CN104347888A - Water cooled proton exchange membrane fuel cell stack and water cooled proton exchange membrane fuel cell - Google Patents
Water cooled proton exchange membrane fuel cell stack and water cooled proton exchange membrane fuel cell Download PDFInfo
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- CN104347888A CN104347888A CN201410543495.2A CN201410543495A CN104347888A CN 104347888 A CN104347888 A CN 104347888A CN 201410543495 A CN201410543495 A CN 201410543495A CN 104347888 A CN104347888 A CN 104347888A
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- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 239000012528 membrane Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 18
- 239000002826 coolant Substances 0.000 claims description 42
- 238000001816 cooling Methods 0.000 abstract description 9
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 14
- 238000009826 distribution Methods 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 102220015505 rs141611486 Human genes 0.000 description 1
- 102220023217 rs387907538 Human genes 0.000 description 1
- 102220013368 rs397516586 Human genes 0.000 description 1
Classifications
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
-
- 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
- H01M8/02—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
- H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to a water cooled proton exchange membrane fuel cell stack and a water cooled proton exchange membrane fuel cell including the stack. The stack comprises a cathode flow field, an anode flow field and a cooling flow field, wherein the cathode flow field is a parallel flow field and is provided with an inlet and an outlet, the cathode flow field is vertically placed, and the flow direction of the cathode flow field is from left to right or right to left; the anode flow field is a horizontal serpentine flow field and is provided with an inlet and an outlet, the anode flow field is vertically placed, the inlet of the anode flow field is positioned above the outlet of the anode flow field, the inlet of the anode flow field is positioned near the outlet of the cathode flow field, and the outlet of the anode flow field is positioned near the inlet of the cathode flow field; the cooling flow field is a vertical serpentine flow field and is provided with an inlet and an outlet, wherein the inlet of the cooling flow field is positioned near the outlet of the cathode flow field, and the outlet of the cooling flow field is positioned near the inlet of the cathode flow field. Gas is distributed uniformly, drainage is smooth and operation is stable by using the parallel cathode flow field, horizontal serpentine anode flow field and vertical serpentine cooling flow field and using the flow field layout.
Description
Technical field
The present invention relates to fuel cell field, relate more specifically to water-cooled proton exchange film fuel cell electric piling and water-cooled Proton Exchange Membrane Fuel Cells.
Background technology
Fig. 1 shows a kind of schematic diagram of typical water-cooled Proton Exchange Membrane Fuel Cells.Water-cooled Proton Exchange Membrane Fuel Cells 1 comprises core component---water-cooled pile 2.Water-cooled Proton Exchange Membrane Fuel Cells 1 is mainly divided into three loops: cathode return circuit, the oxidant of negative electrode, such as air, is generally pressurizeed by blower fan 3 and send into water-cooled pile 2 after humidifier 4 humidification; Anode loop, the fuel of anode, the hydrogen that such as purity is greater than 99.999%, is circulated by air pump 5 after entering water-cooled pile 2; Cooling circuit, cooling agent, such as deionized water, circulated by liquid pump 6, and dispelled the heat by radiator 7 and fan 8.
Fig. 2 shows the schematic diagram of the water-cooled pile of the water-cooled Proton Exchange Membrane Fuel Cells of Fig. 1.As shown in the figure, water-cooled pile 2 is made up of membrane electrode 9, cathode flow field plate 10 and anode flow field board 11.Membrane electrode 9 is positioned in the middle of the flow-field plate 10 and 11 of conduction; Flow-field plate 10 and 11 both as current collector plate, again as the mechanical support of membrane electrode 9.Cathode flow field plate 10 is provided with cathode flow field passages 12 on the surface in the face of membrane electrode 9, enters the passage of negative electrode, again as taking away in fuel cell operation the passage generating water as oxidant.Anode flow field board 11 is provided with anode flow field runner 13 on the surface in the face of membrane electrode 9, the passage of anode is entered as fuel, again as taking away in fuel cell operation the passage generating water, also on another apparent surface, be provided with coolant flow field passage 14, enter the passage of cooling surface as cooling agent.
