CN212113903U - Fuel cell stack and fuel cell power generation device - Google Patents
Fuel cell stack and fuel cell power generation device Download PDFInfo
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- CN212113903U CN212113903U CN202021189913.XU CN202021189913U CN212113903U CN 212113903 U CN212113903 U CN 212113903U CN 202021189913 U CN202021189913 U CN 202021189913U CN 212113903 U CN212113903 U CN 212113903U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a fuel cell field provides a fuel cell pile, a plurality of fuel cell monomer including the order range upon range of, fuel cell monomer includes bipolar plate and membrane electrode assembly, membrane electrode assembly is located the adjacent of superpose between the bipolar plate, a plurality of first reaction regions on the bipolar plate with a plurality of second reaction regions on the membrane electrode assembly one-to-one, each be formed with reaction region flow field on the first reaction region, each reaction region flow field between the adjacent first reaction region of bipolar plate is the same or symmetrical arrangement; the areas of the independent first reaction areas of each bipolar plate are the same, and the areas of the independent second reaction areas of each membrane electrode assembly are the same. Fuel cell pile can be on current fuel cell pile basis, through increasing the free reaction zone of fuel cell, expand fast, improve single fuel cell pile's power, shortened development cycle, moreover, be favorable to the assembly.
Description
Technical Field
The present invention relates to a fuel cell, and more particularly to a fuel cell stack, and further to a fuel cell power generation device.
Background
With the problem of global warming becoming more serious, the demand of people for clean energy is more urgent. In recent years, fuel cells have been receiving global attention, and currently, there are proton exchange membrane fuel cells, solid oxide fuel cells, methanol fuel cells, molten carbonate fuel cells, and the like, and the fuel cells have been used in the fields of Cogeneration (CHP), stationary power generation, backup power sources, vehicles, ships, and the like. Due to the fact that the reaction process is almost pollution-free and the efficiency is about 50%, for example, hydrogen fuel cells, hydrogen energy development plans have been launched in different countries of the world, and energy conservation and emission reduction are expected to be carried out through the fuel cells so as to realize sustainable development.
The process of generating electricity by a fuel cell is a chemical reaction, and particularly, at the site of electricity generation, a supply of fuel, a supply of air or oxygen, a control of temperature, etc. are required simultaneously with the reaction, wherein a fuel cell stack is the most core part. The specific reactions of fuel cells involve mass transfer, heat transfer, water or steam removal, pressure drop, etc. and the power of individual fuel cell stacks is limited due to the presence of such problems, for example, the power of a single graphite plate stack is currently generally not more than 50kW, and the power of a single metal plate stack is not more than 120 kW. If a single fuel cell stack with higher power is to be obtained, a complex development process is usually required, the period is relatively long, and at present, after the fuel cell units are assembled to a certain number, the assembly is difficult to realize technically, and the manufacturing of the fuel cell stack with higher power is difficult to realize quickly.
Therefore, how to rapidly manufacture a fuel cell stack with higher power is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fuel cell stack can be on the basis of current fuel cell stack, through increasing the free reaction zone of fuel cell, expands fast, improves the power of single fuel cell stack, has shortened development cycle, moreover, is favorable to the assembly.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a fuel cell stack comprises a plurality of fuel cell units which are sequentially stacked, wherein each fuel cell unit comprises a bipolar plate and a Membrane Electrode Assembly (MEA), the MEA is positioned between adjacent bipolar plates which are stacked, a plurality of first reaction areas on the bipolar plates correspond to a plurality of second reaction areas on the MEA in a one-to-one mode, a reaction area flow field is formed on each first reaction area, and the reaction area flow fields between the adjacent first reaction areas of each bipolar plate are identical or symmetrically arranged; the areas of the independent first reaction areas of each bipolar plate are the same, and the areas of the independent second reaction areas of each membrane electrode assembly are the same.
Further, the flow direction of the same fluid in the adjacent reaction region flow field of each bipolar plate is the same or opposite.
Further, the bipolar plates and the membrane electrode assembly are each provided with fluid distribution channels.
Still further, the fluid distribution channels include an anode inlet fluid distribution channel, an anode outlet fluid distribution channel, a cathode inlet fluid distribution channel, a cathode outlet fluid distribution channel, a coolant inlet fluid distribution channel, and a coolant outlet fluid distribution channel.
Furthermore, the reaction region flow field is respectively communicated with the anode inlet fluid distribution channel and the anode outlet fluid distribution channel, the cathode inlet fluid distribution channel and the cathode outlet fluid distribution channel, and the coolant inlet fluid distribution channel and the coolant outlet fluid distribution channel.
