CN114122478B - Fuel cell module and fuel cell for vehicle - Google Patents
Fuel cell module and fuel cell for vehicle Download PDFInfo
- Publication number
- CN114122478B CN114122478B CN202010900506.3A CN202010900506A CN114122478B CN 114122478 B CN114122478 B CN 114122478B CN 202010900506 A CN202010900506 A CN 202010900506A CN 114122478 B CN114122478 B CN 114122478B
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- fuel cell
- channel
- anode
- cathode
- cell assembly
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- 239000000446 fuel Substances 0.000 title claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04955—Shut-off or shut-down of fuel cells
-
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a fuel cell assembly and a fuel cell for a vehicle, the fuel cell assembly including: the electric pile comprises an electric pile body, N separation plates and a control device, wherein the N separation plates divide the electric pile body into N+1 electric pile modules, and the N+1 electric pile modules are sequentially distributed in the left-right direction; when the low-temperature cold start is needed, the control device can control any one or a plurality of the N+1 electric pile modules to be independently started or stopped, and when the normal operation is needed, the control device can control the N+1 electric pile modules to work simultaneously. The fuel cell assembly provided by the invention can effectively shorten the cold start time and improve the satisfaction of users.
Description
Technical Field
The present invention relates to the field of fuel cell technology, and in particular, to a fuel cell assembly and a fuel cell for a vehicle.
Background
With the continued development of hydrogen fuel cell automobiles, higher demands are being placed on how quickly cold start conditions are achieved. The traditional cold start needs to heat the whole electric pile, and the heating time is long, so that the cold start time of the electric pile is influenced. Accordingly, there is room for improvement in the above-described techniques.
Disclosure of Invention
In view of the above, the present invention is directed to a fuel cell assembly that can effectively shorten the time of cold start and improve user satisfaction.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a fuel cell assembly comprising: the electric pile comprises an electric pile body, N separation plates and a control device, wherein the N separation plates divide the electric pile body into N+1 electric pile modules, and the N+1 electric pile modules are sequentially distributed in the left-right direction; when the low-temperature cold start is needed, the control device can control any one or a plurality of the N+1 electric pile modules to be independently started or stopped, and when the normal operation is needed, the control device can control the N+1 electric pile modules to work simultaneously.
According to the fuel cell assembly provided by the embodiment of the invention, the starting of the single pile module is controlled by the control device to meet the starting power of the vehicle, so that the cold starting time can be effectively shortened, and the satisfaction degree of users is improved.
According to the fuel cell assembly of the embodiment of the invention, the stack body includes: the cathode plate is provided with a cathode flow field, the anode plate is provided with an anode flow field, the partition plate is provided with at least one cathode channel and at least one anode channel, at least one cathode channel is communicated with the cathode flow field, and at least one anode channel is communicated with the anode flow field.
According to the fuel cell assembly provided by the embodiment of the invention, the first valve and the second valve are arranged on the partition plate, the first valve is arranged in the cathode channel and used for controlling the on-off of the cathode channel, and the second valve is arranged in the anode channel and used for controlling the on-off of the anode channel.
According to the fuel cell assembly of the embodiment of the invention, the cathode channel comprises a cathode inlet channel and a cathode outlet channel which are arranged on the separation plate at intervals, the first valves are arranged in the cathode inlet channel and the cathode outlet channel, the anode channel comprises an anode inlet channel and an anode outlet channel which are arranged on the separation plate at intervals, and the second valves are arranged in the anode inlet channel and the anode outlet channel.
According to the fuel cell assembly provided by the embodiment of the invention, the cathode plate and the anode plate jointly define a cooling liquid channel, and the partition plate is provided with the cooling through holes which are communicated with the cooling liquid channel.
According to the fuel cell assembly provided by the embodiment of the invention, the third valve is arranged on the partition plate and is arranged in the cooling through hole to control the on-off of the cooling through hole.
According to the fuel cell assembly provided by the embodiment of the invention, the sensor is arranged on the separation plate, and the sensor is directly attached to the pile modules respectively positioned at the left side and the right side of the separation plate.
According to the fuel cell assembly of the embodiment of the invention, the plurality of pile modules comprise two pile modules, namely a first pile module and a second pile module, the first pile module is positioned at the left side of the second pile module, the separation plate is arranged between the first pile module and the second pile module, one of the two end plates is arranged at the leftmost side of the first pile module, and the other of the two end plates is arranged at the rightmost side of the second pile module.
