CN115832358A - Cathode closed air cooling type fuel cell test system - Google Patents
Cathode closed air cooling type fuel cell test system Download PDFInfo
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- CN115832358A CN115832358A CN202211689415.5A CN202211689415A CN115832358A CN 115832358 A CN115832358 A CN 115832358A CN 202211689415 A CN202211689415 A CN 202211689415A CN 115832358 A CN115832358 A CN 115832358A
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- 239000000446 fuel Substances 0.000 title claims abstract description 92
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000001816 cooling Methods 0.000 title claims description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 112
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000001257 hydrogen Substances 0.000 claims abstract description 88
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 88
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000010926 purge Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000011155 quantitative monitoring Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- 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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Abstract
The invention discloses a cathode closed air-cooled fuel cell testing system which comprises a cathode closed air-cooled fuel cell stack, a testing tool, a hydrogen inlet module, a nitrogen purging module, an air inlet module, a tail row module and an electronic load. The dry-wet switching of hydrogen and air during testing and the dry-wet switching of nitrogen during purging are realized by a branch integrated battery valve of a cathode closed air-cooled fuel cell testing system; when the cathode closed air-cooled fuel cell testing system does not start the air inlet module, the testing system can simultaneously take the test of the open air-cooled fuel cell into consideration; the cathode closed air-cooled fuel cell testing system integrates a gas-water separator, a hydrogen humidification tank and an air humidification tank liquid level meter, and real-time quantitative monitoring is carried out on the water content of the galvanic pile in the whole testing process, so that rationality optimization is carried out on testing working condition parameters. The cathode closed air-cooled fuel cell test system provided by the invention has good market application prospect.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a cathode closed air-cooled fuel cell testing system.
Background
A fuel cell is an energy conversion device that generates water by an electrochemical reaction of hydrogen and oxygen and directly converts chemical energy into electrical energy. The air-cooled fuel cell is divided into a liquid-cooled fuel cell and an air-cooled fuel cell according to the type of a cooling medium of the fuel cell, and compared with the liquid-cooled fuel cell, the air-cooled fuel cell has the advantages of compact structure, low parasitic power and low cost, and is suitable for application scenes with low power and limited space arrangement. Among the air-cooled fuel cells, when the cooling air is used in common with the cathode reaction air, it is called an open air-cooled fuel cell, and when the cooling air is supplied separately from the cathode reaction air, it is called a cathode closed air-cooled fuel cell.
The cathode closed air-cooled fuel cell is more complex than an open air-cooled fuel cell in structure, but the air cooling cavity of the cathode closed air-cooled fuel cell is physically isolated from the air reaction cavity, the cleanness of the cathode reaction cavity is ensured, the model selection difficulty caused by the large air volume demand of a cooling fan is reduced simultaneously, cooling air and reaction air are decoupled, the strong coupling of water heat management in the air-cooled fuel cell is avoided, and the cathode closed air-cooled fuel cell can realize the high-power air-cooled galvanic pile to supplement the short plate with low power of the air-cooled galvanic pile.
In the research and development, manufacturing and system integration processes of the cathode closed air-cooled fuel cell, the overall design, manufacturing process, working condition parameters and control strategies of the fuel cell need to be fully tested and evaluated. In the testing process of the fuel cell, the fuel cell testing system controls the flow, humidity, temperature and pressure of hydrogen and air, the inlet and outlet temperature and flow velocity of cooling air and other working condition parameters, and performs quantitative measurement on the performance output of the fuel cell.
The prior art documents are searched and found that the Chinese invention patent CN114937787A discloses an air-cooled fuel cell testing system which can test an open air-cooled fuel cell, but is lack of gas humidity and liquid water monitoring and does not have dry gas testing and purging conditions.
Disclosure of Invention
In order to solve the problems, the invention provides a cathode closed air-cooled fuel cell testing system.
The invention provides a cathode closed air-cooled fuel cell test system, comprising:
the cathode closed air-cooled fuel cell stack is used for testing the cathode closed air-cooled fuel cell stack, is used for supplying hydrogen to the cathode closed air-cooled fuel cell stack, is used for purging the cathode closed air-cooled fuel cell stack by using the nitrogen purging module, is used for supplying air to the cathode closed air-cooled fuel cell stack, and is used for discharging tail gas of the cathode closed air-cooled fuel cell stack.
Alternatively, the cathode closed air-cooled fuel cell stack is formed by connecting a plurality of unit cells in series.
