CN109244503B - Anode runner of proton exchange membrane fuel cell - Google Patents
Anode runner of proton exchange membrane fuel cell Download PDFInfo
- Publication number
- CN109244503B CN109244503B CN201811148178.5A CN201811148178A CN109244503B CN 109244503 B CN109244503 B CN 109244503B CN 201811148178 A CN201811148178 A CN 201811148178A CN 109244503 B CN109244503 B CN 109244503B
- Authority
- CN
- China
- Prior art keywords
- baffle
- baffles
- fuel cell
- exchange membrane
- proton exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 20
- 239000012528 membrane Substances 0.000 title claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 abstract description 47
- 238000009792 diffusion process Methods 0.000 abstract description 12
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 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
- H01M8/0258—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
Landscapes
- 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
An anode runner of proton exchange membrane fuel cell is used for solving the problem of uneven diffusion of hydrogen in the proton exchange membrane fuel cell in the prior art. The novel air conditioner comprises a bottom plate, first partition plates and second partition plates, wherein the bottom plate is of a [ -shaped structure, a plurality of layers of first partition plates which are sequentially arranged from left to right are arranged on the inner side of the bottom plate, a plurality of air inlets are formed in the first partition plates, the second partition plates are arranged between every two adjacent layers of first partition plates, a plurality of air outlets are formed in the rightmost second partition plates, a plurality of channel openings are formed in other second partition plates except the rightmost second partition plates, and the air inlets are staggered from the channel openings up and down. The anode flow channel can obtain a larger gas flow area, so that the gas can more fully pass through the diffusion layer to reach the active area.
Description
Technical Field
The invention relates to the technical field of proton exchange membrane fuel cells, in particular to an anode runner of a proton exchange membrane fuel cell.
Background
In the proton exchange membrane fuel cell, the supply of hydrogen is the first step of reaction, so that the reasonable flow channel design can enable the anode of the proton exchange membrane fuel cell to obtain a proper air inlet speed when hydrogen is fed, and further enable the anode to diffuse in a diffusion layer more fully and uniformly, so that the anode can better react when reaching a catalyst layer, the optimal hydrogen supply effect is achieved, and the performance of the fuel cell is improved. The anode of the proton exchange membrane fuel cell in the prior art has the following defects: (1) The hydrogen inlet speed of the straight flow channel is too high, so that the hydrogen is not fully diffused in the diffusion layer; (2) The air resistance of the serpentine flow passage at the curve is large, so that the air inlet speed is rapidly reduced; (3) The gas distribution of the diffusion layer is uneven when the grid runner is in gas inlet.
Disclosure of Invention
The invention aims to provide an anode runner of a proton exchange membrane fuel cell, which is used for solving the problem of uneven hydrogen diffusion in the proton exchange membrane fuel cell in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a proton exchange membrane fuel cell positive pole runner, its characterized in that includes bottom plate, first baffle and second baffle, the bottom plate is "[ -shaped structure, is equipped with the multilayer first baffle that sets gradually from left to right in the inboard of bottom plate, is equipped with a plurality of air inlets on first baffle, is equipped with the second baffle between every adjacent two-layer first baffle, is equipped with a plurality of air outlets on the second baffle on rightmost, is equipped with a plurality of passway on other second baffles except rightmost second baffle, and air inlet staggers from top to bottom with the passway.
Further, the first partition plate comprises a plurality of first baffle plates which are arranged in a collinear manner, and an air inlet is formed between every two adjacent first baffle plates.
Further, the second partition plate comprises a plurality of second baffle plates which are arranged in a collinear way, and a passage opening is formed between every two adjacent second baffle plates.
Further, the upper end and the lower end of the bottom plate are provided with end plates, the number of the first baffle plates is four, and the uppermost first baffle plate and the lowermost first baffle plate are in contact with and fixedly connected with the end plates.
Further, the uppermost and lowermost first baffles were 5mm in length, and the two first baffles in the middle were 8mm in length.
Further, the interval between every two adjacent first baffles is 2mm.
