CN110444785A - Dual polar plates of proton exchange membrane fuel cell, battery and battery pile - Google Patents
Dual polar plates of proton exchange membrane fuel cell, battery and battery pile Download PDFInfo
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- CN110444785A CN110444785A CN201910815685.8A CN201910815685A CN110444785A CN 110444785 A CN110444785 A CN 110444785A CN 201910815685 A CN201910815685 A CN 201910815685A CN 110444785 A CN110444785 A CN 110444785A
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- plate
- proton exchange
- exchange membrane
- groove
- fuel cell
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- 239000000446 fuel Substances 0.000 title claims abstract description 44
- 239000012528 membrane Substances 0.000 title claims abstract description 39
- 230000009977 dual effect Effects 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 64
- 239000002737 fuel gas Substances 0.000 claims abstract description 48
- 239000007800 oxidant agent Substances 0.000 claims abstract description 48
- 230000001590 oxidative effect Effects 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H01M8/023—Porous and characterised by the material
- H01M8/0232—Metals or alloys
-
- 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
- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
-
- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
-
- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
-
- 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
Abstract
The present invention relates to field of fuel cell technology, more particularly, to a kind of dual polar plates of proton exchange membrane fuel cell, battery and battery pile；Including pressing in the anode plate and cathode plate of one；It is opened up in the plate face of anode plate and cathode plate fluted；Fuel gas inlet, fuel gas outlet, oxidant gas inlet ports, oxidant gas outlet and discharge outlet are offered in anode plate and cathode plate；Wherein, the fuel gas inlet on anode plate and fuel gas outlet are connected to the groove on anode plate；Oxidant gas inlet ports and oxidant gas outlet on cathode plate are connected to the groove on cathode plate, and porous three-dimensional substrate filling block is filled in each groove；It is relatively thin to solve existing bipolar plates by the structure design of dual polar plates of proton exchange membrane fuel cell, open up groove, and gas flow is set in groove in bipolar plates, processing technology is complicated, it is unfavorable for the diffusion of gas, while the design of runner simultaneously, is unfavorable for the timely discharge technical problem of water.
Description
Technical field
The present invention relates to field of fuel cell technology, more particularly, to a kind of dual polar plates of proton exchange membrane fuel cell, electricity
Pond and battery pile.
Background technique
Fuel cell is a kind of device that the chemical energy of hydrogen and oxygen is converted into electric energy by electrode reaction.Fuel electricity
Pond is usually made of multiple battery units, and each battery unit includes two electrodes (anode and cathode), and two electrodes are electrolysed
Matter element separates, and assembles in series with each other, forms fuel cell pack.By supplying reactant appropriate to each electrode,
That is another supply oxidant to an electrode supply fuel, realizes electrochemical reaction, to form current potential between the electrodes
Difference, and therefore produce electricl energy.
It is typically provided three into three in bipolar plates to portal, six Kong Jun are by into and out of fluid channel and intermediate reaction region
Gas flow connection, gas are reacted by leading into and out of fluid course yin into fluid in MEA surface after entering battery pile.It is existing
Some bipolar plates offer gas flow, however, in order to reduce the conduction resistance to electric current and heat, relatively thin, the In of bipolar plates
Groove is opened up in bipolar plates, and gas flow is set in groove, and processing technology is complicated, while being unfavorable for the diffusion of gas, drops
Low reaction rate, while the design of runner are unfavorable for the timely discharge of water.
Therefore, the present invention is badly in need of providing a kind of dual polar plates of proton exchange membrane fuel cell, battery and electricity regarding to the issue above
Chi Dui.
Summary of the invention
The purpose of the present invention is to provide a kind of dual polar plates of proton exchange membrane fuel cell, battery and battery piles, pass through matter
The structure design of proton exchange film fuel cell bipolar plates is relatively thin to solve bipolar plates existing in the prior art, opens in bipolar plates
If groove, and gas flow is set in groove, processing technology is complicated, while being unfavorable for the diffusion of gas, reaction rate is reduced,
The design of runner simultaneously, the technical issues of being unfavorable for the timely discharge of water.