Optionally, the test tool comprises a cooling reactor-entering thermometer, a cooling reactor-entering anemometer, a cooling fan, a cooling reactor-exiting thermometer and a wind shield shell; wherein, the air inlet surface of the housing of the fan cover is provided with an air inlet grille and the housing is provided with a mounting and fixing hole for the thermometer, the anemoscope and the fan.
Optionally, the hydrogen gas inlet module includes a hydrogen cylinder, a first hydrogen pressure gauge, a hydrogen pressure reducing valve, a second hydrogen pressure gauge, a hydrogen check valve, a first hydrogen solenoid valve, a hydrogen flowmeter, a second hydrogen solenoid valve, a third hydrogen solenoid valve, a first hydrogen inlet pipeline heating band, a hydrogen heating thermometer, a hydrogen humidifier, a hydrogen humidification tank level gauge, a second hydrogen inlet pipeline heating band, a hydrogen inlet port pressure gauge, a hydrogen inlet port thermometer, and a hydrogen inlet port dew point meter.
Optionally, the nitrogen purging module includes a nitrogen cylinder, a first nitrogen pressure gauge, a nitrogen pressure reducing valve, a second nitrogen pressure gauge, a nitrogen check valve, a first nitrogen solenoid valve, a nitrogen flow meter, a second nitrogen solenoid valve, and a third nitrogen solenoid valve.
Optionally, the air intake module includes an air filter, an air compressor, an intercooler, a first air pressure gauge, an air pressure reducing valve, a second air pressure gauge, a first air check valve, a first air solenoid valve, an air flow meter, a second air solenoid valve, a third air solenoid valve, a first air inlet pipeline heating band, an air heating thermometer, an air humidifier, an air humidification tank liquid level meter, a second air inlet pipeline heating band, an air inlet pile outlet pressure gauge, an air inlet pile outlet thermometer, and an air inlet pile outlet dew point meter.
Optionally, the tail exhaust module comprises a hydrogen tail exhaust part, an air tail exhaust part and a mixed exhaust part.
Optionally, the hydrogen tail exhaust part comprises a hydrogen back pressure valve, a hydrogen outlet pressure gauge, a hydrogen outlet thermometer, a hydrogen outlet dew point gauge and a hydrogen intermittent exhaust solenoid valve.
Optionally, the air exhaust section includes an air back pressure valve, an air outlet pressure gauge, an air outlet thermometer, an air outlet dew point gauge, and an air second check valve.
Optionally, the mixing and discharging part comprises a gas-water separator, an overflow valve, a water tank, a liquid level meter and a mixing tail discharge valve.
Compared with the prior art, the invention has the following advantages or beneficial effects:
(1) Monitoring equipment such as a thermometer, a dew point meter, a pressure gauge, a flow meter and the like are integrally installed in the cathode closed type air-cooled fuel cell testing system, testing working condition parameters of the fuel cell are accurately measured and controlled, and a fuel cell controller and an upper computer are utilized to perform real-time acquisition and accurate feedback control on the electric pile testing system;
(2) The hydrogen inlet module, the air inlet module and the nitrogen purging module are bridged through the electromagnetic valve, so that components of different modules and pipelines are mutually used, the dry-wet switching of hydrogen, air reaction gas and nitrogen purging gas is realized, and the test condition range of the test system is wider;
(3) The hydrogen inlet module humidification tank liquid level meter and the air inlet module humidification tank liquid level meter are matched with the hydrogen-air tail exhaust module gas-water separator, the overflow valve, the water tank and the liquid level meter, so that the accurate closed-loop monitoring can be performed on the external water intake quantity and the water quantity generated by the electrochemical reaction in the whole test process of the fuel cell, and the accurate water management of the internal water shortage or water flooding state of the fuel cell is facilitated;
(4) The cathode closed air-cooling fuel cell test system can not only meet the test of the cathode closed air-cooling fuel cell, but also test the open air-cooling fuel cell, and the test system has wider range of the types of the fuel cells;
(5) Temperature and wind speed sensors are integrated on a testing tool of the cathode closed type air-cooled fuel cell testing system, heat generation and heat exchange of the fuel cell can be monitored and calculated, and feedback regulation control over a cooling fan in the testing process is facilitated.
(6) The multi-type acquisition amount and the multiple control amounts are integrated into the integrated software of the upper computer, so that testers can complete operation and data acquisition of various test conditions by using the software of the upper computer, and the integration level and the operability are obviously improved.
