CN105336967A - Bipolar plate structures of fuel cell - Google Patents
Bipolar plate structures of fuel cell Download PDFInfo
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- CN105336967A CN105336967A CN201510820686.3A CN201510820686A CN105336967A CN 105336967 A CN105336967 A CN 105336967A CN 201510820686 A CN201510820686 A CN 201510820686A CN 105336967 A CN105336967 A CN 105336967A
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- water conservancy
- conservancy diversion
- reducing agent
- oxidant
- diversion runner
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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
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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
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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
- H01M8/10—Fuel cells with solid electrolytes
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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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- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses bipolar plate structures of a fuel cell. The bipolar plate structures of the fuel cell comprise multiple reducing agent polar plates, multiple oxidizing agent polar plates and multiple layers of membrane electrode assemblies. The designed bipolar plate structures can reasonably utilize cavities formed by the reducing agent polar plates and the oxidizing agent polar plates, flow fields are provided for a coolant, and the coolant in a combination of two substrates can enter active regions; meanwhile, the coolant is ingeniously led into guide region flow channels through coolant guide flow channels. Besides, the flow resistance of the coolant in bipolar plates can be reduced to a great extent, and the energy consumption of a system can be reduced. With the adoption of the bipolar plate structures of the fuel cell, the weight and the size of the bipolar plates can be reduced, and the energy density of the fuel cell can be increased.
Description
Technical field
The present invention relates to energy battery field, be specifically related to a kind of fuel cell bipolar plate structure.
Background technology
Proton Exchange Membrane Fuel Cells (PEMFC) is a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) chemical energy in fuel being converted into electric energy by chemical reaction, there is the advantage such as high power density, low environment pollution, can move in power supply have broad application prospects at fixed power source, electric motor car, military special type power pack, cause the attention of more and more national and enterprise.At present, all successfully PEMFC is applied on manned bus and car both at home and abroad.
Although the current basis about PEMFC and application study make significant progress, still have suitable distance from commercialization, cost and life-span are key restriction factors.Bipolar plates is one of core component of fuel cell, accounts for 70% ~ 80% of whole battery weight and more than 45% of cost, in the cost controlling whole battery and weight, play very important effect.Therefore, exploitation be easy to realize light-duty, the thin layer bipolar plates of large-scale production for raising pile specific power, reduce pile cost, and then promote PEMFC commercialization tool and have very important significance.
Bipolar plates has isolation and uniform distribution reacting gas, collection also derived current, the functions such as each monocell of connecting.Its material mainly comprises metal material, graphite material and composite material.Because graphite type material has good conductivity and chemical stability, it is the plate material that current PEMFC extensively adopts.But the shortcoming not easily large-scale production such as graphite material is crisp, poor air-tightness, mechanical strength are low and processing charges is high, limits its industrial applications.Compared with graphite material, metal material has high, the good conduction of mechanical strength and heat conductivility, is easy to be processed to thin plate simultaneously, can increases substantially the specific energy of pile, make the bipolar plate material having competitiveness.
Bipolar plates is due to plate material difference, and its design is also not quite similar.Graphite bi-polar plate is normally made up of hydrogen plate and oxygen plate, and the flow field of cooling water is combined to form by the flow field in hydrogen plate and oxygen backboard portion.The flow field degree of depth etc. of cooling water can adopt the mode of machine milling or pressing mold to process as requested and obtain.Thus, the flow resistance of cooling water can control in less scope.When adopting other corrosion resistant thin metal materials, pole plate processing adopts the mechanical technology of punching press to carry out.In order to reduce pile weight, identical with graphite cake, metal double polar plates can adopt the metal plates combine of two, three or more to form.The flow field of the cooling water of two metallic plates is combined by the back side of hydrogen plate and oxygen plate, and the bipolar plates of the metal plates combine of three or more is then have independent cooling agent pole plate.But three and above metal double polar plates compound mode due to quantity of polar plate more, thus the weight and volume of pole plate is comparatively large, and the gravimetric specific power of pile is lower by more than 25% than two pole plate compound modes, and volumetric specific power is low by about 40%.Two pole plate compound modes compared with three and above quantity pole plate compound mode structurally complicated, and difficulty of processing is larger.Because metallic plate adopts Sheet Metal Forming Technology to process, thus the pole plate back side can not form the flow field of cooling water through secondary operations, and the flow field of cooling agent and water conservancy diversion field are made up of the back side runner of two pole plates.Due to the restriction of metal material itself, the groove depth of polar plate flow field generally too deeply (< 0.75mm), particularly can not lead flow field portion.The flow field degree of depth causing each medium of fuel cell is more shallow, and the resistance of medium in each flow field strengthens, and adds the distribution difficulty of medium in flow field and system energy consumption.