A kind of dual polar plates of proton exchange membrane fuel cell provided by the invention, including pressing in the anode plate and cathode of one
Plate；It is opened up in the plate face of anode plate and cathode plate fluted；Fuel gas inlet, combustion are offered in anode plate and cathode plate
Expect gas vent, oxidant gas inlet ports, oxidant gas outlet and discharge outlet；Wherein, the fuel gas inlet on anode plate
It is connected to the groove on anode plate with fuel gas outlet；Oxidant gas inlet ports and oxidant gas outlet on cathode plate
It is connected to the groove on cathode plate, porous three-dimensional substrate filling block is filled in each groove.
Preferably, the interior bottom of groove is arranged in plane.
Preferably, the depth of groove is 0.05mm-1mm.
Preferably, porous three-dimensional substrate filling block is porous nickel screen.
Preferably, the porosity of porous three-dimensional substrate filling block is 85%-98%.
Preferably, porous three-dimensional substrate filling block with a thickness of 0.05mm-1mm.
Preferably, it is all provided with fluted on the outer plate surface of anode plate and inner plate surface, the outer plate surface of cathode plate is equipped with groove.
The invention also includes a proton exchanging film fuel batteries, including multiple arranged side by side such as any one of above-mentioned institute
Proton exchange membrane is equipped between adjacent two dual polar plates of proton exchange membrane fuel cell of the dual polar plates of proton exchange membrane fuel cell stated.
The invention also includes a kind of battery pile, the left side plate and right end plate being oppositely arranged including two, left side plate and right end plate
Between be equipped with multiple Proton Exchange Membrane Fuel Cells as described above stacked.
Preferably, left side plate is successively arranged and the oxidant gas input port of left side plate perforation, water input from top to bottom
With fuel gas input port, right end plate is equipped with the fuel gas delivery outlet penetrated through with right end plate, water output and oxidant gas
Body delivery outlet.
A kind of dual polar plates of proton exchange membrane fuel cell, battery and battery pile provided by the invention have compared with prior art
There is following progress:
1, the present invention is by pressing in the anode plate and cathode plate of one；It is offered in the plate face of anode plate and cathode plate
Groove；Fuel gas inlet, fuel gas outlet, oxidant gas inlet ports, oxidant are offered in anode plate and cathode plate
Gas vent and discharge outlet；Wherein, the fuel gas inlet on anode plate and fuel gas outlet with the groove on anode plate
Connection；Oxidant gas inlet ports and oxidant gas outlet on cathode plate are connected to the groove on cathode plate, in each groove
Filled with porous three-dimensional substrate filling block；Porous three-dimensional substrate filling block is porous nickel screen；The interior bottom of groove is arranged in plane
Design, groove is filled using the porous three-dimensional substrate filling block of high porosity, gas flow is no longer set in groove, is filled only with
Have porous three-dimensional substrate filling block, while guaranteeing that the interior bottom of groove is arranged in plane so that porous three-dimensional substrate filling block with
Groove ground fits closely, when fuel gas and oxidant gas enter in corresponding groove from anode plate and cathode plate respectively,
Fuel gas and oxidant gas are spread in corresponding porous three-dimensional substrate filling block respectively, guarantee fuel gas and oxidant gas
The uniformity of the diffusion of body, to guarantee the stability that fuel gas and oxidant gas react；The design of discharge outlet has
Conducive to the discharge for producing water in reaction process；The framework of three-dimensional runner can be thus achieved by the groove that porous nickel screen is filled, it can be with
Remove from and open up runner in anode plate and cathode plate, reduces the difficulty and cost of processing.
2, the depth of the groove in the present invention is 0.05mm-1mm；The depth of the preferred groove of the present embodiment is 1mm；It is porous
Three-dimensional substrates filling block with a thickness of 0.05mm-1mm；The preferred porous three-dimensional substrate filling block of the present embodiment with a thickness of 1mm,
Facilitate processing, it is easy for installation, while guaranteeing effective diffusion to gas.
3, the porosity of porous three-dimensional substrate filling block is 85%-98% in the present invention；Guarantee the compactness in hole, guarantee pair
Effective diffusion of gas.