Drawings
FIG. 1 is a schematic diagram of a cathode closed air-cooled fuel cell testing system according to the present invention;
FIG. 2 is a schematic diagram of a cathode closed air-cooled fuel cell stack and test fixture according to the present invention;
FIG. 3 is a schematic diagram of a hydrogen inlet module of a cathode closed air-cooled fuel cell according to the present invention;
FIG. 4 is a schematic diagram of a nitrogen purge module for a cathode closed air-cooled fuel cell according to the present invention;
FIG. 5 is a schematic diagram of an air intake module of the cathode closed air-cooled fuel cell according to the present invention;
fig. 6 illustrates a cathode closed air-cooled fuel cell tail bank module according to the present invention;
fig. 7 shows a structure diagram of the acquisition/control of the cathode closed air-cooled fuel cell according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all embodiments of the present invention. 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.
It should be noted that, in this document, the terms "include", "have" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, a method, an article or a terminal device including a series of elements includes not only those elements but also other elements not specifically listed, or further includes elements inherent to such process, method, article or terminal device. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element.
It should be noted that the drawings are in a very simplified form and that non-precise ratios are used for convenience and clarity in order to facilitate the description of one embodiment of the invention.
The cathode closed air-cooled fuel cell test system provided by the invention is suitable for an open air-cooled fuel cell and can also be suitable for cathode closed air-cooled fuel cell tests. The invention provides a cathode closed air-cooled fuel cell testing system which comprises a cathode closed air-cooled fuel cell stack (100), a testing tool (200), a hydrogen inlet module (300), a nitrogen purging module (400), an air inlet module (500), a tail row module (600) and an electronic load (700), and is shown in figure 1.
In the embodiment of the invention, the cathode closed air-cooled fuel cell stack (100) is mainly formed by connecting a plurality of same single cells in series, and a cathode and anode current collecting plate and a front end plate and a rear end plate (not shown in the figure) are respectively arranged at two ends of the cathode closed air-cooled fuel cell stack (100).
In the embodiment of the invention, the test tool (200) further comprises a cooling in-pile thermometer (201), a cooling in-pile anemometer (202), a cooling fan (203), a cooling out-pile thermometer (204) and a wind shield shell (205); wherein, the air inlet surface of the fan cover shell (205) is provided with an air inlet grille and the shell is reserved with mounting and fixing holes of a thermometer, an anemoscope and a fan, as shown in figure 2.
In the embodiment of the present invention, the hydrogen gas inlet module (300) further includes a hydrogen gas cylinder (301), a hydrogen gas first pressure gauge (302), a hydrogen gas pressure reducing valve (303), a hydrogen gas second pressure gauge (304), a hydrogen gas check valve (305), a hydrogen gas first electromagnetic valve (306), a hydrogen gas flow meter (307), a hydrogen gas second electromagnetic valve (308), a hydrogen gas third electromagnetic valve (309), a hydrogen gas inlet pipe first heating band (310), a hydrogen gas heating thermometer (311), a hydrogen gas humidifier (312), a hydrogen gas humidification tank liquid level meter (313), a hydrogen gas inlet pipe second heating band (314), a hydrogen gas inlet pressure gauge (315), a hydrogen gas inlet thermometer (316), and a hydrogen gas inlet dew point meter (317), as shown in fig. 3.
The hydrogen inlet module (300) monitors the hydrogen allowance of the hydrogen cylinder (301) through a first hydrogen pressure gauge (302); and the hydrogen second pressure gauge (304) is matched with the hydrogen pressure reducing valve (303) to control the working pressure of the hydrogen inlet module. The hydrogen inlet module (300) preheats hydrogen before humidifying the hydrogen through the first heating belt (310) of the hydrogen inlet pipeline, and moisturizes and preserves heat of the humidified hydrogen by the second heating belt (314) of the hydrogen inlet pipeline, so that liquid water is prevented from being condensed in the pipeline. The hydrogen gas inlet module (300) accurately measures physical property parameters of hydrogen gas inlet through a hydrogen gas inlet pile inlet pressure gauge (315), a hydrogen gas inlet pile inlet thermometer (316) and a hydrogen gas inlet pile inlet dew point meter (317), and the real-time performance and the accuracy of measurement are guaranteed.