Further, the outlet area of the anode outlet fluid distribution channels is 65% to 95% of the inlet area of the anode inlet fluid distribution channels, and the outlet area of the cathode outlet fluid distribution channels is 70% to 100% of the inlet area of the cathode inlet fluid distribution channels.
Still further, the fluid distribution channels are shared between adjacent first reaction zones of the same bipolar plate and the fluid distribution channels are shared between adjacent second reaction zones of the same mea.
Still further, there is no common fluid distribution channel between adjacent first reaction zones of the same bipolar plate and no common fluid distribution channel between adjacent second reaction zones of the same mea.
Further, the area of the first reaction region and the area of the second reaction region were 2cm2～1000cm2。
Compared with the prior art, the fuel cell stack of the utility model has the following advantages:
(1) in the fuel cell stack of the present invention, the number of the reaction regions in the fuel cell stack is increased, so that the fuel cell stack with the number of the reaction regions being multiple times of the existing fuel cell stack is manufactured for a single fuel cell stack under the condition that the number of the fuel cell stack is the same as the number of the fuel cell stack in the existing fuel cell stack, i.e. the fuel cell stack with higher power is manufactured; the method can quickly realize the manufacture of the high-power fuel cell stack and reduce the development period.
(2) In the fuel cell pile, fluid passages such as anode inlet, anode outlet, cathode inlet, cathode outlet, coolant inlet and coolant outlet are all arranged on the bipolar plate and the membrane electrode assembly, and the fluid passages can be shared between the adjacent bipolar plates and also between the adjacent membrane electrode assemblies, so that the number of holes is reduced.
Another object of the present invention is to provide a fuel cell power plant provided with the fuel cell stack described above.
Thus, by employing the fuel cell stack described above, a relatively large power can be supplied.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic diagram of a bipolar plate according to the prior art, wherein the bipolar plate has a single reaction zone;
FIG. 2 is a schematic structural view of an MEA according to the prior art, wherein the MEA has a single reaction region;
fig. 3 is a schematic structural diagram of a bipolar plate according to a first embodiment of the present invention, wherein the bipolar plate has two reaction regions;
fig. 4 is a schematic structural diagram of a membrane electrode assembly according to a first embodiment of the present invention, wherein the membrane electrode assembly has two reaction regions;
fig. 5 is a schematic structural diagram of a bipolar plate according to a second embodiment of the present invention, wherein the bipolar plate has three reaction regions;
FIG. 6 is a schematic structural view of a membrane electrode assembly according to a second embodiment of the present invention, wherein the membrane electrode assembly has three reaction regions;
fig. 7 is a schematic structural view of a bipolar plate according to a third embodiment of the present invention, in which two reaction regions share a fluid distribution channel;
FIG. 8 is a schematic structural view of a membrane electrode assembly according to a third embodiment of the present invention, in which two reaction regions share a fluid distribution channel;
fig. 9 is a schematic structural view of a bipolar plate according to a fourth embodiment of the present invention, in which two adjacent reaction regions share a fluid distribution channel therebetween;
fig. 10 is a schematic structural view of a membrane electrode assembly according to a fourth embodiment of the present invention, in which fluid distribution channels are shared between two adjacent membrane electrode assemblies in three reaction regions, respectively.
Description of reference numerals:
1 first reaction zone of bipolar plate 11
2 membrane electrode assembly 21 second reaction zone
31 anode inlet fluid distribution channel 32 anode outlet fluid distribution channel
33 cathode inlet fluid distribution channel 34 cathode outlet fluid distribution channel
35 coolant inlet fluid distribution channel 36 coolant outlet fluid distribution channel
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 3 to 10, a fuel cell stack according to a basic embodiment of the present invention includes a plurality of fuel cell units stacked in sequence, each fuel cell unit includes a bipolar plate 1 and a membrane electrode assembly 2, the membrane electrode assembly 2 is located between adjacent bipolar plates 1 stacked, a plurality of first reaction regions 11 on the bipolar plate 1 correspond to a plurality of second reaction regions 21 on the membrane electrode assembly 2 one by one, each first reaction region 11 is formed with a reaction region flow field, and the reaction region flow fields between adjacent first reaction regions 11 of each bipolar plate 1 are the same or symmetrically arranged; the respective first reaction regions 11 of each bipolar plate 1 have the same area, and the respective second reaction regions 21 of each membrane electrode assembly 2 have the same area.