The fuel cell assembly according to the embodiment of the invention further includes: the two end plates are respectively arranged at the leftmost end and the rightmost end of the pile body.
Compared with the prior art, the fuel cell assembly disclosed by the invention has the advantages that the starting of an independent electric pile module is controlled by the control device to meet the starting power of a vehicle, the cold starting time can be effectively shortened, and the satisfaction degree of users is improved.
A fuel cell for a vehicle according to a second aspect of the present invention is provided with the fuel cell assembly according to any one of the first aspect, further comprising: and the fuel cell assembly is packaged in the battery box body. The fuel cell for a vehicle has the same advantages as those of the fuel cell assembly described above over the prior art, and will not be described in detail herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic view of a fuel cell assembly according to an embodiment of the present invention.
Reference numerals:
100-fuel cell assembly, 1-end plate, 2-separator plate, 3-stack module, 31-first stack module, 32-second stack module.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
A fuel cell assembly 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 in conjunction with an embodiment. As shown in fig. 1, a fuel cell assembly 100 according to an embodiment of the present invention includes: the stack body, N partition plates 2, and a control device (not shown in the figure), where N is an integer greater than or equal to 1. Further, N partition plates 2 partition the pile body into n+1 pile modules 3, and the n+1 pile modules 3 are sequentially arranged in the left-right direction; further, when low-temperature cold start is needed, the control device can control any one or a plurality of the n+1 electric pile modules 3 to be started or stopped independently, that is, when low-temperature cold start is needed, the control device can control one or a plurality of electric pile modules 3 to be started according to actual working conditions, so that the starting condition is met on the premise of saving energy. Further, the control device may control the n+1 pile modules 3 to operate simultaneously when normal operation is required. Therefore, on one hand, the starting of an independent electric pile module is controlled by the control device to meet the starting power of the vehicle, the cold starting time can be effectively shortened, and the satisfaction degree of users is improved; on the other hand, in normal operation, the control device can control the plurality of pile modules 3 to work simultaneously, thereby being beneficial to enriching the control functions of the control device.
In the prior art, cold start requires heating the entire fuel cell assembly for a long period of time, which affects the cold start time of the fuel cell assembly. In the fuel cell assembly 100 of the embodiment of the invention, the control device controls the start of an individual electric pile module to meet the vehicle start power, so that the cold start time can be effectively shortened, and the satisfaction degree of users can be improved.
According to the fuel cell assembly 100 provided by the embodiment of the invention, the start of an individual electric pile module is controlled by the control device to meet the vehicle start power, so that the cold start time can be effectively shortened, and the satisfaction degree of users can be improved.
According to the fuel cell assembly 100 of the embodiment of the present invention, the stack body includes: a plurality of cathode plates (not shown) and a plurality of anode plates (not shown), further, a cathode flow field is provided on the cathode plates, and an anode flow field is provided on the anode plates. Further, at least one cathode channel (not shown) is provided on the separator plate 2, the cathode channel is in communication with the cathode flow field, and similarly, at least one anode channel (not shown) is provided on the separator plate 2, and the anode channel is in communication with the anode flow field. In the description of the present invention, "plurality" means two or more.
According to the fuel cell assembly 100 of the embodiment of the present invention, the separator 2 is provided with a first valve (not shown) and a second valve (not shown), further, the first valve is provided in the cathode channel to control the on-off of the cathode channel, and similarly, the second valve is provided in the anode channel to control the on-off of the anode channel. Therefore, when the control device is required to control the single pile module to work independently, the first valve and the second valve are simultaneously in the closed state, and thus the starting power of the vehicle is met through the starting of the single pile module, and the cold starting time can be effectively shortened. Further, when a plurality of pile modules 3 are required to operate simultaneously, the first valve and the second valve are simultaneously in an open state, so that sufficient kinetic energy can be provided for normal operation of the vehicle.