Summary of the invention
The object of the present invention is to provide a kind of fuel cell bipolar plate structure, adopt multiple reducing agent pole plate, multiple oxidant pole plate and Multilayer Film Electrode assembly to form above-mentioned fuel cell bipolar plate structure.The cavity that the bipolar plate structure that the present invention designs can reasonably utilize reducing agent pole plate, oxidant pole plate to be formed, for cooling agent provides flowing flow field, can realize cooling agent in two substrate in combination and enter active region; Dexterously cooling agent is introduced water conservancy diversion region runner by cooling agent water conservancy diversion runner simultaneously.And the flow resistance of cooling agent in bipolar plates can be reduced to a great extent, reduce system energy consumption.Fuel cell bipolar plate structure provided by the invention can reduce bipolar plates weight, volume, the energy force density of this raising fuel cell.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of fuel cell bipolar plate structure, this fuel cell bipolar plate structure comprises: multiple reducing agent pole plate, multiple oxidant pole plate and Multilayer Film Electrode assembly;
Multiple described oxidant pole plate and multiple described reducing agent polar plate interval are symmetrical arranged; Wherein, each described oxidant pole plate arranges formation a pair bipolar plate structure with corresponding described reducing agent pole plate symmetrical coupling;
Every layer of described membrane electrode assembly is arranged on the described oxidant pole plate of bipolar plate structure described in a pair and another is between the described reducing agent pole plate of described bipolar plate structure.
Form coolant flow field between often pair of described bipolar plate structure, between each described reducing agent pole plate and corresponding described membrane electrode assembly, form reducing agent runner, between each described oxidant pole plate and corresponding described membrane electrode assembly, form oxidant flow channel.
Each described reducing agent pole plate comprises:
Reducing agent import, reducing agent enters in described reducing agent pole plate by described reducing agent import;
First reducing agent water conservancy diversion region, the one end in described first reducing agent water conservancy diversion region is connected with described reducing agent import;
Reducing agent active reaction region, the other end in described first reducing agent water conservancy diversion region is connected with the one end in described reducing agent active reaction region;
Second reducing agent water conservancy diversion region, described second one end, reducing agent water conservancy diversion region is connected with the other end in described reducing agent active reaction region;
Reducing agent exports, and is connected with the described second reducing agent water conservancy diversion region other end.
Comprise in described first reducing agent water conservancy diversion region:
Multiple first reducing agent water conservancy diversion runner, one end of each described first reducing agent water conservancy diversion runner is connected with described reducing agent import;
Multiple first reducing agent water conservancy diversion runner ridge, multiple described first reducing agent water conservancy diversion runner ridge and multiple described first reducing agent water conservancy diversion runner are spaced setting, and one end of each described first reducing agent water conservancy diversion runner ridge is connected with described reducing agent import;
Comprise in described reducing agent active reaction region:
Multiple second reducing agent water conservancy diversion runner, one end of each described second reducing agent water conservancy diversion runner connects with the other end of corresponding described first reducing agent water conservancy diversion runner;
Multiple 3rd reducing agent water conservancy diversion runner, multiple described 3rd reducing agent water conservancy diversion runner and multiple second reducing agent water conservancy diversion runner are spaced, and one end of each described 3rd reducing agent water conservancy diversion runner connects with the other end of corresponding described first reducing agent water conservancy diversion runner ridge;
Comprise in described second reducing agent water conservancy diversion region:
Multiple 4th reducing agent water conservancy diversion runner, one end of each described 4th reducing agent water conservancy diversion runner connects with the other end of corresponding described second reducing agent water conservancy diversion runner; The other end of each described 4th reducing agent water conservancy diversion runner exports with described reducing agent and is connected;
Multiple second reducing agent water conservancy diversion runner ridge, multiple described second reducing agent water conservancy diversion runner ridge and multiple described 4th reducing agent water conservancy diversion runner are spaced setting, one end of each described second reducing agent water conservancy diversion runner ridge connects with the other end of corresponding described 3rd reducing agent water conservancy diversion runner, and the other end of each described second reducing agent water conservancy diversion runner ridge exports with described reducing agent and is connected.
Reducing agent enters the multiple first reducing agent water conservancy diversion runners in described first reducing agent water conservancy diversion region by described reducing agent import, and flows out to the outlet of described reducing agent respectively by the multiple second reducing agent water conservancy diversion runners in described reducing agent active reaction region, the multiple 4th reducing agent water conservancy diversion runners in described second reducing agent water conservancy diversion region.
Each described oxidant pole plate comprises:
Oxidant inlet, oxidant enters in described oxidant pole plate by described oxidant inlet; This oxidant inlet and described reducing agent import are in the same side of fuel cell bipolar plate structure;
First oxidant water conservancy diversion region, the one end in described first oxidant water conservancy diversion region is connected with described oxidant inlet;
Anti-oxidant active conversion zone, one end of described anti-oxidant active conversion zone is connected with the other end in described first oxidant water conservancy diversion region;
Second oxidant water conservancy diversion region, described second one end, oxidant water conservancy diversion region is connected with the other end of described anti-oxidant active conversion zone;
Oxidant outlet, is connected with the described second oxidant water conservancy diversion region other end.
