CN113594495A - Device for improving adaptability of air-cooled fuel cell stack to low-temperature environment - Google Patents
Device for improving adaptability of air-cooled fuel cell stack to low-temperature environment Download PDFInfo
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- CN113594495A CN113594495A CN202110887306.3A CN202110887306A CN113594495A CN 113594495 A CN113594495 A CN 113594495A CN 202110887306 A CN202110887306 A CN 202110887306A CN 113594495 A CN113594495 A CN 113594495A
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- air
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- 239000000446 fuel Substances 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
-
- 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
Abstract
The utility model provides an improve device of forced air cooling fuel cell pile low temperature environment adaptability, includes a casing, and the one end of casing is provided with the opening, follows in the casing open-ended axial be provided with a baffle, the baffle is separated the inner chamber middle part of casing for inlet air duct and air exhaust channel, one side of baffle, the entrance of air exhaust channel are provided with the pile, are provided with the fan in the air exhaust channel, are provided with the baffle in the casing, fixedly connected with pivot on the baffle, are provided with pivot rotary drive mechanism between pivot and the casing. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment recycles the heat released by the fuel cell during the operation without additional heating, so that the fuel cell can maintain higher operation temperature in the low-temperature environment, the operation is stable, and the limit of the low-temperature environment on the air-cooled fuel cell is broken. The inlet air temperature is higher, so that the temperatures of the front side and the rear side of the fuel cell stack are more uniform, and the service life of the fuel cell stack can be prolonged.
Description
Technical Field
The invention relates to the field of electricity, in particular to an air-cooled fuel cell, and specifically relates to a device for improving the adaptability of an air-cooled fuel cell stack to a low-temperature environment.
Background
The proton exchange membrane fuel cell is a device for directly converting chemical energy of hydrogen and oxygen in air into electric energy, has the advantages of high energy conversion efficiency, no pollution, low noise, safety, reliability and the like, draws attention of people, and is widely applied in many fields. The existing fuel cell structures are mainly divided into two types: open cathode fuel cells and closed cathode fuel cells. The cathode closed type fuel cell has special cooling flow channels, a water pump, a radiator, a cooling water tank and the like, the environmental adaptability and the stability of the system are good, but the complexity of a galvanic pile structure and a control system is greatly increased by the cooling system, and the cathode closed type fuel cell is generally applied to a large-scale fuel cell system, such as a vehicle, a standby power supply and the like. Open fuel cell of negative pole, that is to say that air-cooled fuel cell, through special structural design, through the fan air-intake, not only be used as fuel cell's reaction gas, can also take away the heat that the reaction produced simultaneously, cool off the battery, unite two into one air supply and system heat dissipation, simplified the system, be particularly suitable for portable fuel cell and unmanned aerial vehicle etc. to the relatively sensitive application of weight. However, the metering ratio of the air flow at the cathode side of the fuel cell is generally high, the air flow with the stoichiometric ratio of more than ten times or even more than one hundred times passes through the fuel cell, and the fuel cell is greatly influenced by the temperature of the use environment. When the operating temperature of the fuel cell stack is too low, moisture generated by air measurement of the fuel cell cannot be timely discharged out of the cathode to cause cathode flooding, so that performance is reduced, even the cathode is reversed, even the cathode side is frozen, and the fuel cell cannot operate for a long time at low temperature. The air-cooled fuel cell products reported at present are mostly 0-40 ℃ in the use environment temperature and cannot meet the use requirement in the low-temperature environment. In addition, even above zero degrees centigrade, if the room temperature is lower, for example lower than 10 ℃, the air inlet temperature of the air-cooled fuel cell stack is low, which causes the temperature of the air inlet side and the air outlet side of the stack to be uneven, and the temperature of the stack to be uneven, not only affects the performance output of the fuel cell, but also damages the service life of the fuel cell. Patent WO2014/184549a1 filed by smart energy limited company mentioned preheating the stack by changing the exhaust gas of the open cathode of the stack multiple times by using a plasma discharge fan, and CN104662722A mentioned preheating the stack by changing the inlet gas and the outlet gas of the cathode of the stack multiple times by using multiple sets of fans. However, the cathode cooling air ducts of the electric pile mentioned in the two patents are used for inputting fresh air and returning preheated circulating air at the same time, which easily causes the uneven air flow of the cathode side, and the concentration difference of the cathode side inside the electric pile is large, thus affecting the performance and the service life of the electric pile. In order to realize the function, a plurality of groups of fan sets are required to be matched, the structure is complex, and the portable fuel cell system is not suitable for a portable fuel cell system which has smaller power and only 1-2 small fans.
