 7, and the other part of air does not participate in the electrochemical reaction and only participates in heat exchange as a forced convection medium.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. The heat-dissipation metal stamping bipolar plate of the air-cooled proton exchange membrane fuel cell is characterized by comprising an anode plate (1) and a cathode plate (5) which are vertically stacked, wherein an anode flow field is arranged on the upper end face of the anode plate (1), an anode flow channel (11) with two open ends is transversely arranged on the anode flow field and used for hydrogen to enter and exit, a cathode flow field is arranged on the lower end face of the cathode plate (5), a cathode flow channel (51) with two open ends is longitudinally arranged on the cathode flow field and used for air to enter and exit, the anode flow channel (11) and the cathode flow channel (51) are mutually vertical, and a back cavity of the anode flow channel (11) is communicated with a back cavity of the cathode flow channel (51) to form a concave-convex heat-dissipation channel (7).
2. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 1 wherein: the ridges of the anode runner (11) are discontinuous to form through grooves (2), the through grooves (2) equally divide the middle section of the anode runner (11) along the length direction, and the ends, close to the through grooves (2), of the ridges of the anode runner (11) are closed; and hydrogen is integrated at the through groove (2) through the anode runner (11) and then enters an anode flow field of the next stage.
3. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 2 wherein: the width of the through groove (2) is 2-4 mm.
4. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 1 wherein: the cathode plate (5) and the anode plate (1) are formed by punching metal plates with the thickness of 0.1mm-0.2mm, the punching depth of the anode runner (11) is 0.7mm-1mm, and the punching width is 0.5mm-3 mm; the punching depth of the cathode flow channel (51) is 1mm-1.2mm, and the punching width is 1mm-4 mm.
5. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 2 wherein: the length of the cathode flow field is 50mm-80mm, and the length of the anode flow field is 370mm-450 mm.
6. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 1 wherein: the length-width ratio of the cathode plate (5) and the anode plate (5) is between 5 and 6.
7. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 1 wherein: the cross section of the cathode flow channel (5) is trapezoidal, and the cross section of the anode flow channel (11) is trapezoidal.
8. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 1 wherein: the anode plate (1) and the cathode plate (5) are fixed by spot welding.
9. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of claim 1 wherein: the hydrogen inlet and outlet (3) are arranged at two ends of the anode plate (1), a first sealing groove (4) is arranged on the periphery of the anode runner (11), and second sealing grooves (6) are arranged at two ends of the cathode plate (5).
10. The heat-dissipating metal stamped bipolar plate of an air-cooled pem fuel cell of any of claims 1-9 wherein: a membrane electrode (8) is stacked between the two metal stamping bipolar plates to form a single cell, and the single cells are connected in series to form a galvanic pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762406.8A CN115064722A (en) | 2022-06-30 | 2022-06-30 | Radiating metal stamping bipolar plate of air-cooled proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762406.8A CN115064722A (en) | 2022-06-30 | 2022-06-30 | Radiating metal stamping bipolar plate of air-cooled proton exchange membrane fuel cell |
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| CN115064722A true CN115064722A (en) | 2022-09-16 |
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| CN202210762406.8A Pending CN115064722A (en) | 2022-06-30 | 2022-06-30 | Radiating metal stamping bipolar plate of air-cooled proton exchange membrane fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064721A (en) * | 2022-06-08 | 2022-09-16 | 上海电气集团股份有限公司 | Air-cooled fuel single cell assembly and air-cooled fuel cell stack structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630747A (en) * | 2009-08-09 | 2010-01-20 | 江苏新源动力有限公司 | Metal bipolar plate of air-cooling type fuel cell stack |
| CN104091956A (en) * | 2014-07-21 | 2014-10-08 | 江苏超洁绿色能源科技有限公司 | Regional and high-power air cooling type proton exchange membrane fuel cell (PEMFC) electric pile bipolar plate with counter-flow channel |
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2022
- 2022-06-30 CN CN202210762406.8A patent/CN115064722A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630747A (en) * | 2009-08-09 | 2010-01-20 | 江苏新源动力有限公司 | Metal bipolar plate of air-cooling type fuel cell stack |
| CN104091956A (en) * | 2014-07-21 | 2014-10-08 | 江苏超洁绿色能源科技有限公司 | Regional and high-power air cooling type proton exchange membrane fuel cell (PEMFC) electric pile bipolar plate with counter-flow channel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064721A (en) * | 2022-06-08 | 2022-09-16 | 上海电气集团股份有限公司 | Air-cooled fuel single cell assembly and air-cooled fuel cell stack structure |
| CN115064721B (en) * | 2022-06-08 | 2023-12-29 | 上海电气集团股份有限公司 | Air-cooled fuel single cell assembly and air-cooled fuel cell stack structure |
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