In order to ensure performance and the life-span of Proton Exchange Membrane Fuel Cells 1, need to keep membrane electrode 9 each point performance consistent.Therefore need to keep the distribution of gas of membrane electrode 9 each point evenly, uniformity of temperature profile.If distribution of gas is inconsistent, membrane electrode 9 each point radiating condition is inconsistent, membrane electrode 9 each point actual performance can be caused to have larger difference, part in membrane electrode 9 can be caused time serious to there will be local overheating, even burn proton exchange membrane 9.If the unnecessary water generated in fuel cell operation can not be got rid of in time, blocking runner, gas flow can be caused to be obstructed, and gas cannot be uniformly distributed.
Flow Field Design should consider following requirement:
(1) there is less pressure drop, reduce the performance requirement to pile ancillary equipment, as blower fan, air pump, liquid pump;
(2) cathode flow field, anode flow field are rationally distributed, ensure that gas can evenly enter into pile positive and negative electrode, are uniformly distributed in pile electrode;
(3) condensed water of operating for pile generation can be got rid of rapidly by cathode flow field, anode flow field;
(4) coolant flow field ensures that coolant distribution is even, makes the homogeneous temperature of membrane electrode each point consistent.
The type of current polar plate flow field mainly contains serpentine flow, parallel flow field.
Serpentine flow is a kind of runner form comparatively early proposed, its outstanding advantages is the aqueous water getting rid of rapidly generation, but its shortcoming also clearly, for the flow field that Area comparison is large, because its flow channel length is long, bent angle is many, and make that pressure drop is large, Gas concentration distribution difference large, the easy ponding in corner, thus cause system effectiveness low.For these problems of serpentine flow, have and much improve patent, such as patent No. CN03806839, flow field is divided into major and minor flow field by it, although solve the problem of gas concentration difference, pressure drop is still very large.
Parallel flow field has the low feature of pressure drop, and flow channel length is short, and gas concentration difference is little, but in runner, the flowing of gas and the minute differences of response situation can cause disturbance to the overall performance of battery, easily occur the situation of unstable properties.
Therefore, need to solve pile the gas uniform distribution problem under lower pressure operation, water blockoff problem and unstable properties problem.
Summary of the invention
Object of the present invention be just to provide a kind of gas uniform distribution under lower pressure operation, can not the water-cooled proton exchange film fuel cell electric piling of water blockoff and stable performance.
Above-mentioned purpose is realized by following water-cooled proton exchange film fuel cell electric piling.Described water-cooled proton exchange film fuel cell electric piling comprises: cathode flow field, and it is parallel flow field and have entrance and exit, and described cathode flow field is vertically placed, and runner direction from left to right or from right to left; Anode flow field, it is for horizontal serpentine flow and have entrance and exit, described anode flow field is vertically placed, the entrance of described anode flow field is above the outlet of described anode flow field, the entrance of described anode flow field is near the outlet of described cathode flow field, and the outlet of described anode flow field is near the entrance of described cathode flow field; Coolant flow field, it is vertical serpentine flow and have entrance and exit, and the entrance of described coolant flow field is near the outlet of described cathode flow field, and the outlet of described coolant flow field is near the entrance of described cathode flow field.
Preferably, the entrance of described anode flow field is positioned at the top of cathode flow field outlet, and the outlet of described anode flow field is positioned at the below of described anode flow field entrance.
By using parallel cathode flow field, the snakelike anode flow field of level and vertical snakelike coolant flow field and adopting above-mentioned flow field arrangement, water-cooled proton exchange film fuel cell electric piling of the present invention operationally distribution of gas is even, and draining is smooth and easy and stable.
On the other hand, the present invention also provides a kind of water-cooled Proton Exchange Membrane Fuel Cells comprising above-mentioned water-cooled proton exchange film fuel cell electric piling.
Accompanying drawing explanation
Of the present invention above-mentioned with and other objects and advantages by reference to the following drawings and by way of example can be more obvious, in the accompanying drawings:
Fig. 1 shows a kind of schematic diagram of typical water-cooled Proton Exchange Membrane Fuel Cells.
Fig. 2 shows the schematic diagram of the water-cooled pile of the Proton Exchange Membrane Fuel Cells of Fig. 1.
Fig. 3 shows the schematic diagram of the cathode flow field of water-cooled proton exchange film fuel cell electric piling of the present invention.
Fig. 4 shows the partial perspective view of the runner of the cathode flow field of Fig. 3.
Fig. 5 shows the pressure drop comparison diagram in negative electrode serpentine flow and cathode parallel flow field of the present invention.
Fig. 6 shows the service chart of the pile using negative electrode serpentine flow and use cathode parallel flow field of the present invention.