Comprise in described first oxidant water conservancy diversion region:
Multiple first oxidant water conservancy diversion runner, one end of each described first oxidant water conservancy diversion runner is connected with described oxidant inlet;
Multiple first oxidant water conservancy diversion runner ridge, multiple described first oxidant water conservancy diversion runner ridge and multiple described first oxidant water conservancy diversion runner are spaced setting, and one end of each described first oxidant water conservancy diversion runner ridge is connected with described oxidant inlet; Multiple described first oxidant water conservancy diversion runner ridge intersects composition the 3rd cross-point region respectively with multiple described first reducing agent water conservancy diversion runner ridge;
Comprise in described anti-oxidant active conversion zone:
Multiple second oxidant water conservancy diversion runner, one end of each described second oxidant water conservancy diversion runner connects with the other end of corresponding described first oxidant water conservancy diversion runner;
Multiple 3rd oxidant water conservancy diversion runner, multiple described 3rd oxidant water conservancy diversion runner and multiple second oxidant water conservancy diversion runner are spaced, and one end of each described 3rd oxidant water conservancy diversion runner connects with the other end of corresponding described first oxidant water conservancy diversion runner ridge;
Comprise in described second oxidant water conservancy diversion region:
Multiple 4th oxidant water conservancy diversion runner, one end of each described 4th oxidant water conservancy diversion runner connects with the other end of corresponding described second oxidant water conservancy diversion runner; The other end of each described 4th oxidant water conservancy diversion runner is connected with described oxidant outlet;
Multiple second oxidant water conservancy diversion runner ridge, multiple described second oxidant water conservancy diversion runner ridge and multiple described 4th oxidant water conservancy diversion runner are spaced setting, one end of each described second oxidant water conservancy diversion runner ridge connects with the other end of corresponding described 3rd oxidant water conservancy diversion runner, and the other end of each described second oxidant water conservancy diversion runner ridge is connected with described oxidant outlet.
Oxidant enters the multiple first oxidant water conservancy diversion runners in described first oxidant water conservancy diversion region by described oxidant inlet, and flows out to described oxidant outlet respectively by the multiple second oxidant water conservancy diversion runners in described anti-oxidant active conversion zone, the multiple 4th oxidant water conservancy diversion runners in described second oxidant water conservancy diversion region.
The reducing agent import of the coolant inlet of often pair of described bipolar plate structure and the oxidant inlet of described oxidant pole plate, described reducing agent pole plate is in the same side, and this exports be in the same side to the coolant outlet of described bipolar plate structure and the oxidant outlet of described oxidant pole plate, the reducing agent of described reducing agent pole plate;
Multiple cooling agent water conservancy diversion runner is comprised in often pair of described bipolar plate structure;
Multiple described cooling agent water conservancy diversion runner respectively with multiple described first reducing agent water conservancy diversion runner ridge combined crosswise, and form the first cross-point region at infall;
Multiple described cooling agent water conservancy diversion runner respectively with multiple described first oxidant water conservancy diversion runner ridge combined crosswise, and form the second cross-point region at infall.
After cooling agent enters multiple described cooling agent water conservancy diversion runner from each described coolant inlet, cooling agent enters described reducing agent pole plate, described oxidant pole plate respectively;
When cooling agent enters multiple described first cross-point region along multiple described cooling agent water conservancy diversion runner, cooling agent can enter multiple described first reducing agent water conservancy diversion runner ridge by multiple described first cross-point region;
When cooling agent enters multiple described second cross-point region along multiple described cooling agent water conservancy diversion runner, cooling agent can enter multiple described first oxidant water conservancy diversion runner ridge by multiple described second cross-point region.
After cooling agent enters multiple described first reducing agent water conservancy diversion runner ridge, multiple described first oxidant water conservancy diversion runner ridge respectively; At multiple described 3rd cross-point region place, cooling agent is redistributed, and makes cooling agent again can be assigned to multiple described first reducing agent water conservancy diversion runner ridge, multiple described first oxidant water conservancy diversion runner ridge uniformly, and enters described coolant flow field.
The present invention compared with prior art has the following advantages:
A kind of fuel cell bipolar plate structure disclosed by the invention, adopts multiple reducing agent pole plate, multiple oxidant pole plate and Multilayer Film Electrode assembly to form above-mentioned fuel cell bipolar plate structure.The cavity that the bipolar plate structure that the present invention designs can reasonably utilize reducing agent pole plate, oxidant pole plate to be formed, for cooling agent provides flowing flow field, can realize cooling agent in two substrate in combination and enter active region; Simultaneously dexterously cooling agent is introduced water conservancy diversion region runner by cooling agent water conservancy diversion runner, and utilize the intersection region of the oxidant water conservancy diversion runner ridge of the reducing agent water conservancy diversion runner ridge of reducing agent pole plate and oxidant pole plate to introduce activity to cool reaction zone.And the flow resistance of cooling agent in bipolar plates can be reduced to a great extent, reduce system energy consumption.Fuel cell bipolar plate structure provided by the invention can reduce bipolar plates weight, volume, the energy force density of this raising fuel cell.
Accompanying drawing explanation
Fig. 1 is the overall structure cutaway view of a kind of fuel cell bipolar plate structure of the present invention.