Disclosure of Invention
The invention aims to provide a device for improving the adaptability of an air-cooled fuel cell stack to a low-temperature environment, and the device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment aims to solve the technical problem that the air-cooled fuel cell in the prior art cannot operate for a long time in the low-temperature environment.
The invention relates to a device for improving the adaptability of an air-cooled fuel cell pile to a low-temperature environment, which comprises a shell, wherein one end of the shell is provided with an opening, a partition plate is arranged in the shell along the axial direction of the opening, the middle part of an inner cavity of the shell is divided into an air inlet channel and an air exhaust channel by the partition plate, the pile is arranged at one side of the partition plate and the inlet of the air exhaust channel, an air inlet of the pile is oppositely arranged with the closed end of the shell and communicated with the air inlet channel, a fan is arranged in the air exhaust channel, a baffle plate is arranged in the shell and positioned between the partition plate and the opening of the shell, a rotating shaft is fixedly connected onto the baffle plate, the rotating shaft is perpendicular to the axial direction of the opening of the shell and is connected with the shell, and a rotating shaft rotating driving mechanism is arranged between the rotating shaft and the shell.
Furthermore, the rotating shaft rotation driving mechanism comprises a controller and a motor, the motor and the shell are relatively fixedly arranged, the rotating shaft is connected with an output shaft of the motor through a transmission mechanism, a control end of the motor is connected with a signal output end of the controller, a temperature sensor is arranged outside the shell, and the signal output end of the temperature sensor is connected with a signal input end of the controller.
Furthermore, the baffle include first baffle and second baffle, first baffle and second baffle set up respectively in exhaust passageway and inlet air duct, the pivot includes first pivot and second pivot, first baffle and second baffle respectively with first pivot and second pivot fixed connection.
Furthermore, the rotating shaft rotation driving mechanism comprises a controller, a first motor and a second motor, the first rotating shaft is connected with an output shaft of the first motor through a first transmission mechanism, the second rotating shaft is connected with an output shaft of the second motor through a second transmission mechanism, a control end of the motor is connected with a signal output end of the controller, a temperature sensor is arranged outside the shell, and a signal output end of the temperature sensor is connected with a signal input end of the controller.
Or the baffle is composed of a large-diameter baffle, and the diameter of the large-diameter baffle is larger than that of the air exhaust channel and that of the air inlet channel.
Furthermore, the inner wall of the closed end of the shell is a concave cambered surface.
Compared with the prior art, the invention has positive and obvious effect. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment recycles the heat released by the fuel cell during the operation without additional heating, so that the fuel cell can maintain higher operation temperature in the low-temperature environment, the operation is stable, and the limit of the low-temperature environment on the air-cooled fuel cell is broken. The inlet air temperature is higher, so that the temperatures of the front side and the rear side of the fuel cell stack are more uniform, and the service life of the fuel cell stack can be prolonged.
Drawings
Fig. 1 is a schematic diagram illustrating a state in which a first baffle and a second baffle are placed horizontally in an apparatus for improving adaptability of an air-cooled fuel cell stack to a low-temperature environment according to the present invention.
Fig. 2 is a schematic diagram illustrating a state of the first baffle and the second baffle after rotation in the apparatus for improving adaptability of the air-cooled fuel cell stack to the low-temperature environment according to the present invention.
Fig. 3 is a schematic diagram showing the state of the large-diameter baffle plate after rotation in the device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment.
Detailed Description
The present invention will be further described with reference to the drawings and examples, but the present invention is not limited to the examples, and all similar structures and similar variations using the present invention shall fall within the scope of the present invention.
