CN204991855U - Distribution head for bipolar plate of proton exchange membrane fuel cell - Google Patents
Distribution head for bipolar plate of proton exchange membrane fuel cell Download PDFInfo
- Publication number
- CN204991855U CN204991855U CN201520347705.0U CN201520347705U CN204991855U CN 204991855 U CN204991855 U CN 204991855U CN 201520347705 U CN201520347705 U CN 201520347705U CN 204991855 U CN204991855 U CN 204991855U
- Authority
- CN
- China
- Prior art keywords
- water conservancy
- conservancy diversion
- flow guide
- guide bar
- exchange membrane
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
- Fuel Cell (AREA)
Abstract
The utility model discloses a distribution head for bipolar plate of proton exchange membrane fuel cell, wherein, distribution head for bipolar plate of proton exchange membrane fuel cell includes air inlet and water conservancy diversion district, the one end in water conservancy diversion district with the air inlet is connected, the other end in water conservancy diversion district is connected with bipolar plate's runner, the water conservancy diversion district is including many water conservancy diversion strips, the water conservancy diversion strip is " Z " font and arranges, the air inlet admit air the direction with runner extending direction is unanimous. The utility model discloses a be the water conservancy diversion strip that " Z " font was arranged in that distribution head for bipolar plate of proton exchange membrane fuel cell is embedded, improved air flow distribution homogeneity in each channel of proton exchange membrane fuel cell, be favorable to improving proton exchange membrane fuel cell's performance.
Description
Technical field
The utility model relates to Proton Exchange Membrane Fuel Cells technical field, is specifically related to a kind of dual polar plates of proton exchange membrane fuel cell dispensing head.
Background technology
Proton Exchange Membrane Fuel Cells (PEMFC) is considered to the ideal source of a kind of applicable human development and environmental requirement with advantages such as its high efficiency, high-energy-density, low stain.Wherein, bipolar plates is the vitals of PEMFC, and there is the runner processed on its two sides, and plays a part distribution reaction gas, collected current, mechanical support, hydro-thermal management and separates negative and positive polarization response gas.Bipolar plate structure reasonable in design, can improve the uniformity of reaction gas distribution in runner, makes membrane electrode all can obtain sufficient reaction gas everywhere, and the used heat of generation is discharged in time, ensure that fuel cell has good performance and stability.
In existing technology, the general air guide by adding different structure, different layout in bipolar plates dispensing head, changes the flow direction of reaction gas, makes the reaction gas entered in each runner distribute more even.In addition, along with the development of computer technology, CFD technology is also applied in fuel cell more and more, is instructed the design and optimization of fuel cell bipolar plate structure by flow field analysis.
Patent CN102013500A discloses a proton exchanging film fuel battery gas flowfield, and its bottom surface distributing flow field segments is provided with equally distributed oval dispensing head, improves the mass transport process of reacting gas.But because gas feed size is smaller, fewer away from distribution of gas in the runner of gas feed place, in bipolar plates, in each runner, the uniform property of gas is difficult to be guaranteed.
Utility model content
The utility model provides a kind of dual polar plates of proton exchange membrane fuel cell dispensing head, and this dual polar plates of proton exchange membrane fuel cell dispensing head improves flow distribution evenness in each runner of Proton Exchange Membrane Fuel Cells.
The utility model is by the following technical solutions:
First aspect, the technical program provides a kind of dual polar plates of proton exchange membrane fuel cell dispensing head, comprise air inlet and guiding region, one end of described guiding region is connected with described air inlet, the other end of described guiding region is connected with the runner of bipolar plates, described guiding region comprises many flow guide bars, and described flow guide bar is arrangement in " Z " font, and the airintake direction of described air inlet is consistent with described runner bearing of trend.
Its further technical scheme is, described flow guide bar comprises the first flow guide bar, the second flow guide bar and the 3rd flow guide bar, described first flow guide bar, the second flow guide bar and the 3rd flow guide bar near the position of described air inlet near to far arranging successively, the angle in described first flow guide bar and described inlet charge direction is the first angle, the angle in described second flow guide bar and described inlet charge direction is the second angle, described second angle is less than described first angle, and described 3rd flow guide bar is vertical with described inlet charge direction.