Fig. 7 shows the schematic diagram of the anode flow field of water-cooled proton exchange film fuel cell electric piling of the present invention.
Fig. 8 shows the partial perspective view of the runner of the anode flow field of Fig. 7.
Fig. 9 shows the pressure drop comparison diagram of the vertical serpentine flow of anode and the horizontal serpentine flow of anode of the present invention.
Figure 10 shows the service chart of the pile using the vertical serpentine flow of anode and the horizontal serpentine flow of anode of the present invention.
Figure 11 shows the schematic diagram of the coolant flow field of water-cooled proton exchange film fuel cell electric piling of the present invention.
Figure 12 shows the partial perspective view of the runner of the coolant flow field of Figure 11.
Figure 13 shows the layout of the anode flow field of water-cooled proton exchange film fuel cell electric piling of the present invention, cathode flow field and coolant flow field.
Figure 14 shows the stereogram of the water-cooled proton exchange film fuel cell electric piling of one embodiment of the present of invention
Embodiment
Water-cooled proton exchange film fuel cell electric piling assembly of the present invention is hereafter described with reference to the accompanying drawings by way of example.However, it should be understood that the following examples and accompanying drawing are only illustrative, do not limit the scope of the invention.Scope of the present invention should be limited by incidental claim.In addition, for clarity sake, accompanying drawing not drawn on scale.
Water-cooled proton exchange film fuel cell electric piling 100 of the present invention comprises cathode flow field 20, anode flow field 30 and coolant flow field 40.
cathode flow field
Fig. 3 shows the schematic diagram of the cathode flow field of water-cooled proton exchange film fuel cell electric piling of the present invention.Fig. 4 shows the partial perspective view of the runner of the cathode flow field of Fig. 3.
As shown in Figure 3, the shape of cathode flow field 20 is rectangle, and cathode flow field 20 adopts parallel flow field.Major parameter is as follows:
Length L1 scope: 280mm<L1<380mm;
Width W 1 scope: 60mm<W1<80mm;
Long and wide ratio L1/W1 scope: 4.0<L1/W1<5.0;
Runner quantity n1 scope: 20<n1<25.
As shown in Figure 4, the parameter of single runner 22 is as follows:
Length L11 scope: 280mm<L11<380mm;
Flow path groove depth H 1 scope: 0.3mm<H1<0.7mm;
Flow path groove width W 11 scope: 1.2mm<W11<1.8mm;
Runner step width W12 scope: 1.2mm<W12<1.8mm;
The width of flow field grooves, runner step is than W11/W12 scope: 0.7<W11/W12≤1.0;
The ratio H1/W11 scope of groove depth and groove width: 0.2<H1/W11<0.4.
This design can ensure to get rid of the liquid globule of negative electrode generation and the pressure needs of water column in pile running, and the pressure drop of cathode flow field controls in very low level, reduces the demand of target blower fan.
The comparative example of cathode flow field and embodiment
The design parameter of cathode flow field of the present invention and a snakelike cathode flow field of the same area is as follows:
Fig. 5 shows the pressure drop comparison diagram in negative electrode serpentine flow and cathode parallel flow field of the present invention.As shown in the figure, cathode parallel flow field of the present invention reduces 67% (flow channel length reduces 63% as can be known from the above table) relative to the pressure drop of negative electrode serpentine flow.Fig. 6 shows the service chart of the pile using negative electrode serpentine flow and use cathode parallel flow field of the present invention.As shown in the figure, cathode parallel flow field of the present invention is compared negative electrode serpentine flow power of fan and is saved 19%.Therefore, when selecting negative electrode blower fan, can have more more options, the cost of blower fan also can significantly reduce.
anode flow field
Fig. 7 shows the schematic diagram of the anode flow field of water-cooled proton exchange film fuel cell electric piling of the present invention.Fig. 8 shows the partial perspective view of the runner of the anode flow field of Fig. 7.
As shown in Figure 7, the shape of anode flow field 30 is rectangle, and anode flow field 30 adopts horizontal serpentine flow." level is snakelike " represents that the lap of runner is positioned at horizontal direction herein.Major parameter is as follows:
Length L2 scope: 280mm<L2<380mm;
Width W 2 scope: 60mm<W2<80mm;
Long and wide ratio L2/W2 scope: 4.0<L2/W2<5.0;
Runner quantity n2 scope: 5<n2<10.