Example 1
As shown in fig. 1, 2 and 3, the device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment comprises a casing 6, an opening is formed in one end of the casing 6, a partition plate 8 is arranged in the casing 6 along the axial direction of the opening, the middle of an inner cavity of the casing 6 is divided into an air inlet channel 7 and an air outlet channel 2 by the partition plate 8, the stack 4 is arranged on one side of the partition plate 8 and at an inlet of the air outlet channel 2, an air inlet of the stack 4 is oppositely arranged with the closed end of the casing 6 and is communicated with the air inlet channel 7, a fan 3 is arranged in the air outlet channel 2, a baffle plate is arranged in the casing 6 and is positioned between the partition plate 8 and the opening of the casing 6, a rotating shaft is fixedly connected to the baffle plate, the rotating shaft is perpendicular to the axial direction of the opening of the casing 6 and is connected to the casing 6, and a rotating shaft rotation driving mechanism is arranged between the rotating shaft and the casing 6.
Furthermore, the rotating shaft rotation driving mechanism comprises a controller and a motor, the motor and the shell 6 are relatively fixedly arranged, the rotating shaft is connected with an output shaft of the motor through a transmission mechanism, a control end of the motor is connected with a signal output end of the controller, a temperature sensor is arranged outside the shell 6, and a signal output end of the temperature sensor is connected with a signal input end of the controller.
Furthermore, the baffle include first baffle 1 and second baffle 9, first baffle 1 and second baffle 9 set up respectively in exhaust passageway 2 and inlet air duct 7, the pivot includes first pivot and second pivot, first baffle 1 and second baffle 9 respectively with first pivot and second pivot fixed connection.
Furthermore, the rotating shaft rotation driving mechanism comprises a controller, a first motor and a second motor, the first rotating shaft is connected with an output shaft of the first motor through a first transmission mechanism, the second rotating shaft is connected with an output shaft of the second motor through a second transmission mechanism, a control end of the motor is connected with a signal output end of the controller, a temperature sensor is arranged outside the shell 6, and a signal output end of the temperature sensor is connected with a signal input end of the controller.
Or, the baffle is composed of a large-diameter baffle 10, and the diameter of the large-diameter baffle 10 is larger than the diameter of the air exhaust channel 2 and the diameter of the air inlet channel 7.
Further, the inner wall of the closed end of the shell 6 is a concave cambered surface 5.
Specifically, the fan 3, the stack 4, the controller, the motor, the transmission mechanism, the temperature sensor, and the like in the present embodiment all adopt known solutions in the prior art, which are known to those skilled in the art and are not described herein again.
The working principle of the embodiment is as follows:
as shown in figure 1, the air inlet channel 7 and the air outlet channel 2 of the device are separated, when the environment temperature is very high, or the air inlet temperature does not need to be adjusted, the first baffle plate 1 and the second baffle plate 9 are placed flat, then air enters from the air inlet channel 7 and enters the galvanic pile 4 through the concave cambered surface 5, a small part of air oxygen enters the galvanic pile 4 and is consumed by the galvanic pile 4, and the air oxygen is used as a reactant and enters the cathode of the fuel cell through the gas diffusion layer, so that electrochemical reaction occurs, water is generated, in addition, most of air passes through heat exchange, waste heat generated in the galvanic pile 4 of the fuel cell is brought out, the heat of the galvanic pile 4 can be taken away, and then the air is discharged from the air exhaust channel 2 through the fan 3.
As shown in fig. 2, in a low-temperature environment, after the fuel cell is successfully started at a low temperature, the opening ratio of the exhaust channel 2 can be adjusted by adjusting the angle of the first baffle plate 1, the opening ratio of the intake channel 7 can be adjusted by adjusting the angle of the second baffle plate 9, and a part or all of the hot air exhausted by the electric pile 4 is changed in direction by the first baffle plate 1, enters the intake channel 7 of the fuel cell, joins with the entering fresh air in the intake channel 7 to realize the supply of oxygen, and then is sucked into the electric pile 4. The mixing proportion of fresh air intake and hot air exhaust from the galvanic pile 4 can be realized by adjusting the positions of the first baffle 1 and the second baffle 9, thereby controlling the temperature of the air intake of the galvanic pile 4,the normal operation of the electric pile 4 in a low-temperature environment is realized, and fresh air is continuously supplemented into the air inlet of the electric pile 4, so that the condition that the oxygen concentration is too low due to the fact that a small amount of air circulates in the fuel cell for many times can be avoided, and different power outputs can be met. Of course, different galvanic piles 4, different power outputs and different ambient temperatures, the mixing ratio demand of hot air and cold air can be different, the rotation angle of the first baffle plate 1 and the second baffle plate 9 is different, the opening ratio of the air inlet channel 7 or the air exhaust channel 2 can be different, and the adjustment is carried out according to the actual situation. The working temperature of the air-cooled fuel cell stack 4 is generally 40 DEGoC-65oC, under different power current outputs, the suitable working temperature of the fuel cell stack 4 is slightly different, but the overall working temperature is 40-75 DEGoAnd C is in the range.