Fig. 2 is the reducing agent pole plate schematic diagram of a kind of fuel cell bipolar plate structure of the present invention.
Fig. 3 is the oxidant pole plate schematic diagram of a kind of fuel cell bipolar plate structure of the present invention.
Fig. 4 is cooling agent water conservancy diversion runner and the reducing agent water conservancy diversion runner intersection region schematic diagram of a kind of fuel cell bipolar plate structure of the present invention.
Fig. 5 is cooling agent water conservancy diversion runner and the oxidant water conservancy diversion runner intersection region schematic diagram of a kind of fuel cell bipolar plate structure of the present invention.
Fig. 6 is reducing agent water conservancy diversion runner and the oxidant water conservancy diversion runner intersection region schematic diagram of a kind of fuel cell bipolar plate structure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 1, a kind of fuel cell bipolar plate structure 100, this fuel cell bipolar plate structure 100 comprises: multiple reducing agent pole plate 2, multiple oxidant pole plate 1 and Multilayer Film Electrode assembly 3.
Multiple oxidant pole plate 1 and multiple reducing agent pole plate 2 interval are symmetrical arranged.Wherein, each oxidant pole plate 1 arranges formation a pair bipolar plate structure 100 with corresponding reducing agent pole plate 2 symmetrical coupling.Every layer membrane electrode assembly 3 is arranged on the oxidant pole plate 1 of a pair bipolar plate structure 100 and another is between the reducing agent pole plate 2 of bipolar plate structure 100.
Form coolant flow field 4 between often pair of bipolar plate structure 100, between each reducing agent pole plate 2 and corresponding membrane electrode assembly 3, form reducing agent runner 21, between each oxidant pole plate 1 and corresponding membrane electrode assembly 3, form oxidant flow channel 11.
As shown in Figure 2, each reducing agent pole plate 2 comprises: reducing agent import 201, first reducing agent water conservancy diversion region 202, reducing agent water conservancy diversion region, reducing agent active reaction region 203, second 204 and reducing agent outlet 205.
Wherein, reducing agent enters in reducing agent pole plate 2 by reducing agent import 201; The one end in the first reducing agent water conservancy diversion region 202 is connected with reducing agent import 201, and the other end in the first reducing agent water conservancy diversion region 202 is connected with the one end in reducing agent active reaction region 203; Second one end, reducing agent water conservancy diversion region 204 is connected with the other end in reducing agent active reaction region 203, and reducing agent outlet 205 is connected with second reducing agent water conservancy diversion region 204 other end.
As shown in Figure 2, comprise in the first reducing agent water conservancy diversion region 202: multiple first reducing agent water conservancy diversion runner 2021, multiple first reducing agent water conservancy diversion runner ridge 2022.
Wherein, one end of each first reducing agent water conservancy diversion runner 2021 is connected with reducing agent import 201; Multiple first reducing agent water conservancy diversion runner ridge 2022 is spaced setting with multiple first reducing agent water conservancy diversion runner 2021, and one end of each first reducing agent water conservancy diversion runner ridge 2022 is connected with reducing agent import 201.
As shown in Figure 2, comprise in reducing agent active reaction region 203: multiple second reducing agent water conservancy diversion runner 2031, multiple 3rd reducing agent water conservancy diversion runner 2032.
Wherein, one end of each second reducing agent water conservancy diversion runner 2031 connects with the other end of the first corresponding reducing agent water conservancy diversion runner 2021; Multiple 3rd reducing agent water conservancy diversion runner 2032 is spaced with multiple second reducing agent water conservancy diversion runner 2031, and one end of each 3rd reducing agent water conservancy diversion runner 2032 connects with the other end of the first corresponding reducing agent water conservancy diversion runner ridge 2022.
As shown in Figure 2, comprise in the second reducing agent water conservancy diversion region 204: multiple 4th reducing agent water conservancy diversion runner 2041, multiple second reducing agent water conservancy diversion runner ridge 2042.
Wherein, one end of each 4th reducing agent water conservancy diversion runner 2041 connects with the other end of the second corresponding reducing agent water conservancy diversion runner 2031; The other end of each 4th reducing agent water conservancy diversion runner 2041 exports 205 with reducing agent and is connected.Multiple second reducing agent water conservancy diversion runner ridge 2042 is spaced setting with multiple 4th reducing agent water conservancy diversion runner 2041, one end of each second reducing agent water conservancy diversion runner ridge 2042 connects with the other end of the 3rd corresponding reducing agent water conservancy diversion runner 2032, and the other end of each second reducing agent water conservancy diversion runner ridge 2042 exports 205 with reducing agent and is connected.
In the present invention, reducing agent enters the multiple first reducing agent water conservancy diversion runners 2021 in the first reducing agent water conservancy diversion region 202 by reducing agent import 201, and flows out to reducing agent outlet 205 respectively by the multiple 4th reducing agent water conservancy diversion runners 2041 in multiple second reducing agent water conservancy diversion runner 2031, the second reducing agent water conservancy diversion regions 204 in reducing agent active reaction region 203.