In the embodiment of the present invention, the nitrogen purging module (400) further includes a nitrogen cylinder (401), a first nitrogen pressure gauge (402), a nitrogen pressure reducing valve (403), a second nitrogen pressure gauge (404), a nitrogen check valve (405), a first nitrogen solenoid valve (406), a nitrogen flow meter (407), a second nitrogen solenoid valve (408), and a third nitrogen solenoid valve (409), as shown in fig. 4.
The nitrogen purging module (400) can realize the dry and wet gas switching between air and nitrogen by controlling the nitrogen second electromagnetic valve (408) and the air second electromagnetic valve (510). The nitrogen purging module (400) can realize dry and wet gas switching between hydrogen and nitrogen by controlling the third nitrogen electromagnetic valve (409) and the second hydrogen electromagnetic valve (308).
In the embodiment of the present invention, the air intake module (500) further includes an air filter (501), an air compressor (502), an intercooler (503), a first air pressure gauge (504), an air pressure reducing valve (505), a second air pressure gauge (506), a first air-to-ground check valve (507), a first air solenoid valve (508), an air flow meter (509), a second air solenoid valve (510), a third air solenoid valve (511), an air intake pipe first heating band (512), an air heating thermometer (513), an air humidifier (514), an air humidification tank liquid level meter (515), an air intake pipe second heating band (516), an air intake stack port pressure gauge (517), an air intake stack port thermometer (518), and an air intake stack port dew point meter (519), as shown in fig. 5.
The air compressor (502) and the intercooler (503) can be replaced by air blowers during low-power air-cooled stack testing, the air compressor (502) and the intercooler (503) are selected to provide larger air flow and air compression capacity, and the testing capacity of the testing system is remarkably improved.
In the embodiment of the invention, the tail row module (600) is composed of a hydrogen tail row part, an air tail row part and a mixed row part; the hydrogen tail exhaust part further comprises a hydrogen back pressure valve (601), a hydrogen stack outlet pressure gauge (602), a hydrogen stack outlet thermometer (603), a hydrogen stack outlet dew point meter (604) and a hydrogen inter-exhaust electromagnetic valve (605); the air tail discharge part further comprises an air back pressure valve (606), an air outlet pressure gauge (607), an air outlet thermometer (608), an air outlet dew point meter (609) and an air second check valve (610); the mixed discharge part further comprises a gas-water separator (611), an overflow valve (612), a water tank (613), a liquid level meter (614) and a mixed tail discharge valve (615), as shown in fig. 6.
The tail exhaust module (600) controls the reaction pressure of hydrogen and air through a hydrogen backpressure valve (601) and an air backpressure valve (606), and a hydrogen intermittent exhaust electromagnetic valve (605) can realize the constant-pressure reaction intermittent drainage of a hydrogen loop, so that the utilization rate of hydrogen is improved. The tail exhaust module (600) separates liquid water and gas in tail exhaust mixed gas through a gas-water separator (611), the liquid water is collected by matching with an overflow valve (612), a water tank (613) and a liquid level meter (614), then the generation condition of the liquid water in the whole test process is monitored and measured, and hydrogen-air mixed waste gas is exhausted from a mixed tail exhaust valve (615).
The cathode closed type air-cooled fuel cell testing system is characterized in that data reading collection of a pressure gauge, a thermometer, a dew point meter, a liquid level meter and an electronic load in the cathode closed type air-cooled fuel cell testing system is carried out, and state control of opening and closing of an electromagnetic valve, opening degree of a flow meter, opening degree of a humidifier, a heater switch, a heating belt switch, rotating speed of an air compressor, opening degree of a cooling fan, opening and closing period and opening duration of a batch valve and pulling load current of the electronic load is carried out, as shown in figure 7.
The cathode closed type air-cooled fuel cell testing system provided by the invention integrates the cell valve through the branch of the cathode closed type air-cooled fuel cell testing system, dry-wet switching of hydrogen and air during testing and dry-wet switching of nitrogen during purging are realized; when the air inlet module is not started in the cathode closed air-cooled fuel cell testing system, the testing system can simultaneously take the test of the open air-cooled fuel cell into consideration; the cathode closed air-cooling fuel cell testing system carries out real-time quantitative monitoring on the water content of the galvanic pile in the whole testing process through integrating a gas-water separator, a hydrogen humidification tank and an air humidification tank liquid level meter in the cathode closed air-cooling fuel cell testing system so as to carry out rationality optimization on testing working condition parameters.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. A cathode closed air-cooled fuel cell test system, comprising:
the cathode closed air-cooled fuel cell stack is used for testing the cathode closed air-cooled fuel cell stack, is used for supplying hydrogen to the cathode closed air-cooled fuel cell stack, is used for purging the cathode closed air-cooled fuel cell stack by using the nitrogen purging module, is used for supplying air to the cathode closed air-cooled fuel cell stack, and is used for discharging tail gas of the cathode closed air-cooled fuel cell stack.