In addition, as shown in fig. 3, only the large-diameter baffle 10 is provided, and the mixture of the inlet air and the outlet air in the air inlet channel 7 can be realized by adjusting the angle of the large-diameter baffle 10, and the invention is also within the protection content of the invention.
The temperature of the operating environment can be monitored through the temperature sensor, and the controller intelligently adjusts the angles of the first baffle plate 1, the second baffle plate 9 and the large-diameter baffle plate 10 through the first motor, the second motor and the third motor respectively according to the temperature provided by the temperature sensor. The electric pile exhaust control valve and the exhaust pipe can be arranged in the air inlet channel 7, so that icing and blockage in the use process in a low-temperature environment are avoided.
The results of the invention operating in different parameters and environments are as follows:
at-40oIn the environment C, the position of the second baffle plate 9 is adjusted to enable the opening area of the exhaust channel 2 to account for 20% of the whole area of the exhaust channel 2, the rest hot air enters the air inlet channel 7 after being blocked by the second baffle plate 9, the opening area of the air inlet channel 7 is also 20%, and the temperature of the galvanic pile 4 is 65% when the galvanic pile runsoC, the output of the electric pile 4 is 100W, and the inlet air temperature of the electric pile 4 can be kept at 40 DEGoC, the operation is continuously carried out for 20 hours, the internal temperature of the galvanic pile 4 is uniform, the output is stable, and the performance is not reduced.
At-20oIn the environment C, the position of the second baffle 9 is adjusted to ensure that the opening area of the exhaust channel 2 accounts for the specific exhaust areaThe whole area of the channel 2 is 30 percent, the rest hot air enters the air inlet channel 7 through the blockage, the opening ratio of the air inlet channel 7 is 30 percent, and the temperature of the galvanic pile 4 is 55 percent when in operationoAbout C, the output of the electric pile 4 is 80W, and the air inlet temperature of the electric pile 4 can be kept at 35oC, the reactor is continuously operated for 24 hours, the internal temperature of the galvanic pile 4 is uniform, the output is stable, and the performance is not reduced.
At room temperature 5oIn the environment C, the position of the second baffle 9 is adjusted to ensure that the opening area of the exhaust channel 2 accounts for 50 percent, the rest of hot air enters the air inlet channel 7 through the blockage, the opening area of the air inlet channel 7 accounts for 30 percent, and the temperature of the galvanic pile 4 is 55 percent when in operationoAbout C, the electric pile 4 outputs 80W, and the air inlet temperature of the electric pile 4 can be kept at 30 DEGoC, the reactor continuously operates for 10 hours, the temperature inside the galvanic pile 4 is uniform, the output is stable, and the performance is improved by 20 percent compared with the performance when the second baffle 9 and the air inlet channel 7 are both leveled.
At-20oIn the environment C, the position of the second baffle 9 is adjusted, the opening area of the exhaust channel 2 accounts for 30 percent of the whole area of the exhaust channel 2, the opening area of the air inlet channel 7 also accounts for 30 percent, and the temperature of the galvanic pile 4 is 65 percent when in operationoC, the output of the electric pile 4 is 100W, and the inlet air temperature of the electric pile 4 can be kept at 35oC, the reactor is continuously operated for 24 hours, the internal temperature of the galvanic pile 4 is uniform, the output is stable, and the performance is not reduced.
It should be understood that the present invention is not only applicable to low temperature environments, but also to any application modified according to the above description for changing the inlet temperature of the stack 4 or smoothing the internal temperature of the stack 4, within the scope of the appended claims. Furthermore, the application of changing the intake air temperature by mixing the hot air exhausted from the stack 4 with the intake air, even if the mixing position and the mixing manner are different, should fall within the scope of the appended claims.