According to the fuel cell assembly 100 of the embodiment of the present invention, the cathode channels include the cathode inlet channels and the cathode outlet channels which are arranged on the separator plate 2 at intervals, and the first valves are provided in the cathode inlet channels and the cathode outlet channels, and the communication or closing between the cathode inlet channels of the plurality of electric pile modules 3 can be achieved through the first valves, and the communication or closing between the cathode outlet channels of the plurality of electric pile modules 3 can also be achieved through the first valves. Similarly, the anode channels include anode inlet channels and anode outlet channels arranged at intervals on the partition plate 2, and second valves are provided in the anode inlet channels and the anode outlet channels, through which communication or closing between the anode inlet channels of the plurality of pile modules 3 can be achieved, and through which communication or closing between the anode outlet channels of the plurality of pile modules 3 can also be achieved. In the description of the invention, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
According to the fuel cell assembly 100 of the embodiment of the invention, the cathode plate and the anode plate define together a coolant passage (not shown in the drawings), and specifically, the separator plate 2 is provided with a cooling through hole (not shown in the drawings) that communicates with the coolant passage. In the description of the invention, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
According to the fuel cell assembly 100 of the embodiment of the present invention, a third valve (not shown in the drawings) is provided on the separator plate 2, and further, the third valve is provided in the cooling through hole to control the on-off of the cooling through hole.
According to the fuel cell assembly 100 of the embodiment of the present invention, the separator 2 is provided with a sensor (not shown in the figure), specifically, the sensor is directly attached to the stack modules 3 respectively located on the left and right sides of the separator 2, which is beneficial to improving the accuracy of the sensor on the test results of the parameters related to the stack modules 3. Further, in a specific embodiment, the sensor may be a temperature sensor, so as to facilitate real-time detection of the temperature of the galvanic pile module 3; in another specific embodiment, the sensor may be a pressure sensor, so that the pressure between the stack modules 3 may be detected from time to time. Of course, the sensor is various in type and can be set according to actual needs.
The fuel cell assembly 100 according to the embodiment of the present invention, as shown in fig. 1, further includes: the two end plates 1, further, the two end plates 1 are respectively arranged at the leftmost end and the rightmost end of the pile body. The firmness of the fuel cell assembly 100 can be improved by the two end plates 1.
According to the fuel cell assembly 100 of the embodiment of the present invention, as shown in fig. 1, the plurality of stack modules 3 includes two, specifically, a first stack module 31 and a second stack module 32, respectively, further, the first stack module 31 is located at the left side of the second stack module 32, further, the partition plate 2 is provided between the first stack module 31 and the second stack module 32, one of the two end plates 1 is provided at the leftmost side of the first stack module 31, and the other of the two end plates 1 is provided at the rightmost side of the second stack module 32.
In summary, the fuel cell assembly 100 according to the embodiment of the invention controls the start of an individual stack module to meet the vehicle start power by the control device, so that the cold start time can be effectively shortened, and the satisfaction of the user can be improved.
The present invention also provides a fuel cell for a vehicle including the fuel cell assembly 100 described above, further comprising: a battery case (not shown in the drawings), in particular, the fuel cell assembly 100 is enclosed in the battery case, which is advantageous in improving the sealability of the fuel cell assembly 100. In summary, the fuel cell for a vehicle according to the second aspect of the present invention has advantages of shorter cold start time, higher customer satisfaction, and the like.
The invention also provides a vehicle which comprises the fuel cell for the vehicle, thereby having the advantages of shorter cold start time, higher customer satisfaction and the like.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A fuel cell assembly (100), characterized by comprising:
a galvanic pile body;
the N separation plates (2), N separation plates (2) divide the electric pile body into N+1 electric pile modules (3), and the N+1 electric pile modules (3) are sequentially distributed in the left-right direction;
the control device can control any one or a plurality of the N+1 electric pile modules (3) to be independently started or stopped when low-temperature cold start is needed, and can control the N+1 electric pile modules (3) to work simultaneously when normal operation is needed;
the galvanic pile module (3) comprises: the cathode plate is provided with a cathode flow field, the anode plate is provided with an anode flow field, the partition plate (2) is provided with at least one cathode channel and at least one anode channel, at least one cathode channel is communicated with the cathode flow field, and at least one anode channel is communicated with the anode flow field;
the separator (2) is provided with a first valve and a second valve, the first valve is arranged in the cathode channel and used for controlling the on-off of the cathode channel, and the second valve is arranged in the anode channel and used for controlling the on-off of the anode channel.
2. The fuel cell assembly (100) according to claim 1, wherein the cathode channels comprise a cathode inlet channel and a cathode outlet channel arranged at a distance from each other on the separator plate (2), wherein the first valve is provided in each of the cathode inlet channel and the cathode outlet channel, wherein the anode channels comprise an anode inlet channel and an anode outlet channel arranged at a distance from each other on the separator plate (2), wherein the second valve is provided in each of the anode inlet channel and the anode outlet channel.