Further, the number of the second baffles is three, and a passage opening is formed between the second baffles and the end plate and between every two adjacent second baffles.
Further, the horizontal distance between the first baffle and the second baffle is 4mm.
The beneficial effects of the invention are as follows: the invention provides an anode flow channel of a proton exchange membrane fuel cell, which is improved on the structure of a straight flow channel, and by adding a first baffle plate and a second baffle plate which are arranged in a staggered way in the straight flow channel, gas can obtain a deceleration effect under the action of the first baffle plate and the second baffle plate which are arranged in a staggered way when entering the anode flow channel, so that the flow velocity of the gas in the flow channel and the diffusion speed in a GDL are reduced, and the problem of too high gas diffusion speed of the straight flow channel is solved.
The invention designs the flow channels with the staggered baffle structures which are vertically symmetrical, so that the gas distribution is more uniform, and the problem of nonuniform gas distribution of the grid-shaped flow channels is solved.
According to the invention, 3 to 4 passage openings are arranged between each layer of first partition plates or between each layer of second partition plates, so that gas can smoothly pass through each row of first partition plates and each row of second partition plates, and the problem of high gas resistance at the bent part of the serpentine flow passage is solved.
The invention can obtain larger gas flow area, so that the gas can more fully pass through the diffusion layer to reach the active region.
Drawings
FIG. 1 is a three-dimensional schematic of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic diagram of gas flow;
in the figure: 1 bottom plate, 2 first baffle, 3 second baffle, 4 gas inlets, 5 access ports, 6 internal gas channels, 7 gas outlets, 8 end plates.
Detailed Description
As shown in fig. 1 to 2, the present invention mainly includes a base plate 1, a first barrier 2, and a second barrier 3, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the bottom plate 1 is in a [ -shaped plate structure, the upper end and the lower end of the bottom plate are end plates 8, a plurality of layers of first baffle plates are arranged left and right between the two end plates, each layer of first baffle plate comprises a plurality of first baffle plates 2 which are sequentially arranged from top to bottom, the first baffle plates are arranged in a collinear manner, wherein the two uppermost and lowermost first baffle plates are fixedly connected with the end plates, a gas inlet 4 is formed between every two adjacent first baffle plates, and the widths of the plurality of gas inlets are equal. The gas inlet may be obtained by digging holes in a single piece of the first baffle plate, in addition to the first baffle plates being arranged at intervals.
The second baffle plates are arranged between every two adjacent layers of first baffle plates, each second baffle plate comprises a plurality of second baffle plates 3 which are sequentially arranged from top to bottom, the number of the second baffle plates in the second baffle plates is the same as that of the gas inlets in the first baffle plates, the second baffle plates are in one-to-one correspondence with the gas inlets in the first baffle plates, namely, the gas entering through the gas inlets is blocked by the second baffle plates first, and then moves up and down. In addition to the rightmost second baffle, a passage opening 5 is formed between every two adjacent second baffles in the second baffle and between the second baffle and the end plate, and in the rightmost second baffle, a gas outlet 7 is formed between every two adjacent second baffles and between the second baffle and the end plate. An internal gas passage 6 is formed between the first and second separators. Thus, gas first enters the interior gas passage through the gas inlet and then enters the adjacent other interior gas passage through the passage opening. The access to the port or gas outlet in the second partition may be achieved by digging holes in a single second partition in addition to the second baffles at intervals.
As shown in fig. 3, the gas enters the internal gas channel enclosed between the first layer of the first partition plate and the first layer of the second partition plate from the left side through the gas inlet, then enters the adjacent other internal gas channel through the channel opening, then moves from left to right through the channel opening and the internal gas channel in sequence, and finally moves out through the gas outlet.
The number of first baffles in the first separator may be four, at this time, the lengths of the uppermost and lowermost first baffles are 5mm, the lengths of the two first baffles in the middle are 8mm, and the interval between every two adjacent second baffles is 2mm. The number of the second baffles in the second baffle plate is three, the length of the second baffle plate is 8mm, and the distance between every two adjacent second baffle plates and the distance between the second baffle plates and the end plate are equal and are 2mm.