As shown in Figure 8, the major parameter of single runner 32 is as follows:
Length L21 scope: 950mm<L21<1100mm;
Flow path groove depth H 2 scope: 0.3mm<H2<0.6mm;
Flow path groove width W 21 scope: 1.2mm<W11<1.8mm;
Runner step width W22 scope: 1.2mm<W12<1.8mm;
Quarter bend quantity N:N<8;
The width of flow path groove, runner step is than W21/W22 scope: 0.7<W21/W22≤1.0;
The ratio H2/W21 scope of groove depth and groove width: 0.2<H2/W21<0.4.
Anode flow field 30 adopts horizontal serpentine flow, and tool has the following advantages: the pressure drop of anode flow field reduces, but makes anode drop higher than cathode drop, avoids the gas of negative electrode to penetrate into anode; Reduce bent angle, avoid the ponding of corner to cause proton exchange membrane to be in operation and produce air or hydrogen localized supplies deficiency, produce focus, scaling loss proton exchange membrane, affects the stability of pile.
The comparative example of anode flow field and embodiment
The design parameter of the snakelike anode flow field of level of the present invention and a vertical snakelike anode flow field of the same area is as follows:
Fig. 9 shows the pressure drop comparison diagram of the vertical serpentine flow of anode and the horizontal serpentine flow of anode of the present invention.As shown in the figure, the horizontal serpentine flow of anode of the present invention reduces 66% (turning quantity reduces 20% as can be known from the above table) relative to the vertical serpentine flow pressure drop of anode.The demand of hydrogen pump is also significantly reduced, even can cancel hydrogen gas circulating pump.Figure 10 shows the service chart of the pile using the vertical serpentine flow of anode and the horizontal serpentine flow of anode of the present invention.As shown in the figure, pile, under same loading condition, uses the horizontal serpentine flow of anode of the present invention compared with the vertical serpentine flow of anode, hydrogen gas circulating pump power reduction 40%.
coolant flow field
Figure 11 shows the schematic diagram of the coolant flow field of water-cooled proton exchange film fuel cell electric piling of the present invention.Figure 12 shows the partial perspective view of the runner of the coolant flow field of Figure 11.
As shown in figure 11, the shape of coolant flow field 40 is rectangle, and coolant flow field 40 adopts vertical serpentine flow." vertically snakelike " represents that the lap of runner is positioned at vertical direction herein.Major parameter is as follows:
Length L3 scope: 280mm<L3<380mm;
Width W 3 scope: 60mm<W2<80mm;
The quantity n3 scope of runner: 8<n3<12.
As shown in figure 12, the major parameter of single runner 42 is as follows:
Length L31 scope: 500mm<L31<550mm;
Flow path groove depth H 3 scope: 0.7mm<H3<1.1mm;
Flow path groove width W 31 scope: 2.0mm<W31<3.0mm;
Runner step width W32 scope: 1.5mm<W32<2.5mm;
The width of flow path groove, runner step is than W31/W32 scope: 1.0<W31/W32<1.5;
Groove depth, groove width are than H3/W31 scope: 0.3<H3/W31<0.5.
Coolant flow field adopts serpentine flow design, increases the length of runner, coolant is fully contacted with flow-field plate, reaches the object of cooling pile.The degree of depth of coolant flow field groove is approximately 2 times of cathode flow field groove depth, and object reduces the pressure drop of coolant flow field groove, and make water-flow equation even, maximum pressure drop controls at 15Kpa, reduces the demand to coolant pump.
the layout of cathode flow field, anode flow field and coolant flow field
Figure 13 shows the layout of the anode flow field of water-cooled proton exchange film fuel cell electric piling according to a preferred embodiment of the present invention, cathode flow field and coolant flow field.As shown in the figure, preferably, cathode flow field is vertically placed, and runner direction from left to right (or from right to left), arranges successively from top to bottom; Anode flow field is vertically placed, and the entrance of runner is up and near the outlet of cathode flow field, and the outlet of runner is in below and near the entrance of cathode flow field; Coolant flow field is vertically placed, and the entrance of runner is near the outlet of cathode flow field, and the outlet of runner is near the entrance of cathode flow field.
The present invention, by the design in target flow field, adopts the design of parallel flow field, when ensureing to get rid of the liquid globule and the water column of negative electrode generation in pile running, reducing cathode flow field pressure drop, reducing the performance requirement of pile target blower fan.