Claims (7)
1. An apparatus for improving adaptability of air-cooled fuel cell stack to low temperature environment, comprising a housing (6), characterized in that: the one end of casing (6) is provided with the opening, follow in casing (6) open-ended axial be provided with one baffle (8), baffle (8) are separated the inner chamber middle part of casing (6) for inlet air channel (7) and air exhaust passageway (2), one side of baffle (8), the entrance of air exhaust passageway (2) is provided with galvanic pile (4), the air inlet of galvanic pile (4) sets up in opposite directions and communicates with inlet air channel (7) with the blind end of casing (6), be provided with fan (3) in air exhaust passageway (2), be provided with the baffle in casing (6), the baffle is located between the opening of baffle (8) and casing (6), fixedly connected with pivot on the baffle, the open-ended axial of pivot perpendicular to casing (6), the pivot is connected with casing (6), be provided with pivot rotary drive mechanism between pivot and casing (6).
2. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment according to claim 1, is characterized in that: the rotating shaft rotation driving mechanism comprises a controller and a motor, the motor and the shell (6) are fixedly arranged relatively, the rotating shaft is connected with an output shaft of the motor through a transmission mechanism, a control end of the motor is connected with a signal output end of the controller, a temperature sensor is arranged outside the shell (6), and a signal output end of the temperature sensor is connected with a signal input end of the controller.
3. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment according to claim 1, is characterized in that: the baffle include first baffle (1) and second baffle (9), first baffle (1) and second baffle (9) set up respectively in exhaust passageway (2) and inlet air duct (7), the pivot includes first pivot and second pivot, first baffle (1) and second baffle (9) respectively with first pivot and second pivot fixed connection.
4. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment according to claim 3, is characterized in that: the rotating shaft rotation driving mechanism comprises a controller, a first motor and a second motor, the first rotating shaft is connected with an output shaft of the first motor through a first transmission mechanism, the second rotating shaft is connected with an output shaft of the second motor through a second transmission mechanism, a control end of the motor is connected with a signal output end of the controller, a temperature sensor is arranged outside the shell (6), and the signal output end of the temperature sensor is connected with a signal input end of the controller.
5. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment according to claim 1, is characterized in that: the baffle is composed of a large-diameter baffle (10), and the diameter of the large-diameter baffle (10) is larger than that of the air exhaust channel (2) and that of the air inlet channel (7).
6. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment according to claim 1, is characterized in that: the inner wall of the closed end of the shell (6) is an arc surface (5) or a plane.
7. The device for improving the adaptability of the air-cooled fuel cell stack to the low-temperature environment according to claim 1, is characterized in that: at least one protrusion or depression is arranged on the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110887306.3A CN113594495A (en) | 2021-08-03 | 2021-08-03 | Device for improving adaptability of air-cooled fuel cell stack to low-temperature environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110887306.3A CN113594495A (en) | 2021-08-03 | 2021-08-03 | Device for improving adaptability of air-cooled fuel cell stack to low-temperature environment |
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| CN113594495A true CN113594495A (en) | 2021-11-02 |
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| CN202110887306.3A Pending CN113594495A (en) | 2021-08-03 | 2021-08-03 | Device for improving adaptability of air-cooled fuel cell stack to low-temperature environment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008038032A2 (en) * | 2006-09-27 | 2008-04-03 | Intelligent Energy Limited | Low temperature operation of open cathode fuel cell stacks using air recirculation |
| CN104662722A (en) * | 2012-06-20 | 2015-05-27 | 智慧能量有限公司 | Cooling system for fuel cells |
| CN105308783A (en) * | 2013-05-15 | 2016-02-03 | 智慧能量有限公司 | Cooling system for fuel cells |
| CN109962262A (en) * | 2019-03-18 | 2019-07-02 | 东莞众创新能源科技有限公司 | Temperature control mechanism and fuel cell with temperature control mechanism |
-
2021
- 2021-08-03 CN CN202110887306.3A patent/CN113594495A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008038032A2 (en) * | 2006-09-27 | 2008-04-03 | Intelligent Energy Limited | Low temperature operation of open cathode fuel cell stacks using air recirculation |
| CN104662722A (en) * | 2012-06-20 | 2015-05-27 | 智慧能量有限公司 | Cooling system for fuel cells |
| CN105308783A (en) * | 2013-05-15 | 2016-02-03 | 智慧能量有限公司 | Cooling system for fuel cells |
| CN109962262A (en) * | 2019-03-18 | 2019-07-02 | 东莞众创新能源科技有限公司 | Temperature control mechanism and fuel cell with temperature control mechanism |
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