The horizontal distance between the first and second separator plates is 4mm for overall structural strength and processing considerations.
The invention improves the structure of the straight flow channel, and by adding the first baffle plates and the second baffle plates which are arranged in a staggered way in the straight flow channel, the gas can obtain a deceleration effect under the action of the first baffle plates and the second baffle plates which are arranged in a staggered way when entering the anode flow channel, the flow velocity of the gas in the flow channel and the diffusion velocity of the gas in the GDL are reduced, and the problem of too high gas diffusion velocity of the straight flow channel is solved.
The invention designs the flow channels with the staggered baffle structures which are vertically symmetrical, so that the gas distribution is more uniform, and the problem of nonuniform gas distribution of the grid-shaped flow channels is solved.
According to the invention, 3 to 4 passage openings are arranged between each layer of first partition plates or between each layer of second partition plates, so that gas can smoothly pass through each row of first partition plates and each row of second partition plates, and the problem of high gas resistance at the bent part of the serpentine flow passage is solved.
The invention can obtain larger gas flow area, so that the gas can more fully pass through the diffusion layer to reach the active region.
Claims (6)
1. The proton exchange membrane fuel cell anode runner is characterized by comprising a bottom plate, a first baffle plate and a second baffle plate, wherein the bottom plate is of a [ -shaped structure, the upper end and the lower end of the bottom plate are end plates, a plurality of layers of first baffle plates which are sequentially arranged from left to right are arranged on the inner side of the bottom plate, a plurality of air inlets are arranged on the first baffle plates, the first baffle plates comprise four first baffle plates which are arranged in a collinear manner, and an air inlet is formed between every two adjacent first baffle plates; wherein the uppermost and lowermost first baffles are in contact with and fixedly connected with the end plate; a second partition plate is arranged between every two adjacent layers of first partition plates, a plurality of air outlets are arranged on the rightmost second partition plate, a plurality of passage openings are arranged on the other second partition plates except the rightmost second partition plate, and the air inlets are staggered up and down with the passage openings.
2. A proton exchange membrane fuel cell anode flow channel as claimed in claim 1 wherein the second separator comprises a plurality of second baffles arranged in a common line with a passage opening formed between each adjacent two of the second baffles.
3. A proton exchange membrane fuel cell anode flow channel as claimed in claim 1, wherein the uppermost and lowermost first baffles are 5mm in length and the middle two first baffles are 8mm in length.
4. A proton exchange membrane fuel cell anode flow channel as claimed in claim 3 wherein the spacing between each adjacent two of the first baffles is 2mm.
5. A proton exchange membrane fuel cell anode flow channel as claimed in claim 2 wherein there are three second baffles, and passage openings are formed between the second baffles and the end plate and between each adjacent two second baffles.