Cathode flow field of the present invention adopts parallel flow field, and flow field length reduces, and the gas concentration reducing inside, flow field is poor, and flow field is without turning, is got rid of by the water generated more easily by air-flow in running.
The present invention, by flow channel shape, the size design in the flow field of antianode, ensures that the pressure of pile at running Anodic is higher than negative electrode.
Anode flow field runner quantity of the present invention is 1/3 of cathode flow field runner quantity, and the single flow channel length of anode is 2-4 times of cathode flow channels length, runs Anodic pressure drop higher than cathode drop.
Anode flow channel in the present invention, according to flow field patterns, is designed to horizontal serpentine flow, bent angle minimum number, and does not have U-shaped bent angle, avoids ponding.
Anode flow field of the present invention, entrance is above outlet, and gas flow direction from top to bottom, gets rid of by Action of Gravity Field the aqueous water that pile runs Anodic.
Coolant flow field of the present invention coordinates with cathode flow field, ensures that the pile Temperature Distribution that is in operation is more balanced.In pile running, the gas flow of negative electrode is much larger than the gas flow of anode.After the gas of negative electrode enters pile, along with flowing, temperature raises, and during to cathode outlet, temperature reaches peak; When coolant enters pile, temperature is minimum, along with flowing, absorbs the heat of pile, and when arriving coolant outlet, temperature is the highest.Cooling entry design of the present invention is near the outlet of cathode flow field, and the coolant cathode flame that first Contact Temperature is the highest making temperature minimum, reaches the object of balanced stack temperature.
Figure 14 shows the stereogram of the water-cooled proton exchange film fuel cell electric piling of one embodiment of the present of invention.The layout of the cathode flow field in water-cooled proton exchange film fuel cell electric piling 100, anode flow field and coolant flow field is described above.The entrance 34 of anode flow field is up and near the outlet 26 of cathode flow field, and the outlet 36 of runner is in below and near the entrance 24 of cathode flow field; The entrance 44 of coolant flow field is near the outlet 26 of cathode flow field, and the outlet 46 of runner is near the entrance 24 of cathode flow field.
(1) cathode flow field adopts parallel flow field, and main design parameters is as follows:
Length (L1): L1=333mm;
Width (W1): W1=70.1mm;
Long and wide ratio (L1/W1): L1/W1=4.75;
Runner quantity (n): n1=24.
The parameter of single runner is as follows:
Length L11:L11=333mm,
Flow path groove depth H 1:H1=0.5mm;
Flow path groove width W 11:W11=1.5mm;
Runner step width W12:W12=1.5mm;
The width of flow field grooves, step compares W11/W12:W11/W12=1;
The ratio H1/W11:H1/W11=0.3. of groove depth and groove width
(2) anode flow field adopts horizontal serpentine flow, and main design parameters is as follows:
Length (L2): L2=333mm;
Width (W2): W2=70.1mm;
Long and wide ratio (L2/W2): L2/W2=4.75;
Runner quantity (n2): n2=8.
Cathode flow field adopts parallel flow field, and the parameter of single runner is as follows:
Length L21:L21=1060.5mm;
Flow path groove depth H 2:H2=0.4;
Flow path groove width W 21:W21=1.5;
Runner step width W22:W22=1.5;
Quarter bend quantity: N=6;
The width of flow path groove, step compares W21/W22:W21/W22=1;
The ratio H2/W21:H2/W21=0.27 of groove depth and groove width.
(3) coolant flow field
Flow field length L3:L3=316mm,
Flow field width W 3:W2=70.5mm,
The quantity n3:n3=10 of coolant flow field runner.
The major parameter of the single runner of coolant flow field is as follows:
Length L31:L31=530.1mm;
Flow path groove width W 31:W31=2.5mm;
Runner step width W32:W32=2.0mm;
Flow path groove depth H 3:H3=0.9mm;
The groove of coolant flow channel, the width of step compare W31/W32:W31/W32=1.25;
Runner groove depth, groove width compare H3/W31:H3/W31=0.36.
Pile of the present invention due to the relative position relation of coolant flow field and cathode flow field, the field distribution of pile internal temperature can be made evenly.The aqueous water produced during pile runs can be discharged with air-flow in time, and the phenomenon blocking runner does not occur, and therefore pile voltage exports steadily under high load, fluctuates little.Because most aqueous water can be discharged by Action of Gravity Field in anode, so pile of the present invention is under the operating pressure of anode is less than the condition of 10Kpa, the even running of the low fluctuation of voltage can be ensured.