Fig. 1 is a schematic structural view of a bipolar plate according to the prior art, and fig. 2 is a schematic structural view of an MEA according to the prior art. Referring to fig. 1 and 2, the power of existing fuel cell stacks is generally limited, for example, currently, the single stack power of graphite plate stacks does not exceed 50kW, and the single stack power of metal plate stacks does not exceed 120 kW. Because the involved chemical reactions are complex, the specific reactions involve mass transfer, heat transfer, water drainage or steam, pressure drop and the like, and because the problems exist, the power of a single fuel cell stack is limited; for example, the power is increased from the perspective of increasing the area of the reaction region, and due to the above-mentioned problem, in the development process, the flow field of the reaction region needs to be redesigned, and various verification works are required, so that the development period is long, and the cost is high; in particular, in the actual manufacturing process, due to process limitations, when the number of the fuel cell units reaches 400 or more, it is difficult to assemble the fuel cell stack, that is, it is difficult to rapidly manufacture a fuel cell stack with a large power in a short time.
In the above-mentioned basic technical solution of the present invention, the manufacturing of a fuel cell stack with a large power is realized by expanding based on the prior art and increasing the number of reaction regions in a fuel cell; specifically, a plurality of first reaction regions 11 are arranged on the bipolar plate 1, a plurality of second reaction regions 21 are arranged on the membrane electrode assembly 2, the first reaction regions 11 correspond to the second reaction regions 21 one by one, and as the membrane electrode assembly 2 is positioned between the adjacent bipolar plates 1 which are stacked, a complete reaction region is formed between the first reaction region 11 and the second reaction region 21, so that the number of the reaction regions in a fuel cell monomer is increased, the manufacturing of a fuel cell stack with higher power is rapidly realized, and the development cycle is shortened; the first reaction regions 11 are formed with reaction region flow fields, so that fluid can flow in the reaction region flow fields and perform electrochemical reactions, and the reaction region flow fields between adjacent first reaction regions 11 of each bipolar plate 1 are arranged in the same or symmetrical manner, so that the manufacturing process is simple, and the power bottleneck of the existing fuel cell stack is broken through.
In a specific embodiment, the bipolar plate 1 is provided with a fluid distribution channel, the membrane electrode assembly 2 is also provided with a fluid distribution channel, the fluid distribution channel includes six types of interfaces, such as an anode inlet fluid distribution channel 31, an anode outlet fluid distribution channel 32, a cathode inlet fluid distribution channel 33, a cathode outlet fluid distribution channel 34, a coolant inlet fluid distribution channel 35, and a coolant outlet fluid distribution channel 36, and the interfaces are communicated with a flow field of a reaction region; for example, referring to fig. 3, anode inlet fluid distribution channels 31, anode outlet 32 fluid distribution channels, cathode inlet fluid distribution channels 33, cathode outlet fluid distribution channels 34, coolant inlet fluid distribution channels 35, and coolant outlet fluid distribution channels 36 are provided around the edges of the respective first reaction zones 11, or, referring to fig. 4, anode inlet fluid distribution channels 31, anode outlet 32 fluid distribution channels, cathode inlet fluid distribution channels 33, cathode outlet fluid distribution channels 34, coolant inlet fluid distribution channels 35, and coolant outlet fluid distribution channels 36 are provided around the edges of the respective second reaction zones 12.
Wherein the anode inlet fluid distribution channel 31 and the anode outlet fluid distribution channel 32 are used for the ingress and egress of fuel, the cathode inlet fluid distribution channel 33 and the cathode outlet fluid distribution channel 34 are used for the ingress and egress of air or oxygen, and the coolant inlet fluid distribution channel 35 and the coolant outlet fluid distribution channel 36 are used for the ingress and egress of coolant. In addition, the outlet area of the anode outlet fluid distribution channels 32 may be designed to be 65% to 95% of the inlet area of the anode inlet fluid distribution channels 31, and the outlet area of the cathode outlet fluid distribution channels 34 may be designed to be 70% to 100% of the inlet area of the cathode inlet fluid distribution channels 33, and generally, the fluid is reduced after the chemical reaction, and accordingly, the smaller the anode outlet fluid distribution channels 32 and the cathode outlet fluid distribution channels 34, the structural area can be saved, and the design can be used for other needed designs.