3. The fuel cell assembly (100) according to any one of claims 1-2, wherein the cathode plate and the anode plate together define a coolant channel, and wherein a cooling through hole is provided in the separator plate (2), the cooling through hole being in communication with the coolant channel.
4. A fuel cell assembly (100) according to claim 3, wherein a third valve is provided on the separator plate (2), the third valve being provided in the cooling through hole for controlling the on-off of the cooling through hole.
5. The fuel cell assembly (100) according to claim 1, wherein a sensor is provided on the separator plate (2), and the sensor is directly attached to the stack modules (3) located on the left and right sides of the separator plate (2), respectively.
6. The fuel cell assembly (100) according to claim 1, further comprising: the two end plates (1) are respectively arranged at the leftmost end and the rightmost end of the pile body.
7. The fuel cell assembly (100) according to claim 6, wherein the plurality of pile modules (3) includes two, a first pile module (31) and a second pile module (32), respectively, the first pile module (31) being located on the left side of the second pile module (32), the partition plate (2) being provided between the first pile module (31) and the second pile module (32), one of the two end plates (1) being provided on the leftmost side of the first pile module (31), and the other of the two end plates (1) being provided on the rightmost side of the second pile module (32).
8. A fuel cell for a vehicle, comprising:
the fuel cell assembly (100) according to any one of claims 1-7;
a battery case in which the fuel cell assembly (100) is enclosed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900506.3A CN114122478B (en) | 2020-08-31 | 2020-08-31 | Fuel cell module and fuel cell for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900506.3A CN114122478B (en) | 2020-08-31 | 2020-08-31 | Fuel cell module and fuel cell for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114122478A CN114122478A (en) | 2022-03-01 |
| CN114122478B true CN114122478B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010900506.3A Active CN114122478B (en) | 2020-08-31 | 2020-08-31 | Fuel cell module and fuel cell for vehicle |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709460B (en) * | 2022-03-16 | 2023-12-19 | 东风汽车集团股份有限公司 | Dual system for fuel cell and start control method thereof |
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|---|---|---|---|---|
| JP2008068640A (en) * | 2006-09-12 | 2008-03-27 | Toyota Motor Corp | Fuel cell vehicle |
| JP2008258017A (en) * | 2007-04-05 | 2008-10-23 | Nidec Sankyo Corp | Control device for fuel cell |
| JP2009266534A (en) * | 2008-04-24 | 2009-11-12 | Toyota Motor Corp | Fuel cell system |
| CN103219535A (en) * | 2013-05-10 | 2013-07-24 | 天津大学 | Method for controlling cold starting of proton exchange membrane fuel battery stack |
| CN110682832A (en) * | 2019-10-21 | 2020-01-14 | 上海捷氢科技有限公司 | Hybrid operation method and device of fuel cell vehicle |
| JP2020078113A (en) * | 2018-11-05 | 2020-05-21 | 株式会社Ｎｔｔドコモ | Control device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6911277B2 (en) * | 2002-05-01 | 2005-06-28 | General Motors Corporation | Device and method to expand operating range of a fuel cell stack |
| DE102005051583A1 (en) * | 2005-10-27 | 2007-05-03 | Airbus Deutschland Gmbh | Fuel cell system for the supply of aircraft |
-
2020
- 2020-08-31 CN CN202010900506.3A patent/CN114122478B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008068640A (en) * | 2006-09-12 | 2008-03-27 | Toyota Motor Corp | Fuel cell vehicle |
| JP2008258017A (en) * | 2007-04-05 | 2008-10-23 | Nidec Sankyo Corp | Control device for fuel cell |
| JP2009266534A (en) * | 2008-04-24 | 2009-11-12 | Toyota Motor Corp | Fuel cell system |
| CN103219535A (en) * | 2013-05-10 | 2013-07-24 | 天津大学 | Method for controlling cold starting of proton exchange membrane fuel battery stack |
| JP2020078113A (en) * | 2018-11-05 | 2020-05-21 | 株式会社Ｎｔｔドコモ | Control device |
| CN110682832A (en) * | 2019-10-21 | 2020-01-14 | 上海捷氢科技有限公司 | Hybrid operation method and device of fuel cell vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114122478A (en) | 2022-03-01 |
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