Claims (6)
1. water-cooled proton exchange film fuel cell electric piling, is characterized in that, this pile comprises:
Cathode flow field, it is parallel flow field and have entrance and exit, and described cathode flow field is vertically placed, and runner direction is from left to right or from right to left;
Anode flow field, it is for horizontal serpentine flow and have entrance and exit, described anode flow field is vertically placed, the entrance of described anode flow field is above the outlet of described anode flow field, the entrance of described anode flow field is near the outlet of described cathode flow field, and the outlet of described anode flow field is near the entrance of described cathode flow field;
Coolant flow field, it is vertical serpentine flow and have entrance and exit, and the entrance of described coolant flow field is near the outlet of described cathode flow field, and the outlet of described coolant flow field is near the entrance of described cathode flow field.
2. pile according to claim 1, is characterized in that, the entrance of described anode flow field is positioned at the top of cathode flow field outlet, and the outlet of described anode flow field is positioned at the below of described anode flow field entrance.
3. pile according to claim 1 and 2, is characterized in that, the length L1 of described cathode flow field, width W 1, long and wide ratio L1/W1, and runner quantity n1 meets the following conditions:
280mm<L1<380mm；
60mm<W1<80mm；
4.0<L1/W1<5.0；
20<n1<25，
The length L11 of the single runner of described cathode flow field, flow path groove depth H 1, flow path groove width W 11, runner step width W12, the width ratio W11/W12 of flow field grooves, runner step and the ratio H1/W11 of groove depth and groove width meet the following conditions:
280mm<L11<380mm；
0.3mm<H1<0.7mm；
1.2mm<W11<1.8mm；
1.2mm<W12<1.8mm；
0.7<W11/W12≤1.0；
0.2<H1/W11<0.4。
4. pile according to claim 3, is characterized in that, the length L2 of described anode flow field, width W 2, long and wide ratio L2/W2, and runner quantity n2 meets the following conditions:
280mm<L2<380mm；
60mm<W2<80mm；
4.0<L2/W2<5.0；
5<n2<10；
The length L21 of the single runner of described anode flow field, flow path groove depth H 2, flow path groove width W 21, runner step width W22, quarter bend quantity N, the width ratio W21/W22 of flow field grooves, runner step and the ratio H2/W21 of groove depth and groove width meet the following conditions:
950mm<L21<1100mm；
0.3mm<H2<0.6mm；
1.2mm<W11<1.8mm；
1.2mm<W12<1.8mm；
N<8；
0.7<W21/W22≤1.0；
0.2<H2/W21<0.4。
5. pile according to claim 4, is characterized in that, the length L3 of described coolant flow field, width W 3, and runner quantity n3 meets the following conditions:
280mm<L3<380mm；
60mm<W2<80mm；
8<n3<12，
The length L31 of the single runner of described coolant flow field, flow path groove depth H 3, flow path groove width W 31, runner step width W32, the width ratio W31/W32 of flow field grooves, runner step and the ratio H3/W31 of groove depth and groove width meet the following conditions:
500mm<L31<550mm；
0.7mm<H3<1.1mm；
2.0mm<W31<3.0mm；
1.5mm<W32<2.5mm；
1.0<W31/W32<1.5；
0.3<H3/W31<0.5。
6. water-cooled Proton Exchange Membrane Fuel Cells, is characterized in that, comprises at least one water-cooled proton exchange film fuel cell electric piling according to any one of claim 1-5.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895804A (en) * | 2017-12-14 | 2018-04-10 | 苏州朔景动力新能源有限公司 | Fuel battery metal double polar plate and fuel cell |
| CN108110275A (en) * | 2017-12-14 | 2018-06-01 | 苏州朔景动力新能源有限公司 | Bipolar plates and fuel cell |
| CN110212213A (en) * | 2019-07-08 | 2019-09-06 | 上海捷氢科技有限公司 | A kind of dual polar plates of proton exchange membrane fuel cell |