Its further technical scheme is, it is protruding that described first flow guide bar comprises multiple first water conservancy diversion, and it is protruding that described second flow guide bar comprises multiple second water conservancy diversion, and it is protruding that described 3rd flow guide bar comprises multiple 3rd water conservancy diversion.
Its further technical scheme is, protruding, the described second water conservancy diversion projection of described first water conservancy diversion and described 3rd water conservancy diversion projection are the one in cuboid, strip prismatoid and strip cylinder.
Its further technical scheme is, the height of described first water conservancy diversion projection is 0.05 ~ 0.1mm, and length is 0.8 ~ 1mm; The height of described second water conservancy diversion projection is 0.05 ~ 0.1mm, and length is 1 ~ 1.2mm; The height of described 3rd water conservancy diversion projection is 0.05 ~ 0.1mm, and length is 1 ~ 1.2mm.
Its further technical scheme is, the distance on described first flow guide bar between adjacent two the first water conservancy diversion projections with apart from described air inlet near to far increasing gradually; Distance on described second flow guide bar between adjacent two described second water conservancy diversion projections with apart from described air inlet near to far increasing gradually; Distance on described 3rd flow guide bar between adjacent two described 3rd water conservancy diversion projections with apart from described air inlet near to far increasing gradually.
Its further technical scheme is that described runner is parallel to each other, and is linear pattern or waveform.
The beneficial effect that the technical scheme that the utility model provides is brought:
In the technical program, by the flow guide bar in the embedded arrangement in " Z " font of dual polar plates of proton exchange membrane fuel cell dispensing head, improve flow distribution evenness in each raceway groove of Proton Exchange Membrane Fuel Cells, be conducive to the performance improving Proton Exchange Membrane Fuel Cells.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the structural representation of the dual polar plates of proton exchange membrane fuel cell dispensing head that the utility model embodiment provides.
Fig. 2 is the result schematic diagram of the utility model embodiment.
Embodiment
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the dual polar plates of proton exchange membrane fuel cell dispensing head that the utility model embodiment provides.As shown in Figure 1, this dual polar plates of proton exchange membrane fuel cell dispensing head comprises air inlet 10 and guiding region 20, one end of described guiding region 20 is connected with described air inlet 10, the other end of described guiding region 20 is connected with the runner 30 of bipolar plates, described guiding region 20 comprises many flow guide bars 21, the arrangement in " Z " font of described flow guide bar 21, the airintake direction of described air inlet 10 is consistent with described runner 30 bearing of trend.
The utility model embodiment is at the flow guide bar 21 of the embedded arrangement in " Z " font of dual polar plates of proton exchange membrane fuel cell dispensing head, air-flow is after flow guide bar 21 water conservancy diversion of guiding region 20, enter in each runner 30 comparatively uniformly, finally discharge from gas outlet 40, improve flow distribution evenness in each raceway groove of Proton Exchange Membrane Fuel Cells, be conducive to the performance improving Proton Exchange Membrane Fuel Cells.
Preferably, described flow guide bar 21 comprises the first flow guide bar 210, second flow guide bar 211 and the 3rd flow guide bar 212, described first flow guide bar 210, second flow guide bar 211 and the 3rd flow guide bar 212 near the position of described air inlet 10 near to far arranging successively, described first flow guide bar 210 is the first angle α with the angle of described air inlet 10 airintake direction, described second flow guide bar 211 is the second angle β with the angle of described air inlet 10 airintake direction, described second angle β is less than described first angle α, described 3rd flow guide bar 212 is vertical with described air inlet 10 airintake direction.