Further, the flow field of the reaction area includes an anode flow field and a cathode flow field, a coolant flow field is formed between the anode flow field and the cathode flow field, the anode flow field formed in the bipolar plate is communicated with the anode inlet fluid distribution channel 31 and the anode outlet fluid distribution channel 32, the cathode flow field formed in the bipolar plate is communicated with the cathode inlet fluid distribution channel 33 and the cathode outlet fluid distribution channel 34, and the coolant flow field formed in the bipolar plate is communicated with the coolant inlet fluid distribution channel 35 and the coolant outlet fluid distribution channel 36; in the embodiments shown in fig. 6, 9 or 10, the anode inlet fluid distribution channel 31 and the anode outlet fluid distribution channel 32 are taken as examples, and for the convenience of understanding the flow direction of the fluid in the flow field of the reaction region, in the corresponding drawings, the general flow direction of the fluid as a whole is indicated by lines with arrows; in the following description, taking hydrogen as fuel, hydrogen enters from the anode inlet fluid distribution channel 31, and chemically reacts with oxygen in the fluid reaction zone formed between the corresponding first reaction zone 11 and second reaction zone 21, and the rest of hydrogen flows out from the anode outlet fluid distribution channel 32; similarly, oxygen or air enters from the cathode inlet fluid distribution channels 33 and chemically reacts with hydrogen in the fluid reaction zone, and the remaining oxygen or air exits from the cathode outlet fluid distribution channels 34; the coolant enters from the coolant inlet fluid distribution channels 35 and exits from the coolant outlet fluid distribution channels 36 to dissipate heat from the coolant. Generally, the membrane electrode assembly 2 is a combination of Proton Exchange Membranes (PEMs), catalyst layers coated on both sides of the proton exchange membranes, and diffusion layers disposed on both sides of the catalyst layers.
Wherein, referring to fig. 3, there may be no common fluid distribution channel between adjacent bipolar plates 1, and in this case, the arrangement of the reaction region flow fields on the adjacent first reaction regions 11 is identical; meanwhile, referring to fig. 4, there may be no common fluid distribution channel between adjacent membrane electrode assemblies 2; in the fluid reaction regions formed between the first reaction regions 11 and the corresponding second reaction regions 21, the flow directions of the same fluid in adjacent fluid reaction regions are the same.
Alternatively, a common fluid distribution channel may be used, for example, fig. 7 shows an example of a common fluid distribution channel between adjacent bipolar plates 1, and fig. 8 shows an example of a common fluid distribution channel between adjacent mea 2; namely, a shared fluid distribution channel is arranged between the adjacent bipolar plates 1, and meanwhile, a shared fluid distribution channel is also arranged between the adjacent membrane electrode assemblies 2; by sharing the fluid distribution channel, the number of open holes can be reduced, and the processing efficiency can be improved to a certain extent. Moreover, the reaction region flow fields between adjacent first reaction regions 11 may be symmetrically arranged, as shown in fig. 7 to 10, and may share the fluid distribution channels, or, as shown in fig. 3 to 6, may not share the fluid distribution channels, and the flow directions of the same fluid in the adjacent reaction region flow fields are opposite; the fluid may be hydrogen, oxygen, coolant, etc.
In practical use, the area of the first reaction region 11 and the area of the second reaction region 21 can be designed as required, for example, the area of the first reaction region 11 and the area of the second reaction region 21 are both 2cm2～1000cm2. In general, in a formed fuel cell, several bipolar plates 1 and membrane electrode assemblies 2 are sequentially stacked to form a fuel cell stack, and constitute the fuel cell together with an insulating plate, a sealing ring, a current collecting plate, an end plate, and fastening bolts.