2. The cathode closed air-cooled fuel cell test system according to claim 1, wherein the cathode closed air-cooled fuel cell stack is formed by connecting a plurality of unit cells in series.
3. The closed-cathode air-cooled fuel cell test system according to claim 1, wherein the test fixture comprises a cooled stack-in thermometer, a cooled stack-in anemometer, a cooling fan, a cooled stack-out thermometer, and a hood housing; wherein, the air inlet surface of the shell of the fan cover is provided with an air inlet grille and the shell is reserved with mounting and fixing holes of a thermometer, an anemoscope and a fan.
4. The cathode closed type air-cooled fuel cell test system according to claim 1, wherein the hydrogen gas inlet module comprises a hydrogen gas cylinder, a first hydrogen pressure gauge, a hydrogen pressure reducing valve, a second hydrogen pressure gauge, a hydrogen check valve, a first hydrogen solenoid valve, a hydrogen flow meter, a second hydrogen solenoid valve, a third hydrogen solenoid valve, a first hydrogen inlet pipeline heating band, a hydrogen heating thermometer, a hydrogen humidifier, a hydrogen humidifying tank liquid level meter, a second hydrogen inlet pipeline heating band, a hydrogen inlet port pressure gauge, a hydrogen inlet port thermometer, and a hydrogen inlet port dew point meter.
5. The cathode closed air-cooled fuel cell test system according to claim 1, wherein the nitrogen purge module includes a nitrogen cylinder, a first nitrogen pressure gauge, a nitrogen pressure reducing valve, a second nitrogen pressure gauge, a nitrogen check valve, a first nitrogen solenoid valve, a nitrogen flow meter, a second nitrogen solenoid valve, and a third nitrogen solenoid valve.
6. The cathode closed air-cooled fuel cell testing system according to claim 1, wherein the air intake module comprises an air filter, an air compressor, an intercooler, a first air pressure gauge, an air pressure reducing valve, a second air pressure gauge, a first air check valve, a first air solenoid valve, an air flow meter, a second air solenoid valve, a third air solenoid valve, a first air inlet pipeline heating band, an air heating thermometer, an air humidifier, an air humidification tank liquid level meter, a second air inlet pipeline heating band, an air inlet stack pressure gauge, an air inlet stack temperature meter and an air inlet stack dew point meter.
7. The closed cathode air-cooled fuel cell testing system according to claim 1, wherein the tail module comprises a hydrogen tail portion, an air tail portion, and a mixed tail portion.
8. The closed-cathode air-cooled fuel cell test system according to claim 7, wherein the hydrogen tail discharge portion includes a hydrogen back-pressure valve, a hydrogen stack outlet pressure gauge, a hydrogen stack outlet thermometer, a hydrogen stack outlet dew point gauge, and a hydrogen inter-discharge solenoid valve.
9. The closed-cathode air-cooled fuel cell test system according to claim 7, wherein the air exhaust portion includes an air back-pressure valve, an air outlet pressure gauge, an air outlet thermometer, an air outlet dew point gauge, and a second air check valve.
10. The cathode closed air-cooled fuel cell testing system according to claim 7, wherein the mixing and discharging part includes a gas-water separator, an overflow valve, a water tank, a level gauge, and a mixing and tail discharging valve.
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| CN202211689415.5A CN115832358A (en) | 2022-12-27 | 2022-12-27 | Cathode closed air cooling type fuel cell test system |
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| CN202211689415.5A CN115832358A (en) | 2022-12-27 | 2022-12-27 | Cathode closed air cooling type fuel cell test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116779912A (en) * | 2023-06-15 | 2023-09-19 | 大连锐格新能源科技有限公司 | Modularized structure for fuel cell test bench and replacement and test method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116779912A (en) * | 2023-06-15 | 2023-09-19 | 大连锐格新能源科技有限公司 | Modularized structure for fuel cell test bench and replacement and test method thereof |
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