As shown in Figure 3, each oxidant pole plate 1 comprises: oxidant inlet 101, first oxidant water conservancy diversion region 102, anti-oxidant active conversion zone 103, second oxidant water conservancy diversion region 104 and oxidant outlet 105.
Wherein, oxidant enters in oxidant pole plate 1 by oxidant inlet 101; This oxidant inlet 101 and reducing agent import 201 are in the same side of fuel cell bipolar plate structure 100.The one end in the first oxidant water conservancy diversion region 102 is connected with oxidant inlet 101, and one end of anti-oxidant active conversion zone 103 is connected with the other end in the first oxidant water conservancy diversion region 102; Second one end, oxidant water conservancy diversion region 104 is connected with the other end of anti-oxidant active conversion zone 103; Oxidant outlet 105 is connected with second oxidant water conservancy diversion region 104 other end.
As shown in Figure 3, comprise in the first oxidant water conservancy diversion region 102: multiple first oxidant water conservancy diversion runner 1021, multiple first oxidant water conservancy diversion runner ridge 1022.
Wherein, one end of each first oxidant water conservancy diversion runner 1021 is connected with oxidant inlet 101.Multiple first oxidant water conservancy diversion runner ridge 1022 is spaced setting with multiple first oxidant water conservancy diversion runner 1021, and one end of each first oxidant water conservancy diversion runner ridge 1022 is connected with oxidant inlet 101; Multiple first oxidant water conservancy diversion runner ridge 1022 intersects composition the 3rd cross-point region 150 respectively with multiple first reducing agent water conservancy diversion runner ridge 2022.
As shown in Figure 3, comprise in anti-oxidant active conversion zone 103: multiple second oxidant water conservancy diversion runner 1031, multiple 3rd oxidant water conservancy diversion runner 1032.
Wherein, one end of each second oxidant water conservancy diversion runner 1031 connects with the other end of the first corresponding oxidant water conservancy diversion runner 1021; Multiple 3rd oxidant water conservancy diversion runner 1032 is spaced with multiple second oxidant water conservancy diversion runner 1031, and one end of each 3rd oxidant water conservancy diversion runner 1032 connects with the other end of the first corresponding oxidant water conservancy diversion runner ridge 1022.
As shown in Figure 3, comprise in the second oxidant water conservancy diversion region 104: multiple 4th oxidant water conservancy diversion runner 1041, multiple second oxidant water conservancy diversion runner ridge 1042.
Wherein, one end of each 4th oxidant water conservancy diversion runner 1041 connects with the other end of the second corresponding oxidant water conservancy diversion runner 1031, and the other end of each 4th oxidant water conservancy diversion runner 1041 is connected with oxidant outlet 105.Multiple second oxidant water conservancy diversion runner ridge 1042 is spaced setting with multiple 4th oxidant water conservancy diversion runner 1041, one end of each second oxidant water conservancy diversion runner ridge 1042 connects with the other end of the 3rd corresponding oxidant water conservancy diversion runner 1032, and the other end of each second oxidant water conservancy diversion runner ridge 1042 is connected with oxidant outlet 105.
Oxidant enters the multiple first oxidant water conservancy diversion runners 1021 in the first oxidant water conservancy diversion region 102 by oxidant inlet 101, and flows out to oxidant outlet 105 respectively by the multiple 4th oxidant water conservancy diversion runners 1041 in multiple second oxidant water conservancy diversion runner 1031, the second oxidant water conservancy diversion regions 104 in anti-oxidant active conversion zone 103.
As shown in Figure 2 and Figure 3, the reducing agent import 201 of the coolant inlet 401 of often pair of bipolar plate structure 100 and the oxidant inlet 101 of oxidant pole plate 1, reducing agent pole plate 2 is in the same side, and this exports 205 to the coolant outlet 402 of bipolar plate structure 100 and the oxidant outlet 105 of oxidant pole plate 1, the reducing agent of reducing agent pole plate 2 and is in the same side.
As shown in Figure 4, Figure 5, multiple cooling agent water conservancy diversion runner 110 is comprised in often pair of bipolar plate structure 100.Multiple cooling agent water conservancy diversion runner 110 respectively with multiple first reducing agent water conservancy diversion runner ridge 2022 combined crosswise, and form the first cross-point region 130 at infall.Multiple cooling agent water conservancy diversion runner 110 respectively with multiple first oxidant water conservancy diversion runner ridge 1022 combined crosswise, and form the second cross-point region 140 at infall.
As Figure 4-Figure 6, the specific works principle of a kind of fuel cell bipolar plate structure disclosed by the invention is as follows:
The flow process of reducing agent in reducing agent pole plate 2 is: the multiple first reducing agent water conservancy diversion runners 2021 of reducing agent in the first reducing agent water conservancy diversion region 202 enter multiple second reducing agent water conservancy diversion runners 2031 in reducing agent active reaction region 203, and the multiple 4th reducing agent water conservancy diversion runners 2041 through the second reducing agent water conservancy diversion region 204 are flowed out by reducing agent outlet 205.The flow process of oxidant in oxidant pole plate 1 is: the multiple first oxidant water conservancy diversion runners 1021 of oxidant in the first oxidant water conservancy diversion region 102 enter the multiple second oxidant water conservancy diversion runners 1031 in anti-oxidant active conversion zone 103, and the multiple 4th oxidant water conservancy diversion runners 1041 in the second oxidant water conservancy diversion region 104 are flowed out by oxidant outlet 105.