| CN110854404A (en) * | 2018-08-21 | 2020-02-28 | 上海汽车集团股份有限公司 | Fuel cell bipolar plate and electric pile |
| CN113258093A (en) * | 2021-05-10 | 2021-08-13 | 上海电气集团股份有限公司 | Cathode single plate, anode single plate, flow guide polar plate and fuel cell containing same |
| CN114709440A (en) * | 2022-05-31 | 2022-07-05 | 武汉氢能与燃料电池产业技术研究院有限公司 | Proton exchange membrane fuel cell flow field plate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638177A (en) * | 2003-12-25 | 2005-07-13 | 本田技研工业株式会社 | Fuel cell |
| CN1838455A (en) * | 2006-04-29 | 2006-09-27 | 中山大学 | Proton exchange membrane fuel cell plate comprising combined flow channel |
| CN1921206A (en) * | 2005-08-26 | 2007-02-28 | 比亚迪股份有限公司 | Flow field plate for fuel battery |
| CN101431156A (en) * | 2008-12-12 | 2009-05-13 | 大连理工大学 | Passive miniature direct liquid fuel battery |
| CN101785135A (en) * | 2007-07-18 | 2010-07-21 | 塞能量公司 | A bipolar plate for a fuel cell comprising a by-passed serpentine flow path for oxidant gas, a cooling plate for a fuel cell comprising a by-passed serpentine flow path for coolant fluid, fuel cell comprising such plates and uses thereof |
| CN102201583A (en) * | 2011-04-22 | 2011-09-28 | 沈阳建筑大学 | Proton exchange membrane fuel cell flow field structure |
| CN202084601U (en) * | 2011-04-22 | 2011-12-21 | 沈阳建筑大学 | Proton exchange membrane fuel cell flow field structure |
| CN202817106U (en) * | 2012-10-10 | 2013-03-20 | 浙江科技学院 | Novel flow field plate structure of proton exchange membrane fuel cell |
-
2014
- 2014-10-15 CN CN201410543495.2A patent/CN104347888B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638177A (en) * | 2003-12-25 | 2005-07-13 | 本田技研工业株式会社 | Fuel cell |
| CN1921206A (en) * | 2005-08-26 | 2007-02-28 | 比亚迪股份有限公司 | Flow field plate for fuel battery |
| CN1838455A (en) * | 2006-04-29 | 2006-09-27 | 中山大学 | Proton exchange membrane fuel cell plate comprising combined flow channel |
| CN101785135A (en) * | 2007-07-18 | 2010-07-21 | 塞能量公司 | A bipolar plate for a fuel cell comprising a by-passed serpentine flow path for oxidant gas, a cooling plate for a fuel cell comprising a by-passed serpentine flow path for coolant fluid, fuel cell comprising such plates and uses thereof |
| CN101431156A (en) * | 2008-12-12 | 2009-05-13 | 大连理工大学 | Passive miniature direct liquid fuel battery |
| CN102201583A (en) * | 2011-04-22 | 2011-09-28 | 沈阳建筑大学 | Proton exchange membrane fuel cell flow field structure |
| CN202084601U (en) * | 2011-04-22 | 2011-12-21 | 沈阳建筑大学 | Proton exchange membrane fuel cell flow field structure |
| CN202817106U (en) * | 2012-10-10 | 2013-03-20 | 浙江科技学院 | Novel flow field plate structure of proton exchange membrane fuel cell |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895804A (en) * | 2017-12-14 | 2018-04-10 | 苏州朔景动力新能源有限公司 | Fuel battery metal double polar plate and fuel cell |
| CN108110275A (en) * | 2017-12-14 | 2018-06-01 | 苏州朔景动力新能源有限公司 | Bipolar plates and fuel cell |
| CN110854404A (en) * | 2018-08-21 | 2020-02-28 | 上海汽车集团股份有限公司 | Fuel cell bipolar plate and electric pile |
| CN110854404B (en) * | 2018-08-21 | 2021-07-30 | 上海汽车集团股份有限公司 | Fuel cell bipolar plate and electric pile |
| CN110212213A (en) * | 2019-07-08 | 2019-09-06 | 上海捷氢科技有限公司 | A kind of dual polar plates of proton exchange membrane fuel cell |
| CN113258093A (en) * | 2021-05-10 | 2021-08-13 | 上海电气集团股份有限公司 | Cathode single plate, anode single plate, flow guide polar plate and fuel cell containing same |
| CN114709440A (en) * | 2022-05-31 | 2022-07-05 | 武汉氢能与燃料电池产业技术研究院有限公司 | Proton exchange membrane fuel cell flow field plate |
| CN114709440B (en) * | 2022-05-31 | 2022-08-26 | 武汉氢能与燃料电池产业技术研究院有限公司 | Proton exchange membrane fuel cell flow field plate |
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