Preferably, described first flow guide bar 210 comprises multiple first water conservancy diversion projection 2100, and described second flow guide bar 211 comprises multiple second water conservancy diversion projection 2110, and described 3rd flow guide bar 212 comprises multiple 3rd water conservancy diversion projection 2120.Described first water conservancy diversion projection 2100, described second water conservancy diversion protruding 2110 and described 3rd water conservancy diversion projection 2120 are the one in cuboid, strip prismatoid and strip cylinder.The height of described first water conservancy diversion projection 2100 is 0.05 ~ 0.1mm, and length is 0.8 ~ 1mm; The height of described second water conservancy diversion projection 2110 is 0.05 ~ 0.1mm, and length is 1 ~ 1.2mm; The height of described 3rd water conservancy diversion projection 2120 is 0.05 ~ 0.1mm, and length is 1 ~ 1.2mm.Described runner 30 is parallel to each other, and is linear pattern or waveform.
Distance on described first flow guide bar 210 between adjacent two the first water conservancy diversion projections 2100 with apart from described air inlet 10 near to far increasing gradually; Distance on described second flow guide bar 211 between adjacent two described second water conservancy diversion projections 2110 with apart from described air inlet 10 near to far increasing gradually; Distance on described 3rd flow guide bar 212 between adjacent two described 3rd water conservancy diversion projections 2120 with apart from described air inlet 10 near to far increasing gradually.
In the present embodiment, table 1 is the spacing list between protruding adjacent two water conservancy diversion projections of three kinds of water conservancy diversion that the utility model embodiment provides.
| The protruding classification of water conservancy diversion | Spacing 1 (mm) | Spacing 2 (mm) | Spacing 3 (mm) | Spacing 4 (mm) |
| First water conservancy diversion is protruding | 0.3 | 0.5 | ||
| Second water conservancy diversion is protruding | 0.3 | 0.5 | 0.7 | 1 |
| 3rd water conservancy diversion is protruding | 0.7 | 2 |
Associative list 1, runner 30 is 24, and the shape of runner 30 is linear, and the width of runner 30 is 1.8mm, and the width of ridge 50 is 1.0mm, and the length of runner 30 is 70mm, and runner 30 long enough is conducive to ensureing that reaction gas fully reacts.The height of the first water conservancy diversion projection 2100 is 0.1mm, length is 1mm, first angle α is 88 °, distance between adjacent two the first water conservancy diversion projections 2100 has two kinds, be respectively 0.3mm and 0.5mm, distance between protruding 2100 adjacent two the first water conservancy diversion projections 2100 of half first water conservancy diversion of contiguous air inlet 10 is 0.3mm, and the distance between protruding 2100 adjacent two the first water conservancy diversion projections 2100 of second half first water conservancy diversion is 0.5mm, second water conservancy diversion protruding 2110 is highly 0.1mm, length is 1.2mm, second angle β is 86 °, distance between adjacent two the second water conservancy diversion projections 2110 has four kinds, be respectively 0.3mm, 0.5mm, 0.7mm and 1mm, distance from distance air inlet 10 from protruding 2110 adjacent two the second water conservancy diversion projections 2110 of nearly the second water conservancy diversion to far away 1/4th is 0.3mm, successively 1/4th the second water conservancy diversion projection 2110 between distance be 0.5mm, then the distance of the second water conservancy diversion projection 2110 of 1/4th is 0.7mm, the distance of the second water conservancy diversion projection 2110 of last 1/4th is 1mm.The height of the 3rd water conservancy diversion projection 2120 is 0.1mm, length is 1.2mm, distance between adjacent two the 3rd water conservancy diversion projections 2120 has 2 kinds, be respectively 0.7mm, 2mm, distance between from distance air inlet 10 from protruding 2120 adjacent two the 3rd water conservancy diversion projections 2120 of nearly the 3rd water conservancy diversion to half far away is 0.7mm, and the distance in addition between protruding 2120 adjacent two the 3rd water conservancy diversion projections 2120 of half the 3rd water conservancy diversion is 2mm.The present embodiment is only the individual instances of the technical program, not as the restriction to the technical program.