4, the present invention is fluted by being all provided in the outer plate surface of anode plate and inner plate surface, and the outer plate surface of cathode plate is equipped with groove
Design, be further ensured that fuel gas diffusion uniformity, guarantee fuel gas and oxidant reactant gas uniformity, from
And guarantee the supply of stablizing of electricity, guarantee the safety of running car.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram (front sectional view) of heretofore described dual polar plates of proton exchange membrane fuel cell；
Fig. 2 is the structural schematic diagram (perspective view) of anode plate of the present invention；
Fig. 3 is the structural schematic diagram (front sectional view) of heretofore described battery；
Fig. 4 is the structural schematic diagram (front sectional view) of heretofore described battery pile.
Description of symbols:
1, anode plate；2, cathode plate；3, groove；4, fuel gas inlet；5, fuel gas outlet；6, oxidant gas enters
Mouthful；7, oxidant gas outlet；9, porous three-dimensional substrate filling block；8, discharge outlet；10, proton exchange membrane；11, oxidant gas
Input port；12, water input；13, fuel gas input port；14, left side plate；15, right end plate；16, fuel gas delivery outlet；
17, water output；18, oxidant gas delivery outlet；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, a kind of dual polar plates of proton exchange membrane fuel cell provided in the present embodiment, including press in one
Anode plate 1 and cathode plate 2；Fluted 3 are opened up in the plate face of anode plate 1 and cathode plate 2；On anode plate 1 and cathode plate 2
Offer fuel gas inlet 4, fuel gas outlet 5, oxidant gas inlet ports 6, oxidant gas outlet 7 and discharge outlet 8；Its
In, fuel gas inlet 4 and fuel gas outlet 5 on anode plate 1 are connected to the groove 3 on anode plate 1；On cathode plate 2
Oxidant gas inlet ports 6 and oxidant gas outlet 7 be connected to the groove 3 on cathode plate 2, filled with more in each groove 3
Hole three-dimensional substrates filling block 9；Porous three-dimensional substrate filling block is porous nickel screen；The interior bottom of groove 2 is arranged in plane.
The present invention, which passes through, presses in the anode plate 1 and cathode plate 2 of one；It is opened up in the plate face of anode plate 1 and cathode plate 2
Fluted 3；Fuel gas inlet 4, fuel gas outlet 5, oxidant gas inlet ports are offered on anode plate 1 and cathode plate 2
6, oxidant gas outlet 7 and discharge outlet 8；Wherein, the fuel gas inlet 4 on anode plate 1 and fuel gas outlet 5 with sun
Groove 3 on pole plate 1 is connected to；Oxidant gas inlet ports 6 and oxidant gas outlet 7 on cathode plate 2 are and on cathode plate 2
Groove 3 is connected to, and is filled with porous three-dimensional substrate filling block 9 in each groove 3；Porous three-dimensional substrate filling block is porous nickel screen；It is recessed
The interior bottom of slot 3 is in the design of plane setting, fills groove 3, groove 3 using the porous three-dimensional substrate filling block 9 of high porosity
Gas flow is inside no longer set, has been filled only with porous three-dimensional substrate filling block, while guaranteeing that the interior bottom of groove 2 is set in plane
It sets, so that porous three-dimensional substrate filling block is fitted closely with 3 ground of groove, when fuel gas and oxidant gas are respectively from anode
Plate 1 and cathode plate 2 enter in corresponding groove 3, and fuel gas and oxidant gas are respectively in corresponding porous three-dimensional substrate filling
Diffusion in block 9, guarantees the uniformity of the diffusion of fuel gas and oxidant gas, to guarantee fuel gas and oxidant gas
The stability to react；The design of discharge outlet 8 is conducive to the discharge that water is produced in reaction process；It is filled by porous nickel screen recessed
The framework of three-dimensional runner can be thus achieved in slot 3, can remove from and open up runner in anode plate and cathode plate, reduces the difficulty of processing
And cost.