As shown in fig. 3 to 10, the fuel cell stack according to the preferred embodiment of the present invention includes a plurality of fuel cell units stacked in sequence, each fuel cell unit includes a bipolar plate 1 and a membrane electrode assembly 2, the membrane electrode assembly 2 is located between adjacent bipolar plates 1 stacked, a plurality of first reaction regions 11 on the bipolar plate 1 correspond to a plurality of second reaction regions 21 on the membrane electrode assembly 2 one by one, and a reaction region flow field is formed on each first reaction region 11; referring to fig. 3, fluid distribution channels such as an anode inlet fluid distribution channel 31, an anode outlet fluid distribution channel 32, a cathode inlet fluid distribution channel 33, a cathode outlet fluid distribution channel 34, a coolant inlet fluid distribution channel 35, and a coolant outlet fluid distribution channel 36 are provided around the edge of each first reaction region 11, and referring to fig. 4, fluid distribution channels such as an anode inlet fluid distribution channel 31, an anode outlet fluid distribution channel 32, a cathode inlet fluid distribution channel 33, a cathode outlet fluid distribution channel 34, a coolant inlet fluid distribution channel 35, and a coolant outlet fluid distribution channel 36 are provided around the edge of each second reaction region 12; the flow field of the reaction area comprises an anode flow field, a cathode flow field and a coolant flow field, wherein the anode flow field is communicated with an anode inlet fluid distribution channel 31 and an anode outlet fluid distribution channel 32 and is used for the inlet and the outlet of fuel, the cathode flow field is communicated with a cathode inlet fluid distribution channel 33 and a cathode outlet fluid distribution channel 34 and is used for the inlet and the outlet of oxygen, and the coolant flow field is communicated with a coolant inlet fluid distribution channel 35 and a coolant outlet fluid distribution channel 36 and is used for the inlet and the outlet of coolant; further, the bipolar plates 1 may not share the fluid distribution channels, and at the same time, the mea 2 may not share the fluid distribution channels, and the flow fields of the reaction regions on the adjacent first reaction regions 11 are the same, and the flow directions of the same fluid therein are the same, or, referring to fig. 3, the flow fields of the reaction regions on the adjacent first reaction regions 11 are symmetrically arranged, and the flow directions of the same fluid therein are opposite; alternatively, the bipolar plates 1 may share the fluid distribution channels, and the mea 2 may also share the fluid distribution channels, and referring to fig. 7, the reaction zone flow fields of the adjacent first reaction zones 11 are symmetrically arranged, and the flow directions of the same fluid therein are opposite.
Fig. 3 and 7 show an example of a bipolar plate 1 with two first reaction zones 11, and correspondingly fig. 4 and 8 show an example of a membrane electrode assembly 2 with two second reaction zones 21; fig. 5 and 9 show an example of a bipolar plate 1 with three first reaction zones 11, and correspondingly fig. 6 and 10 show an example of a membrane electrode assembly 2 with three second reaction zones 21; it should be noted that the number of the first reaction area 11 and the second reaction area 21 can be set to be more according to the requirement to meet different power requirements. In use, the fuel cell formed by the fuel cell stack of the present invention has at least 2 independent reaction regions for each fuel cell, and in the operation process, reactants are required to be simultaneously input into each reaction region, and each reaction region is physically independent, but is mutually connected to each other, and the reaction is jointly carried out, the reaction is jointly stopped, and all steps are coordinated.
As can be seen from the above, in the prior art, since the chemical reactions involved in the fuel cell are complex, and the specific reactions involve mass transfer, heat transfer, water or steam drainage, pressure drop and other problems, the power of the single fuel cell stack is limited due to the existence of such problems; the development period is long, and when the number of the fuel cell monomers reaches more than 400, the assembly is difficult to realize, so that the fuel cell pile with high power is difficult to manufacture; however, the fuel cell stack of the present invention expands the design of a plurality of existing fuel cell stacks, and skillfully realizes the manufacture of high-power fuel cells by increasing the number of the first reaction regions 11 on the bipolar plate 1 and the number of the second reaction regions 21 on the membrane electrode assembly 2, thereby breaking through the power bottleneck of the existing fuel cell stacks, and the fuel cell stack of the present invention has the advantages of rapid manufacture, improved work efficiency, reduced development cycle, no need of increasing the difficulty of assembly, and convenient assembly; the method has a promotion effect on popularization and application of the fuel cell.
In addition, the utility model also provides a fuel cell power generation facility, the fuel cell power generation facility can be applied to vehicles such as vehicle or boats and ships to can provide great power to vehicles such as vehicle or boats and ships; the present invention can also be applied to power supply equipment such as Cogeneration (CHP) power generation, stationary power generation, or backup power supply, so as to increase the power of the power supply equipment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fuel cell stack comprising a plurality of fuel cell units stacked in sequence, wherein the fuel cell units comprise bipolar plates (1) and membrane electrode assemblies (2), the membrane electrode assemblies (2) are positioned between adjacent stacked bipolar plates (1), a plurality of first reaction regions (11) on the bipolar plates (1) correspond to a plurality of second reaction regions (21) on the membrane electrode assemblies (2) one by one, a reaction region flow field is formed on each first reaction region (11), and the reaction region flow fields between adjacent first reaction regions (11) of each bipolar plate (1) are the same or are symmetrically arranged; the areas of the independent first reaction regions (11) of each bipolar plate (1) are the same, and the areas of the independent second reaction regions (21) of each membrane electrode assembly (2) are the same.