After cooling agent enters multiple cooling agent water conservancy diversion runner 110 from each coolant inlet 401, cooling agent enters reducing agent pole plate 2, oxidant pole plate 1 respectively.
When cooling agent enters along multiple cooling agent water conservancy diversion runner 110 multiple first cross-point region 130 that multiple first reducing agent water conservancy diversion runner ridges 2022 are formed with multiple cooling agent water conservancy diversion runner 110, portion cooling agent can enter multiple first reducing agent water conservancy diversion runner ridge 2022 by multiple first cross-point region 130, and remainder cooling agent branches to multiple cooling agent water conservancy diversion runner 110.When cooling agent enters along multiple cooling agent water conservancy diversion runner 110 multiple second cross-point region 140 that multiple first oxidant water conservancy diversion runner ridges 1022 are formed with multiple cooling agent water conservancy diversion runner 110, portion cooling agent can enter multiple first oxidant water conservancy diversion runner ridge 1022 by multiple second cross-point region 140, and remainder cooling agent branches to multiple cooling agent water conservancy diversion runner 110.
After cooling agent enters multiple first reducing agent water conservancy diversion runner ridge 2022, multiple first oxidant water conservancy diversion runner ridge 1022 respectively; At multiple 3rd cross-point region 150 place, cooling agent is redistributed, after cooling agent can be distributed again uniformly, portion cooling agent is diverted to multiple first reducing agent water conservancy diversion runner ridge 2022, residue cooling agent is diverted to multiple first oxidant water conservancy diversion runner ridge 1022, and the distribution that cooling agent is distributed in runner at each is more even.Finally, cooling agent enters coolant flow field 4.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a fuel cell bipolar plate structure, is characterized in that, this fuel cell bipolar plate structure comprises: multiple reducing agent pole plate, multiple oxidant pole plate and Multilayer Film Electrode assembly;
Multiple described oxidant pole plate and multiple described reducing agent polar plate interval are symmetrical arranged; Wherein, each described oxidant pole plate arranges formation a pair bipolar plate structure with corresponding described reducing agent pole plate symmetrical coupling;
Every layer of described membrane electrode assembly is arranged on the described oxidant pole plate of bipolar plate structure described in a pair and another is between the described reducing agent pole plate of described bipolar plate structure.
2. as claim 1 fuel cell bipolar plate structure, it is characterized in that, coolant flow field is formed between often pair of described bipolar plate structure, form reducing agent runner between each described reducing agent pole plate and corresponding described membrane electrode assembly, between each described oxidant pole plate and corresponding described membrane electrode assembly, form oxidant flow channel.
3. as claim 2 fuel cell bipolar plate structure, it is characterized in that, each described reducing agent pole plate comprises:
Reducing agent import, reducing agent enters in described reducing agent pole plate by described reducing agent import;
First reducing agent water conservancy diversion region, the one end in described first reducing agent water conservancy diversion region is connected with described reducing agent import;
Reducing agent active reaction region, the other end in described first reducing agent water conservancy diversion region is connected with the one end in described reducing agent active reaction region;
Second reducing agent water conservancy diversion region, described second one end, reducing agent water conservancy diversion region is connected with the other end in described reducing agent active reaction region;
Reducing agent exports, and is connected with the described second reducing agent water conservancy diversion region other end.
4., as claim 3 fuel cell bipolar plate structure, it is characterized in that,
Comprise in described first reducing agent water conservancy diversion region:
Multiple first reducing agent water conservancy diversion runner, one end of each described first reducing agent water conservancy diversion runner is connected with described reducing agent import;
Multiple first reducing agent water conservancy diversion runner ridge, multiple described first reducing agent water conservancy diversion runner ridge and multiple described first reducing agent water conservancy diversion runner are spaced setting, and one end of each described first reducing agent water conservancy diversion runner ridge is connected with described reducing agent import;
Comprise in described reducing agent active reaction region:
Multiple second reducing agent water conservancy diversion runner, one end of each described second reducing agent water conservancy diversion runner connects with the other end of corresponding described first reducing agent water conservancy diversion runner;
Multiple 3rd reducing agent water conservancy diversion runner, multiple described 3rd reducing agent water conservancy diversion runner and multiple second reducing agent water conservancy diversion runner are spaced, and one end of each described 3rd reducing agent water conservancy diversion runner connects with the other end of corresponding described first reducing agent water conservancy diversion runner ridge;
Comprise in described second reducing agent water conservancy diversion region:
Multiple 4th reducing agent water conservancy diversion runner, one end of each described 4th reducing agent water conservancy diversion runner connects with the other end of corresponding described second reducing agent water conservancy diversion runner; The other end of each described 4th reducing agent water conservancy diversion runner exports with described reducing agent and is connected;
Multiple second reducing agent water conservancy diversion runner ridge, multiple described second reducing agent water conservancy diversion runner ridge and multiple described 4th reducing agent water conservancy diversion runner are spaced setting, one end of each described second reducing agent water conservancy diversion runner ridge connects with the other end of corresponding described 3rd reducing agent water conservancy diversion runner, and the other end of each described second reducing agent water conservancy diversion runner ridge exports with described reducing agent and is connected;
Reducing agent enters the multiple first reducing agent water conservancy diversion runners in described first reducing agent water conservancy diversion region by described reducing agent import, and flows out to the outlet of described reducing agent respectively by the multiple second reducing agent water conservancy diversion runners in described reducing agent active reaction region, the multiple 4th reducing agent water conservancy diversion runners in described second reducing agent water conservancy diversion region.