Present invention focuses on porous three-dimensional substrate filling block 9 is filled in groove 3, so that constituting three-dimensional flow in groove 3
Field structure, guarantees the diffusion of stablizing of gas, diffusion it is more uniform, guarantee the fluency for entering reaction zone, without in groove 3
Portion opens up runner, and runner processing is complicated, influences the rigidity of cathode plate or anode plate, and thus the present invention fills more in groove 3
Hole three-dimensional substrates filling block 9 design, greatly reduce the production difficulty of anode plate and cathode plate, at the same guarantee reaction stabilization into
Row, guarantees to provide stable power for automobile；9 peripheral wall of porous three-dimensional substrate filling block is fitted closely with 3 inner wall of groove, guarantees three
Tie up the accuracy of the design of flow field structure.
The depth of groove 3 in the present invention is 0.05mm-1mm；The depth of the preferred groove 3 of the present embodiment is 1mm；It is porous
Three-dimensional substrates filling block 9 with a thickness of 0.05mm-1mm；The preferred porous three-dimensional substrate filling block 9 of the present embodiment with a thickness of
1mm facilitates processing, easy for installation, while guaranteeing effective diffusion to gas.
The porosity of porous three-dimensional substrate filling block 9 is 85%-98% in the present invention；Guarantee the compactness in hole, guarantee pair
Effective diffusion of gas.
As shown in Figure 1, fluted 3 are all provided in the outer plate surface and inner plate surface of the anode plate 1 in the present embodiment, cathode plate 2
Outer plate surface is equipped with groove 3.
Fluted 3 are all provided in the outer plate surface and inner plate surface that the present invention passes through anode plate 1, the outer plate surface of cathode plate 2 is equipped with recessed
The design of slot 3 is further ensured that the uniformity of fuel gas diffusion, guarantees the uniform of fuel gas and oxidant reactant gas
Property, to guarantee the supply of stablizing of electricity, guarantee the safety of running car.
The invention also includes a proton exchanging film fuel batteries, including multiple arranged side by side such as any one of above-mentioned institute
Proton exchange membrane 10 is equipped between adjacent two dual polar plates of proton exchange membrane fuel cell of the dual polar plates of proton exchange membrane fuel cell stated.
As shown in figure 4, the invention also includes a kind of battery pile, the left side plate 14 and right end plate 15 being oppositely arranged including two,
Multiple Proton Exchange Membrane Fuel Cells as described above stacked are equipped between left side plate 14 and right end plate 15；Left side plate 14 is from upper
Oxidant gas input port 11, water input 12 and the fuel gas input port 13 penetrated through with left side plate 14 is successively arranged under,
Right end plate 15 is equipped with the fuel gas delivery outlet 16 penetrated through with right end plate 15, water output 17 and oxidant gas delivery outlet
18。
The preparation process of dual polar plates of proton exchange membrane fuel cell are as follows:
Groove 3 is opened up in the outer plate surface and inside plate face of anode plate 1, opens up groove in the outer plate surface of cathode plate 2
3, by the groove in the outer plate surface of groove and cathode plate 2 on the inner plate surface of groove, anode plate 1 in the outer plate surface of anode plate 1
Porous three-dimensional substrate filling block 9 is inside filled, will be filled with the inner plate surface and yin of the anode plate 1 of porous three-dimensional substrate filling block 9
2 inner plate surface of pole plate is close to composition bipolar plates.
The preparation process of Proton Exchange Membrane Fuel Cells are as follows: put two dual polar plates of proton exchange membrane fuel cell in parallel
It sets, places proton exchange membrane 10, pinched composition Proton Exchange Membrane Fuel Cells in two dual polar plates of proton exchange membrane fuel cell.
The preparation process of battery pile are as follows: multiple Proton Exchange Membrane Fuel Cells are stacked in one, place end plate in two sides,
Pinched composition battery pile.