As shown in Figure 2, be result of calculation schematic diagram.Curve with rectangular dots in figure indicates that left side air flow is bigger than normal, and right side flow is less than normal, σ=0.273 without the flow distribution situation in each runner of bipolar plates of flow guide bar; The curve of the circular point of band represents the flow distribution situation in each runner of bipolar plates containing flow guide bar that the utility model embodiment provides, and in each runner, the flow of air is more or less the same, σ=0.019.The dual polar plates of proton exchange membrane fuel cell dispensing head that the utility model embodiment provides can improve the uniformity that reaction gas distributes in runner greatly, has certain directive significance to the performance improving Proton Exchange Membrane Fuel Cells.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a dual polar plates of proton exchange membrane fuel cell dispensing head, it is characterized in that, comprise air inlet and guiding region, one end of described guiding region is connected with described air inlet, the other end of described guiding region is connected with the runner of bipolar plates, described guiding region comprises many flow guide bars, and described flow guide bar is arrangement in " Z " font, and the airintake direction of described air inlet is consistent with described runner bearing of trend.
2. dual polar plates of proton exchange membrane fuel cell dispensing head according to claim 1, it is characterized in that, described flow guide bar comprises the first flow guide bar, second flow guide bar and the 3rd flow guide bar, described first flow guide bar, second flow guide bar and the 3rd flow guide bar near the position of described air inlet near to far arranging successively, the angle in described first flow guide bar and described inlet charge direction is the first angle, the angle in described second flow guide bar and described inlet charge direction is the second angle, described second angle is less than described first angle, described 3rd flow guide bar is vertical with described inlet charge direction.
3. dual polar plates of proton exchange membrane fuel cell dispensing head according to claim 2, it is characterized in that, it is protruding that described first flow guide bar comprises multiple first water conservancy diversion, and it is protruding that described second flow guide bar comprises multiple second water conservancy diversion, and it is protruding that described 3rd flow guide bar comprises multiple 3rd water conservancy diversion.
4. dual polar plates of proton exchange membrane fuel cell dispensing head according to claim 3, it is characterized in that, protruding, the described second water conservancy diversion projection of described first water conservancy diversion and described 3rd water conservancy diversion projection are the one in cuboid, strip prismatoid and strip cylinder.
5. dual polar plates of proton exchange membrane fuel cell dispensing head according to claim 3, is characterized in that, the height of described first water conservancy diversion projection is 0.05 ~ 0.1mm, and length is 0.8 ~ 1mm; The height of described second water conservancy diversion projection is 0.05 ~ 0.1mm, and length is 1 ~ 1.2mm; The height of described 3rd water conservancy diversion projection is 0.05 ~ 0.1mm, and length is 1 ~ 1.2mm.
6. dual polar plates of proton exchange membrane fuel cell dispensing head according to claim 3, is characterized in that, the distance on described first flow guide bar between adjacent two the first water conservancy diversion projections with apart from described air inlet near to far increasing gradually; Distance on described second flow guide bar between adjacent two described second water conservancy diversion projections with apart from described air inlet near to far increasing gradually; Distance on described 3rd flow guide bar between adjacent two described 3rd water conservancy diversion projections with apart from described air inlet near to far increasing gradually.
7. dual polar plates of proton exchange membrane fuel cell dispensing head according to claim 3, is characterized in that, described runner is parallel to each other, and is linear pattern or waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347705.0U CN204991855U (en) | 2015-05-26 | 2015-05-26 | Distribution head for bipolar plate of proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347705.0U CN204991855U (en) | 2015-05-26 | 2015-05-26 | Distribution head for bipolar plate of proton exchange membrane fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991855U true CN204991855U (en) | 2016-01-20 |
Family
ID=55126190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520347705.0U Withdrawn - After Issue CN204991855U (en) | 2015-05-26 | 2015-05-26 | Distribution head for bipolar plate of proton exchange membrane fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991855U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852068A (en) * | 2015-05-26 | 2015-08-19 | 昆山弗尔赛能源有限公司 | Proton exchange membrane fuel cell bipolar plate distributing head and design method thereof |
| CN106410237A (en) * | 2016-11-21 | 2017-02-15 | 清华大学 | Flow distribution apparatus and fuel cell system |
| CN109301279A (en) * | 2018-12-13 | 2019-02-01 | 上海交通大学 | A kind of Z-shaped fuel cell flow field board of gradual change |
| CN109830705A (en) * | 2019-03-01 | 2019-05-31 | 山东大学 | A kind of polar plate construction of fuel cell and pile |
-
2015
- 2015-05-26 CN CN201520347705.0U patent/CN204991855U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852068A (en) * | 2015-05-26 | 2015-08-19 | 昆山弗尔赛能源有限公司 | Proton exchange membrane fuel cell bipolar plate distributing head and design method thereof |
| CN104852068B (en) * | 2015-05-26 | 2017-08-01 | 苏州弗尔赛能源科技股份有限公司 | A kind of dual polar plates of proton exchange membrane fuel cell dispensing head and its design method |
| CN106410237A (en) * | 2016-11-21 | 2017-02-15 | 清华大学 | Flow distribution apparatus and fuel cell system |
| CN109301279A (en) * | 2018-12-13 | 2019-02-01 | 上海交通大学 | A kind of Z-shaped fuel cell flow field board of gradual change |
| CN109301279B (en) * | 2018-12-13 | 2021-08-03 | 上海交通大学 | Gradual change Z shape fuel cell flow field board |
| CN109830705A (en) * | 2019-03-01 | 2019-05-31 | 山东大学 | A kind of polar plate construction of fuel cell and pile |
| CN109830705B (en) * | 2019-03-01 | 2021-02-05 | 山东大学 | Fuel cell polar plate structure and electric pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204991855U (en) | Distribution head for bipolar plate of proton exchange membrane fuel cell | |
| CN101944618B (en) | Tree-structured flow field proton exchange membrane fuel cell bipolar plate | |
| CN102299343A (en) | Leaf biomimetic structure based bipolar plate for proton exchange membrane fuel cells | |
| CN103413956A (en) | Proton exchange membrane fuel cell channel | |
| CN110474065A (en) | Fuel battery pole board, bipolar plates and hydrogen fuel cell | |
| CN103746129B (en) | Optimize the proton membrane fuel battery runner of fuel cell drainage performance | |
| CN108110300B (en) | Solid oxide fuel cell stack and gas flow distribution plate for distributing gas for the same | |
| CN108963297A (en) | The waveform flow channels for proton exchange membrane fuel cells of convection current under a kind of reinforcing ridge | |
| CN103915638A (en) | Humidifier for fuel cells and fuel cell stack with humidifier | |
| CN102034986B (en) | Distribution head of bipolar plate for proton exchange membrane fuel cell | |
| CN106602100B (en) | Novel fuel cell flow field plate | |
| CN206931655U (en) | A kind of bipolar plates for increasing exchange membrane effective area | |
| CN211404636U (en) | Graphite-metal composite bipolar plate for super-high power proton exchange membrane fuel cell | |
| CN209374562U (en) | A kind of interior bipolar plates with wedge-shaped protrusion of runner | |
| CN104852068B (en) | A kind of dual polar plates of proton exchange membrane fuel cell dispensing head and its design method | |
| CN108470922B (en) | Fuel cell bipolar plate distribution head | |
| CN103346337A (en) | Fuel cell channel | |
| CN208923282U (en) | A kind of bipolar plates suitable for trapezoidal liquid flow battery | |
| CN2893939Y (en) | Proton exchange film fuel battery flow field structure | |
| CN211858802U (en) | Bipolar plate for fuel cell | |
| CN104900886A (en) | Metal bipolar plate with convection type cooling liquid flow field | |
| CN115188983A (en) | Solid oxide fuel cell bipolar plate connector | |
| CN204834755U (en) | Bridging formula metal bipolar plate | |
| CN202111177U (en) | Distribution head for bipolar plate of proton exchange membrane fuel cell | |
| CN203300684U (en) | A crystalline silicon solar cell sheet multipurpose series welding template |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20170801 |
|
| AV01 | Patent right actively abandoned |