2. The fuel cell stack according to claim 1, wherein the flow direction of the same fluid in the adjacent reaction zone flow field of each bipolar plate (1) is the same or opposite.
3. A fuel cell stack according to claim 2, characterized in that the bipolar plate (1) and the membrane electrode assembly (2) are each provided with fluid distribution channels.
4. The fuel cell stack according to claim 3, wherein the fluid distribution channels comprise an anode inlet fluid distribution channel (31), an anode outlet fluid distribution channel (32), a cathode inlet fluid distribution channel (33), a cathode outlet fluid distribution channel (34), a coolant inlet fluid distribution channel (35), and a coolant outlet fluid distribution channel (36).
5. The fuel cell stack according to claim 4, wherein the reaction zone flow fields of the bipolar plates communicate the anode inlet fluid distribution channels (31) with the anode outlet fluid distribution channels (32), communicate the cathode inlet fluid distribution channels (33) with the cathode outlet fluid distribution channels (34), and communicate the coolant inlet fluid distribution channels (35) with the coolant outlet fluid distribution channels (36), respectively.
6. The fuel cell stack according to claim 4, wherein the outlet area of the anode outlet fluid distribution channels (32) is 65-95% of the inlet area of the anode inlet fluid distribution channels (31) and the outlet area of the cathode outlet fluid distribution channels (34) is 70-100% of the inlet area of the cathode inlet fluid distribution channels (33).
7. A fuel cell stack according to claim 3, characterized in that there is a common said fluid distribution channel between adjacent said first reaction zones (11) of the same bipolar plate (1) and a common said fluid distribution channel between adjacent said second reaction zones (21) of the same membrane electrode assembly (2).
8. A fuel cell stack according to claim 3, characterized in that there are no shared fluid distribution channels between adjacent first reaction zones (11) of the same bipolar plate (1) and no shared fluid distribution channels between adjacent second reaction zones (21) of the same membrane electrode assembly (2).
9. The fuel cell stack according to any one of claims 1 to 8, characterized in that the area of the first reaction region (11) and the area of the second reaction region (21) are 2cm2～1000cm2。
10. A fuel cell power plant characterized by being provided with the fuel cell stack according to any one of claims 1 to 9.
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| CN202021189913.XU CN212113903U (en) | 2020-06-23 | 2020-06-23 | Fuel cell stack and fuel cell power generation device |
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| CN202021189913.XU CN212113903U (en) | 2020-06-23 | 2020-06-23 | Fuel cell stack and fuel cell power generation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036524A (en) * | 2022-05-23 | 2022-09-09 | 一汽解放汽车有限公司 | Bipolar plate and fuel cell |
| CN115579484A (en) * | 2022-11-04 | 2023-01-06 | 北京朔景新能源科技有限公司 | Fuel cell and electrode plate for fuel cell |
| CN116072944A (en) * | 2022-12-07 | 2023-05-05 | 山东大学 | Single-stack megawatt fuel cell |
| CN117727962A (en) * | 2023-08-03 | 2024-03-19 | 武汉雄韬氢雄燃料电池科技有限公司 | Large-power fuel cell with ultra-large effective area |
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2020
- 2020-06-23 CN CN202021189913.XU patent/CN212113903U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036524A (en) * | 2022-05-23 | 2022-09-09 | 一汽解放汽车有限公司 | Bipolar plate and fuel cell |
| CN115579484A (en) * | 2022-11-04 | 2023-01-06 | 北京朔景新能源科技有限公司 | Fuel cell and electrode plate for fuel cell |
| CN115579484B (en) * | 2022-11-04 | 2023-11-17 | 北京朔景新能源科技有限公司 | Fuel cell and electrode plate for fuel cell |
| CN116072944A (en) * | 2022-12-07 | 2023-05-05 | 山东大学 | Single-stack megawatt fuel cell |
| CN116072944B (en) * | 2022-12-07 | 2024-06-07 | 山东大学 | Single-stack megawatt fuel cell |
| CN117727962A (en) * | 2023-08-03 | 2024-03-19 | 武汉雄韬氢雄燃料电池科技有限公司 | Large-power fuel cell with ultra-large effective area |
| CN117727962B (en) * | 2023-08-03 | 2024-06-14 | 武汉雄韬氢雄燃料电池科技有限公司 | Large-power fuel cell with ultra-large effective area |
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