The course of work of battery pile: hydrogen is inputted from the fuel gas input port 13 of left side plate 14, by oxygen from left end
Oxidant gas delivery outlet 11 on plate 14 inputs, and hydrogen enters groove 3 from the fuel gas inlet 4 on anode plate 1, porous
Three-dimensional substrates filling block 9 flowing diffusion, it is therefore an objective to realize spread after hydrogen enters reaction zone it is more uniform, after diffusion, hydrogen
Proton exchange membrane 10 is entered from fuel gas outlet 5；Oxygen enters groove from the oxidant gas inlet ports 6 on cathode plate 2, into
Enter the porous three-dimensional substrate filling block 9 in 2 groove 3 of cathode plate, flow and spread in porous three-dimensional substrate filling block 9, it is therefore an objective to is real
Existing oxygen, which enters after reaction zone, to spread more uniform, and oxygen enters proton exchange membrane 10 from oxidant gas outlet 7 after diffusion
It is reacted with hydrogen, the water for reacting production is successively discharged from discharge outlet 8 and water output 17.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of dual polar plates of proton exchange membrane fuel cell, it is characterised in that: including pressing in the anode plate (1) and cathode of one
Plate (2)；Fluted (3) are opened up in the plate face of anode plate (1) and cathode plate (2)；It is opened on anode plate (1) and cathode plate (2)
Equipped with fuel gas inlet (4), fuel gas outlet (5), oxidant gas inlet ports (6), oxidant gas outlet (7) and draining
Mouth (8)；Wherein, the fuel gas inlet (4) on anode plate (1) and fuel gas outlet (5) with the groove on anode plate (1)
(3) it is connected to；Oxidant gas inlet ports (6) and oxidant gas outlet (7) on cathode plate (2) with it is recessed on cathode plate (2)
Slot (3) connection, each groove (3) is interior to be filled with porous three-dimensional substrate filling block (9).
2. dual polar plates of proton exchange membrane fuel cell according to claim 1, it is characterised in that: the interior bottom of groove (3) is in
Plane setting.
3. dual polar plates of proton exchange membrane fuel cell according to claim 2, it is characterised in that: the depth of groove (3) is
0.05mm-1mm。
4. dual polar plates of proton exchange membrane fuel cell described in any one of -3 according to claim 1, it is characterised in that: porous three-dimensional
Substrate filling block (9) is porous nickel screen.
5. dual polar plates of proton exchange membrane fuel cell according to claim 4, it is characterised in that: porous three-dimensional substrate filling block
(9) porosity is 85%-98%.
6. dual polar plates of proton exchange membrane fuel cell according to claim 5, it is characterised in that: porous three-dimensional substrate filling block
(9) with a thickness of 0.05mm-1mm.
7. dual polar plates of proton exchange membrane fuel cell according to claim 6, it is characterised in that: the outer plate surface of anode plate (1)
Be all provided on inner plate surface fluted (3), the outer plate surface of cathode plate (2) is equipped with groove (3).
8. a proton exchanging film fuel battery, it is characterised in that: including multiple arranged side by side as any in claim 1-7
Proton exchange is equipped between adjacent two dual polar plates of proton exchange membrane fuel cell of dual polar plates of proton exchange membrane fuel cell described in
Film (10).
9. a kind of battery pile, it is characterised in that: the left side plate (14) and right end plate (15) being oppositely arranged including two, left side plate (14)
Multiple Proton Exchange Membrane Fuel Cells as claimed in claim 8 stacked are equipped between right end plate (15).
10. fuel cell pack according to claim 9, it is characterised in that: left side plate (14) be successively arranged from top to bottom with
Oxidant gas input port (11), water input (12) and fuel gas input port (13) of left side plate (14) perforation, right end plate
(15) the fuel gas delivery outlet (16) penetrated through with right end plate (15), water output (17) and oxidant gas delivery outlet are equipped with
(18)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910815685.8A CN110444785A (en) | 2019-08-30 | 2019-08-30 | Dual polar plates of proton exchange membrane fuel cell, battery and battery pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910815685.8A CN110444785A (en) | 2019-08-30 | 2019-08-30 | Dual polar plates of proton exchange membrane fuel cell, battery and battery pile |
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| Publication Number | Publication Date |
|---|---|
| CN110444785A true CN110444785A (en) | 2019-11-12 |
Family
ID=68438576
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910815685.8A Pending CN110444785A (en) | 2019-08-30 | 2019-08-30 | Dual polar plates of proton exchange membrane fuel cell, battery and battery pile |
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| JP2003129266A (en) * | 2001-10-17 | 2003-05-08 | Mitsubishi Heavy Ind Ltd | Gas generator |
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| CN210692683U (en) * | 2019-08-30 | 2020-06-05 | 湖南理工燃料电池有限公司 | Proton exchange membrane fuel cell bipolar plate, cell and cell stack |
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