5. as claim 4 fuel cell bipolar plate structure, it is characterized in that, each described oxidant pole plate comprises:
Oxidant inlet, oxidant enters in described oxidant pole plate by described oxidant inlet; This oxidant inlet and described reducing agent import are in the same side of fuel cell bipolar plate structure;
First oxidant water conservancy diversion region, the one end in described first oxidant water conservancy diversion region is connected with described oxidant inlet;
Anti-oxidant active conversion zone, one end of described anti-oxidant active conversion zone is connected with the other end in described first oxidant water conservancy diversion region;
Second oxidant water conservancy diversion region, described second one end, oxidant water conservancy diversion region is connected with the other end of described anti-oxidant active conversion zone;
Oxidant outlet, is connected with the described second oxidant water conservancy diversion region other end.
6., as claim 5 fuel cell bipolar plate structure, it is characterized in that,
Comprise in described first oxidant water conservancy diversion region:
Multiple first oxidant water conservancy diversion runner, one end of each described first oxidant water conservancy diversion runner is connected with described oxidant inlet;
Multiple first oxidant water conservancy diversion runner ridge, multiple described first oxidant water conservancy diversion runner ridge and multiple described first oxidant water conservancy diversion runner are spaced setting, and one end of each described first oxidant water conservancy diversion runner ridge is connected with described oxidant inlet; Multiple described first oxidant water conservancy diversion runner ridge intersects composition the 3rd cross-point region respectively with multiple described first reducing agent water conservancy diversion runner ridge;
Comprise in described anti-oxidant active conversion zone:
Multiple second oxidant water conservancy diversion runner, one end of each described second oxidant water conservancy diversion runner connects with the other end of corresponding described first oxidant water conservancy diversion runner;
Multiple 3rd oxidant water conservancy diversion runner, multiple described 3rd oxidant water conservancy diversion runner and multiple second oxidant water conservancy diversion runner are spaced, and one end of each described 3rd oxidant water conservancy diversion runner connects with the other end of corresponding described first oxidant water conservancy diversion runner ridge;
Comprise in described second oxidant water conservancy diversion region:
Multiple 4th oxidant water conservancy diversion runner, one end of each described 4th oxidant water conservancy diversion runner connects with the other end of corresponding described second oxidant water conservancy diversion runner; The other end of each described 4th oxidant water conservancy diversion runner is connected with described oxidant outlet;
Multiple second oxidant water conservancy diversion runner ridge, multiple described second oxidant water conservancy diversion runner ridge and multiple described 4th oxidant water conservancy diversion runner are spaced setting, one end of each described second oxidant water conservancy diversion runner ridge connects with the other end of corresponding described 3rd oxidant water conservancy diversion runner, and the other end of each described second oxidant water conservancy diversion runner ridge is connected with described oxidant outlet;
Oxidant enters the multiple first oxidant water conservancy diversion runners in described first oxidant water conservancy diversion region by described oxidant inlet, and flows out to described oxidant outlet respectively by the multiple second oxidant water conservancy diversion runners in described anti-oxidant active conversion zone, the multiple 4th oxidant water conservancy diversion runners in described second oxidant water conservancy diversion region.
7. as claim 6 fuel cell bipolar plate structure, it is characterized in that, the reducing agent import of the coolant inlet of often pair of described bipolar plate structure and the oxidant inlet of described oxidant pole plate, described reducing agent pole plate is in the same side, and this exports be in the same side to the coolant outlet of described bipolar plate structure and the oxidant outlet of described oxidant pole plate, the reducing agent of described reducing agent pole plate;
Multiple cooling agent water conservancy diversion runner is comprised in often pair of described bipolar plate structure;
Multiple described cooling agent water conservancy diversion runner respectively with multiple described first reducing agent water conservancy diversion runner ridge combined crosswise, and form the first cross-point region at infall;
Multiple described cooling agent water conservancy diversion runner respectively with multiple described first oxidant water conservancy diversion runner ridge combined crosswise, and form the second cross-point region at infall.