6. A proton exchange membrane fuel cell anode flow channel as claimed in claim 2, wherein the horizontal distance between the first baffle and the second baffle is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148178.5A CN109244503B (en) | 2018-09-29 | 2018-09-29 | Anode runner of proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148178.5A CN109244503B (en) | 2018-09-29 | 2018-09-29 | Anode runner of proton exchange membrane fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244503A CN109244503A (en) | 2019-01-18 |
| CN109244503B true CN109244503B (en) | 2024-04-09 |
Family
ID=65054658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811148178.5A Active CN109244503B (en) | 2018-09-29 | 2018-09-29 | Anode runner of proton exchange membrane fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109244503B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112433B (en) * | 2019-04-19 | 2022-02-18 | 天津大学 | Proton exchange membrane fuel cell cathode flow field plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621129A (en) * | 2008-06-30 | 2010-01-06 | 鸿富锦精密工业（深圳）有限公司 | Fuel battery pack |
| CN101711440A (en) * | 2007-05-08 | 2010-05-19 | 瑞理恩公司 | Proton exchange membrane fuel cell stack and fuel cell stack module |
| WO2016020659A1 (en) * | 2014-08-04 | 2016-02-11 | Intelligent Energy Limited | Fuel cell |
| CN208767397U (en) * | 2018-09-29 | 2019-04-19 | 山东派蒙机电技术有限公司 | A kind of anode of proton exchange membrane fuel cell runner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003297386A1 (en) * | 2002-12-23 | 2004-07-22 | Anuvu, Inc., A California Corporation | Channel-less proton exchange membrane fuel cell |
| US20110281193A1 (en) * | 2006-09-22 | 2011-11-17 | Energyor Technologies Inc. | Fuel cell fluid distribution system |
| TW200950197A (en) * | 2008-05-27 | 2009-12-01 | Delta Electronics Inc | Gas diffusion layer structure of proton exchange membrane fuel cell |
| US8137856B2 (en) * | 2009-02-13 | 2012-03-20 | Hitachi, Ltd. | Fuel cell |
-
2018
- 2018-09-29 CN CN201811148178.5A patent/CN109244503B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711440A (en) * | 2007-05-08 | 2010-05-19 | 瑞理恩公司 | Proton exchange membrane fuel cell stack and fuel cell stack module |
| CN101621129A (en) * | 2008-06-30 | 2010-01-06 | 鸿富锦精密工业（深圳）有限公司 | Fuel battery pack |
| WO2016020659A1 (en) * | 2014-08-04 | 2016-02-11 | Intelligent Energy Limited | Fuel cell |
| CN208767397U (en) * | 2018-09-29 | 2019-04-19 | 山东派蒙机电技术有限公司 | A kind of anode of proton exchange membrane fuel cell runner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109244503A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113299941B (en) | Proton exchange membrane fuel cell bipolar plate with parallelogram combined baffle | |
| CN113314726B (en) | Arrow-feather-shaped bipolar plate of proton exchange membrane fuel cell | |
| CN113299942B (en) | Bipolar plate with gas guide bosses arranged in stepped mode and fuel cell | |
| CN107968211B (en) | Flow field plate structure for proton exchange membrane fuel cell | |
| CN215184080U (en) | Spiral groove flow field bipolar plate structure of circular substrate | |
| CN113555580A (en) | Polar plate for fuel cell pile | |
| CN110661013A (en) | Fuel cell with cathode flow channel flow distribution design and catalytic layer Pt content gradient distribution | |
| CN210489736U (en) | Flow field structure of fuel cell | |
| CN109244503B (en) | Anode runner of proton exchange membrane fuel cell | |
| EP1826857A1 (en) | Improvement of flow distribution characteristics of fuel cell | |
| CN215955330U (en) | Wave-shaped flow field structure of proton exchange membrane fuel cell | |
| CN113594488B (en) | Air-cooled proton exchange membrane fuel cell metal bipolar plate and fuel cell thereof | |
| US8338048B2 (en) | Fuel cell | |
| CN116845271A (en) | Bipolar plate for proton exchange film fuel cell | |
| CN116031460A (en) | Manifold structure for improving distribution uniformity of galvanic pile fluid | |
| CN114759208B (en) | Fuel cell bipolar plate and fuel cell with same | |
| CN214797474U (en) | Arrow-feather-shaped bipolar plate of proton exchange membrane fuel cell | |
| CN208767397U (en) | A kind of anode of proton exchange membrane fuel cell runner | |
| CN110429297A (en) | A kind of new fuel cell circle bipolar plates | |
| CN115513486A (en) | Unipolar plate, bipolar plate, electric pile and fuel cell | |
| CN115036524A (en) | Bipolar plate and fuel cell | |
| CN219286456U (en) | Connector of high-temperature solid oxide electrolytic cell pile | |
| CN111372424A (en) | Multilayer storehouse position overlapping air duct system for square battery | |
| CN113675423B (en) | Fuel cell, fuel cell bipolar plate and flow field structure of fuel cell bipolar plate | |
| CN218447976U (en) | Polar plate of fuel cell and fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |