CN111785987A - Flow field type heat sink for bipolar plate - Google Patents
Flow field type heat sink for bipolar plate Download PDFInfo
- Publication number
- CN111785987A CN111785987A CN202010744870.5A CN202010744870A CN111785987A CN 111785987 A CN111785987 A CN 111785987A CN 202010744870 A CN202010744870 A CN 202010744870A CN 111785987 A CN111785987 A CN 111785987A
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- diffusion layer
- air diffusion
- plate
- flow field
- adjacent
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- 238000009792 diffusion process Methods 0.000 claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 15
- 238000010030 laminating Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000012528 membrane Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
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
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- 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 invention discloses a flow field type heat dissipation device for a bipolar plate, and belongs to the technical field of heat dissipation of fuel cells. The invention comprises a flow distribution plate positioned between a cathode plate and an air diffusion layer, wherein concave parts are distributed on two surfaces of the flow distribution plate in an array manner, the concave parts and the cathode plate form a first cavity and a second cavity with the air diffusion layer, the adjacent first cavities and the adjacent second cavities are mutually communicated, contact parts are arranged on the concave parts and are attached to the cathode plate or the air diffusion layer, the concave parts are arranged in rows, the concave directions of the adjacent two concave parts are opposite or the same, ports are arranged on the concave parts, the adjacent first cavities and the adjacent second cavities are mutually communicated through the ports, drainage plates are arranged on the concave parts, the drainage plates are obliquely arranged relative to the air diffusion layer, and the liquid level of the drainage plates faces the air diffusion layer. The invention greatly improves the electric conduction and heat conduction performance by forming the contact surfaces at the upper end and the lower end of the flow field.
Description
Technical Field
The invention belongs to the technical field of fuel cell heat dissipation, and particularly relates to a flow field type heat dissipation device for a bipolar plate.
Background
At present, the metal bipolar plate is used as a core component of a fuel cell, and has important functions of supporting a membrane electrode structure, separating hydrogen and oxygen, collecting electrons, conducting heat, providing hydrogen and oxygen channels, discharging water generated by reaction, providing a coolant flow channel and the like, and the performance of the metal bipolar plate depends on the flow field structure to a great extent. The conventional flow field structure of the metal bipolar plate has a straight channel, a snake shape, a spiral shape, an interdigital shape, a grid shape and the like, and meanwhile, a novel flow field, such as a bionic flow field, a 3D flow field and the like, is continuously developed, the conventional 3D flow field on the air side is in point or line contact with the liquid-cooled metal bipolar plate and the air diffusion layer, the contact area is less than 1%, the electric conduction and heat conduction performance of the conventional flow field is very poor, the contact resistance is increased due to point or surface contact, the heat is serious when current flows through the conventional flow field structure, and meanwhile, the heat on the membrane electrode cannot be timely conducted to the surface of the liquid-cooled metal bipolar plate, so that the membrane electrode.
Disclosure of Invention
The invention aims to provide a flow field type heat dissipation device for a bipolar plate, which greatly improves the electric conduction and heat conduction performance of the flow field by forming contact surfaces at the upper end and the lower end of the flow field, and avoids the defects of membrane electrode cracking, hydrogen leakage and the like caused by overhigh current heating and overhigh temperature of a membrane electrode due to the obstruction of a heat transfer channel caused by poor contact.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a flow field type heat dissipation device for a bipolar plate, which comprises a flow distribution plate positioned between a cathode plate and an air diffusion layer, wherein concave parts are distributed on two surfaces of the flow distribution plate in an array manner, the concave parts and the cathode plate form a first cavity and a second cavity with the air diffusion layer, the adjacent first cavity and the adjacent second cavity are communicated, a contact part is arranged on each concave part, and the contact part is attached to the cathode plate or the air diffusion layer.
Further, the concave parts are arranged in rows, and the concave directions of two adjacent concave parts are opposite or the same.
Furthermore, the concave part is provided with a port, the adjacent first cavities and the second cavities are communicated with each other through the port, and the adjacent two first cavities or the adjacent two second cavities are communicated through the edge gap of the concave part.
Furthermore, the air diffusion layer is attached to the contact part on the concave part, the cathode plate is attached to the concave part which is concave towards the direction of the cathode plate, and the air diffusion layer is attached to the contact part on the concave part.
Further, the sunken part is provided with a drainage plate, the drainage plate is inclined relative to the air diffusion layer, and the drainage plate faces the liquid level and faces the air diffusion layer.
Further, the contact portion is a flat plate, and the size of the contact surface is 0.1mm × 0.1mm to 10mm × 10 mm.
Further, the area of the contact portion to which the air diffusion layer is attached is not larger than the area of the contact portion to which the cathode plate 2 is attached.
Further, the depressions are "hexagonal" shaped depressions or "corrugated" shaped depressions.
Furthermore, in the hexagonal recess, a notch is formed on the port of the recess.
Further, the "corrugated" type depressions are bi-directional corrugated structures.
The invention has the following beneficial effects:
the invention forms contact surfaces at the upper end and the lower end of the flow field, greatly improves the electric conduction performance and the heat conduction performance of the flow field, avoids the defects of membrane electrode breakage, hydrogen leakage and the like caused by overlarge current heating and overhigh membrane electrode temperature caused by blocked heat transfer channels due to poor contact, controls the flow direction of water at the cathode plate and the air diffusion layer through the flow distribution plate, leads the water to be flushed to the air diffusion layer, further leads the gas in the water to have certain impact action on the surface of the air diffusion layer in the flow process, and leads more gas to enter the air diffusion layer due to the generated forced convection effect.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a flow field heat sink for a bipolar plate;
FIG. 2 is an enlarged view of FIG. 1A;
FIG. 3 is a block diagram of a flow field heat sink for a bipolar plate;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a view showing the construction of a "hexagonal" type depressed portion drainage plate;
FIG. 6 is a structural view of a "corrugated" type depressed portion drainage plate;
FIG. 7 is a block diagram of a two-way "corrugated" type depressed portion drainage plate;
in the drawings, the components represented by the respective reference numerals are listed below:
1-anode plate, 2-cathode plate, 3-flow distribution plate, 4-air diffusion layer, 5-proton exchange membrane, 6-cooling flow cavity, 301-contact part, 302-flow guide plate, 303-first cavity, 304-second cavity, 305-notch, 306-port and 307-concave part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-7, the present invention is a flow field heat sink for bipolar plate:
wherein, for part of the anode plate 1, the cathode plate 2, the air diffusion layer 4 and the proton exchange membrane 5 in the fuel cell, in the heat dissipation of the anode plate 1 and the cathode plate 2, the anode plate 1 is designed into a corrugated shape, the flow of cooling liquid is cooled by forming a channel between the corrugated anode plate 1 and the corrugated cathode plate 2, and in addition, a splitter plate 3 is arranged between the cathode plate 2 and the air diffusion layer 4 to form a flow field.
Wherein, flow distribution plate 3 is for integral design, for with integral flow distribution plate 3, the equal array of two surfaces of flow distribution plate 3 distributes has depressed part 307, and specific depressed part 307 arranges in rows, and wherein, two adjacent depressed part 307 sunken opposite directions or the same.
The corresponding concave part 307 and the cathode plate 2 form a first cavity 303 and a second cavity 304 with the air diffusion layer 4, the adjacent first cavity 303 and the second cavity 304 are communicated with each other, water generated in the fuel cell is discharged, and split flow is performed to generate a non-fixed flow channel, so that gas in the water is dispersed more uniformly.
Specifically, the contact portion 301 is located at a bottom cavity portion of the recess portion 307, the recess portion 307 is provided with a port 306, the port 306 is divided into a water inlet and a water outlet according to the flow direction of water, the adjacent first cavity 303 and the adjacent second cavity 304 are communicated with each other through the port 306, and the water outlet of one cavity is overlapped with the water inlet of the other cavity in a specific presentation.
After the concave portion 307 is formed, the concave portion 307 and the adjacent concave portion 307 form a gap, and the adjacent two first cavities 303 are communicated with each other through the gap between the edges of the concave portion 307, and the adjacent two second cavities 304 are communicated with each other through the gap between the edges of the concave portion 307.
A depressed portion 307 depressed toward the air diffusion layer 4, the contact portion 301 on the depressed portion 307 being bonded to the air diffusion layer 4, and the depressed portion 307 depressed toward the cathode plate 2, the contact portion 301 on the depressed portion 307 being bonded to the cathode plate 2.
Importantly, the concave part 307 is provided with the contact part 301, the contact part 301 is attached to the cathode plate 2 or the air diffusion layer 4, the contact area is increased through the contact part 301, the resistance generated when the air diffusion layer 4 and the cathode plate 2 are connected with the flow distribution plate 3 is sequentially reduced, the heat generation of current flowing through the resistance is further reduced, and correspondingly, the conduction of heat is increased through increasing the contact area.
The contact portion 301 is a flat plate, and the size of the contact surface is 0.1mm × 0.1mm to 10mm × 10 mm.
Further, the area of the contact part 301 attached to the air diffusion layer 4 is not larger than that of the contact part 301 attached to the cathode plate 2, and after the total contact area is determined, the area of the contact part 301 attached to the air diffusion layer 4 is controlled, so that the contact area between water and the air diffusion layer 4 is increased, and the gas in the water can more easily pass through the air diffusion layer 4.
Further, the concave portion 307 is provided with a flow guide plate 302, the flow guide plate 302 is obliquely arranged relative to the air diffusion layer 4, and the flow guide plate 302 faces the liquid level and faces the air diffusion layer 4.
The flowing directions of water in the cathode plate 2 and the air diffusion layer 4 are controlled to enable the water to impact the air diffusion layer 4, so that the gas in the water has a certain impact effect on the surface of the air diffusion layer 4 in the flowing process, and the generated forced convection effect enables more gas to enter the air diffusion layer 4.
Specifically, as shown in fig. 5, the recess 307 is a "hexagonal" recess, that is, the recess 307 is formed by connecting three hexagonal plates to three sides of a square contact 301, and the other side is a port 306, wherein the three hexagonal plates are also shared by the recesses 307 adjacent to the recess 307 and facing in opposite directions, and the shape structure of the recess can use three trapezoidal plates as an array unit, that is, a square contact and three half hexagonal plates connected to the edges of the square contact.
The edge of the port 306 is provided with a notch 5, and the stamping forming difficulty of the concave part 307 can be reduced through the notch 5.
Specifically, as shown in fig. 6, the recessed portion 307 is "corrugated", and is obliquely disposed on the splitter plate 3, the two "corrugated" recessed portions 307 serve as an array unit on the splitter plate 3, the two recessed portions 307 leading to the recessed "corrugated" are divided into a tail section and a cavity section, a port of the cavity section serves as a water inlet, a contact portion 301 is disposed on the top of the cavity section, an edge of the tail section abuts against the air diffusion layer 4, and the two edges are respectively connected with an edge of one cavity section, the tail section is communicated with the cavity section of the third "corrugated" recessed portion 307, the tail section is narrower than the cavity section, a wider end portion of the cavity section serves as a water outlet, and the water flows into the two cavity sections communicated with the cavity section.
Specifically, as shown in fig. 7, in the modified structure of the "corrugated" type concave portion 307, two "corrugated" type concave portions 307 are used as an array unit on the splitter plate 3, one concave portion 307 in one array unit is a tail section and the other is a cavity section, the concave directions of the two are opposite to each other to form a bidirectional corrugated structure, and in the water flowing direction, the cavity section and the tail section which are sequentially connected in the same row are corrugated.
Wherein the "corrugated" shaped depression 307 is not notched 305.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The flow field type heat dissipation device for the bipolar plate is characterized in that: including flow distribution plate (3) that are located between negative plate (2) and air diffusion layer (4), the equal array in two surfaces of flow distribution plate (3) distributes and has depressed part (307), depressed part (307) and negative plate (2) form first cavity (303) and with air diffusion layer (4) between form second cavity (304), adjacent first cavity (303) and second cavity (304) communicate with each other, contact site (301) have on depressed part (307), contact site (301) laminating negative plate (2) or air diffusion layer (4).
2. The flow field heat sink for bipolar plates according to claim 1, wherein the dimples (307) are arranged in rows, and the direction of the dimples is opposite or the same for two adjacent dimples (307).
3. The flow field heat sink for bipolar plates according to claim 2, wherein the recess (307) has a port (306), the adjacent first cavities (303) and the adjacent second cavities (304) are communicated with each other through the port (306), and the adjacent first cavities (303) or the adjacent second cavities (304) are communicated with each other through the edge gap of the recess (307).
4. The flow field heat sink for a bipolar plate according to claim 1, wherein the air diffusion layer (4) is attached to a recessed portion (307) recessed in the direction of the air diffusion layer (4), the air diffusion layer (4) is attached to a contact portion (301) on the recessed portion (307), the cathode plate (2) is attached to the recessed portion (307) recessed in the direction of the cathode plate (2), and the contact portion (301) on the recessed portion (307) is attached to the cathode plate (2).
5. A flow-field heat sink for bipolar plates according to any of claims 1 to 4, characterised in that the depression (307) has a flow guiding plate (302), the flow guiding plate (302) is arranged obliquely with respect to the air diffusion layer (4), and the flow guiding plate (302) faces the liquid surface towards the air diffusion layer (4).
6. Flow field heat sink for bipolar plates according to claim 5, characterised in that the contact portions (301) are flat plates with contact surfaces of dimensions 0.1mm x 0.1mm to 10mm x 10 mm.
7. A flow field heat sink for bipolar plates according to claim 5, characterised in that the area of the contact portion (301) to the air diffusion layer (4) is not larger than the area of the contact portion (301) to the cathode plate (2).
8. The flow field heat sink for bipolar plates according to claim 5, wherein the depressions (307) are "hexagonal" shaped depressions or "corrugated" shaped depressions.
9. The flow field heat sink for bipolar plate according to claim 8, wherein the hexagonal recess has a notch (305) at the end (306) of the recess (307).
10. The flow field heat sink for bipolar plates according to claim 8, wherein the "corrugated" depressions are bi-directionally corrugated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744870.5A CN111785987A (en) | 2020-07-29 | 2020-07-29 | Flow field type heat sink for bipolar plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744870.5A CN111785987A (en) | 2020-07-29 | 2020-07-29 | Flow field type heat sink for bipolar plate |
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| Publication Number | Publication Date |
|---|---|
| CN111785987A true CN111785987A (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010744870.5A Pending CN111785987A (en) | 2020-07-29 | 2020-07-29 | Flow field type heat sink for bipolar plate |
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| Country | Link |
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| CN (1) | CN111785987A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934290A (en) * | 2022-03-09 | 2022-08-23 | 氢克新能源技术(上海)有限公司 | Gas diffusion layer and processing technology thereof |
| CN117448858A (en) * | 2023-10-18 | 2024-01-26 | 三一氢能有限公司 | Flow field structure and electrolytic tank |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090239120A1 (en) * | 2006-10-25 | 2009-09-24 | Kazunari Moteki | Gas diffusion layer in a fuel cell |
| CN101983452A (en) * | 2008-07-30 | 2011-03-02 | 丰田车体株式会社 | Power generating cell for fuel cell |
| US20110244369A1 (en) * | 2009-04-13 | 2011-10-06 | Toyota Shatai Kabushiki Kaisha | Gas channel forming member in fuel cell, method for manufacturing same, and device for molding same |
| US20120009489A1 (en) * | 2009-03-31 | 2012-01-12 | Toyota Shatai Kabushiki Kaisha | Fuel battery |
| CN102598379A (en) * | 2009-03-31 | 2012-07-18 | 丰田车体株式会社 | Fuel cell |
| CN102782918A (en) * | 2011-02-21 | 2012-11-14 | 丰田自动车株式会社 | Fuel cell |
| US20120308913A1 (en) * | 2010-03-02 | 2012-12-06 | Toyota Jidosha Kabushiki Kaisha | Controlling fuel cell |
| CN103000918A (en) * | 2011-09-09 | 2013-03-27 | 现代自动车株式会社 | Separator for fuel cell |
| CN103477485A (en) * | 2011-04-18 | 2013-12-25 | 丰田车体株式会社 | Fuel cell |
| CN106169591A (en) * | 2015-05-18 | 2016-11-30 | 现代自动车株式会社 | Fuel cell porous separator |
| JP2017130364A (en) * | 2016-01-20 | 2017-07-27 | トヨタ自動車株式会社 | Fuel battery |
| CN109478657A (en) * | 2016-07-25 | 2019-03-15 | 株式会社Lg化学 | Demarcation plate and fuel cell pack including the demarcation plate |
| US20190103616A1 (en) * | 2017-10-04 | 2019-04-04 | Toyota Shatai Kabushiki Kaisha | Gas flow passage formation plate for fuel cell and fuel cell stack |
| CN212257566U (en) * | 2020-07-29 | 2020-12-29 | 杭州祥博传热科技股份有限公司 | Flow field type heat sink for bipolar plate |
-
2020
- 2020-07-29 CN CN202010744870.5A patent/CN111785987A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090239120A1 (en) * | 2006-10-25 | 2009-09-24 | Kazunari Moteki | Gas diffusion layer in a fuel cell |
| CN101983452A (en) * | 2008-07-30 | 2011-03-02 | 丰田车体株式会社 | Power generating cell for fuel cell |
| US20120009489A1 (en) * | 2009-03-31 | 2012-01-12 | Toyota Shatai Kabushiki Kaisha | Fuel battery |
| CN102598379A (en) * | 2009-03-31 | 2012-07-18 | 丰田车体株式会社 | Fuel cell |
| US20110244369A1 (en) * | 2009-04-13 | 2011-10-06 | Toyota Shatai Kabushiki Kaisha | Gas channel forming member in fuel cell, method for manufacturing same, and device for molding same |
| CN102265442A (en) * | 2009-04-13 | 2011-11-30 | 丰田车体株式会社 | Gas channel forming member in fuel cell, method for manufacturing same, and device for molding same |
| US20120308913A1 (en) * | 2010-03-02 | 2012-12-06 | Toyota Jidosha Kabushiki Kaisha | Controlling fuel cell |
| US20130052551A1 (en) * | 2011-02-21 | 2013-02-28 | Toyota Jidosha Kabushiki Kaisha | Fuel cell |
| CN102782918A (en) * | 2011-02-21 | 2012-11-14 | 丰田自动车株式会社 | Fuel cell |
| CN103477485A (en) * | 2011-04-18 | 2013-12-25 | 丰田车体株式会社 | Fuel cell |
| CN103000918A (en) * | 2011-09-09 | 2013-03-27 | 现代自动车株式会社 | Separator for fuel cell |
| CN106169591A (en) * | 2015-05-18 | 2016-11-30 | 现代自动车株式会社 | Fuel cell porous separator |
| JP2017130364A (en) * | 2016-01-20 | 2017-07-27 | トヨタ自動車株式会社 | Fuel battery |
| CN109478657A (en) * | 2016-07-25 | 2019-03-15 | 株式会社Lg化学 | Demarcation plate and fuel cell pack including the demarcation plate |
| US20190103616A1 (en) * | 2017-10-04 | 2019-04-04 | Toyota Shatai Kabushiki Kaisha | Gas flow passage formation plate for fuel cell and fuel cell stack |
| CN212257566U (en) * | 2020-07-29 | 2020-12-29 | 杭州祥博传热科技股份有限公司 | Flow field type heat sink for bipolar plate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934290A (en) * | 2022-03-09 | 2022-08-23 | 氢克新能源技术(上海)有限公司 | Gas diffusion layer and processing technology thereof |
| CN114934290B (en) * | 2022-03-09 | 2024-01-30 | 氢克新能源技术(上海)有限公司 | Gas diffusion layer and processing technology thereof |
| CN117448858A (en) * | 2023-10-18 | 2024-01-26 | 三一氢能有限公司 | Flow field structure and electrolytic tank |
| CN117448858B (en) * | 2023-10-18 | 2024-04-19 | 三一氢能有限公司 | Flow field structure and electrolytic tank |
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