8., as claim 7 fuel cell bipolar plate structure, it is characterized in that,
After cooling agent enters multiple described cooling agent water conservancy diversion runner from each described coolant inlet, cooling agent enters described reducing agent pole plate, described oxidant pole plate respectively;
When cooling agent enters multiple described first cross-point region along multiple described cooling agent water conservancy diversion runner, cooling agent can enter multiple described first reducing agent water conservancy diversion runner ridge by multiple described first cross-point region;
When cooling agent enters multiple described second cross-point region along multiple described cooling agent water conservancy diversion runner, cooling agent can enter multiple described first oxidant water conservancy diversion runner ridge by multiple described second cross-point region.
9. as claim 8 fuel cell bipolar plate structure, it is characterized in that, after cooling agent enters multiple described first reducing agent water conservancy diversion runner ridge, multiple described first oxidant water conservancy diversion runner ridge respectively; At multiple described 3rd cross-point region place, cooling agent is redistributed, and makes cooling agent again can be assigned to multiple described first reducing agent water conservancy diversion runner ridge, multiple described first oxidant water conservancy diversion runner ridge uniformly, and enters described coolant flow field.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767288A (en) * | 2018-06-11 | 2018-11-06 | 西安交通大学 | A kind of tree-like fuel cell channel structure of variable cross-section |
| CN109687001A (en) * | 2017-10-18 | 2019-04-26 | 熵零技术逻辑工程院集团股份有限公司 | A kind of fuel cell |
| CN110767919A (en) * | 2019-12-26 | 2020-02-07 | 武汉中极氢能产业创新中心有限公司 | Bipolar plate of fuel cell and fuel cell |
| CN111900429A (en) * | 2020-07-24 | 2020-11-06 | 浙江泓林新能源科技有限公司 | Metal bipolar plate of fuel cell and processing method thereof |
| CN114551922A (en) * | 2022-03-02 | 2022-05-27 | 重庆理工大学 | Fuel cell bipolar plate structure and fuel cell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050244700A1 (en) * | 2004-05-03 | 2005-11-03 | Abd Elhamid Mahmoud H | Hybrid bipolar plate assembly and devices incorporating same |
| CN101420037A (en) * | 2008-12-10 | 2009-04-29 | 新源动力股份有限公司 | Metal bipolar plate for proton exchange membrane fuel cell |
| CN101572318A (en) * | 2009-06-16 | 2009-11-04 | 新源动力股份有限公司 | Proton exchange membrane fuel cell metal bipolar plate |
| CN106134491B (en) * | 2004-04-07 | 2011-01-12 | 上海空间电源研究所 | Proton Exchange Membrane Fuel Cells novel metal bipolar plates |
| CN203760565U (en) * | 2014-02-18 | 2014-08-06 | 武汉理工大学 | Metal bipolar plate of proton exchange membrane fuel battery |
-
2015
- 2015-11-24 CN CN201510820686.3A patent/CN105336967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106134491B (en) * | 2004-04-07 | 2011-01-12 | 上海空间电源研究所 | Proton Exchange Membrane Fuel Cells novel metal bipolar plates |
| US20050244700A1 (en) * | 2004-05-03 | 2005-11-03 | Abd Elhamid Mahmoud H | Hybrid bipolar plate assembly and devices incorporating same |
| CN101420037A (en) * | 2008-12-10 | 2009-04-29 | 新源动力股份有限公司 | Metal bipolar plate for proton exchange membrane fuel cell |
| CN101572318A (en) * | 2009-06-16 | 2009-11-04 | 新源动力股份有限公司 | Proton exchange membrane fuel cell metal bipolar plate |
| CN203760565U (en) * | 2014-02-18 | 2014-08-06 | 武汉理工大学 | Metal bipolar plate of proton exchange membrane fuel battery |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687001A (en) * | 2017-10-18 | 2019-04-26 | 熵零技术逻辑工程院集团股份有限公司 | A kind of fuel cell |
| CN108767288A (en) * | 2018-06-11 | 2018-11-06 | 西安交通大学 | A kind of tree-like fuel cell channel structure of variable cross-section |
| CN110767919A (en) * | 2019-12-26 | 2020-02-07 | 武汉中极氢能产业创新中心有限公司 | Bipolar plate of fuel cell and fuel cell |
| CN110767919B (en) * | 2019-12-26 | 2020-04-10 | 武汉中极氢能产业创新中心有限公司 | Bipolar plate of fuel cell and fuel cell |
| CN111900429A (en) * | 2020-07-24 | 2020-11-06 | 浙江泓林新能源科技有限公司 | Metal bipolar plate of fuel cell and processing method thereof |
| CN111900429B (en) * | 2020-07-24 | 2021-11-05 | 浙江泓林新能源科技有限公司 | Metal bipolar plate of fuel cell and processing method thereof |
| CN114551922A (en) * | 2022-03-02 | 2022-05-27 | 重庆理工大学 | Fuel cell bipolar plate structure and fuel cell |
| CN114551922B (en) * | 2022-03-02 | 2024-02-20 | 重庆理工大学 | Fuel cell bipolar plate structure and fuel cell |
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