CN112886034A - Comprehensive test system suitable for air-cooled proton exchange membrane fuel cell - Google Patents
Comprehensive test system suitable for air-cooled proton exchange membrane fuel cell Download PDFInfo
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- CN112886034A CN112886034A CN202110303234.3A CN202110303234A CN112886034A CN 112886034 A CN112886034 A CN 112886034A CN 202110303234 A CN202110303234 A CN 202110303234A CN 112886034 A CN112886034 A CN 112886034A
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- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
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- 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
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- 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
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04328—Temperature; Ambient temperature of anode reactants at the inlet or inside the fuel cell
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- 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
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04388—Pressure; Ambient pressure; Flow of anode reactants at the inlet or inside the fuel cell
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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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- Fuel Cell (AREA)
Abstract
The invention relates to a comprehensive test system suitable for an air-cooled proton exchange membrane fuel cell, which comprises a cell fixing seat, an air inlet and exhaust module, an air inlet air channel module, an air exhaust air channel module, a central control computer, an electronic load module, a single cell voltage monitoring device and a temperature scanning device, wherein the cell fixing seat is provided with a plurality of air inlet air channels; the air inlet and exhaust module comprises a box body, an air inlet unit and an exhaust unit, and the air inlet unit and the exhaust unit are arranged in the box body; the battery fixing seat is arranged between the air inlet air channel module and the air outlet air channel module, the electronic load module is connected with the fuel battery, the monocell voltage monitoring device is connected with each monocell of the fuel battery, and the temperature scanning device is arranged on one side of the fuel battery. Compared with the prior art, the invention effectively realizes the performance test of the air-cooled proton exchange membrane fuel cell and carries out the subsequent design optimization and management of the fuel cell.
Description
Technical Field
The invention relates to the field of fuel cell exchange, in particular to a comprehensive test system suitable for an air-cooled proton exchange membrane fuel cell.
Background
The fuel cell is a power generation device which generates electric energy by hydrogen and oxygen through electrochemical reaction, and has the advantages of high energy conversion efficiency, environmental friendliness, low noise and the like. As fuel cell technology has been developed and commercialized, the safety and durability of fuel cells have received increased attention. The current mainstream heat removal means for the cell includes both liquid cooling and air cooling, wherein liquid cooling is the most typical and commonly used, and the related practical application products are lacking for the air-cooled proton exchange membrane fuel cell. Therefore, no comprehensive test equipment for the air-cooled proton exchange membrane fuel cell exists in the market at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a comprehensive test system suitable for an air-cooled proton exchange membrane fuel cell.
The purpose of the invention can be realized by the following technical scheme:
a comprehensive test system suitable for an air-cooled proton exchange membrane fuel cell comprises a cell fixing seat, an air inlet and outlet module, an air inlet air channel module, an air outlet air channel module, a central control computer, an electronic load module, a single cell voltage monitoring device and a temperature scanning device;
the gas inlet and exhaust module comprises a box body, a gas inlet unit and an exhaust unit, wherein the gas inlet unit and the exhaust unit are arranged in the box body, the gas inlet unit comprises a hydrogen inlet, a nitrogen inlet, a hydrogen flowmeter, a three-way valve, a hydrogen electromagnetic valve, a nitrogen electromagnetic valve, a gas outlet and a pressure sensor, the hydrogen inlet, the hydrogen flowmeter, the hydrogen electromagnetic valve and a first valve port of the three-way valve are sequentially connected through a pipeline, the nitrogen inlet, the nitrogen electromagnetic valve and a second valve port of the three-way valve are sequentially connected through a pipeline, and the gas outlet is sequentially connected with the pressure sensor and a third valve port of the three-way valve through a; the exhaust unit comprises a tail gas inlet, an exhaust electromagnetic valve and a tail gas outlet which are sequentially connected through a pipeline, and the hydrogen inlet, the nitrogen inlet, the tail gas outlet, the gas outlet and the tail gas inlet are all positioned on the side wall of the box body;
the battery fixing seat is arranged between the air inlet air channel module and the air outlet air channel module, the fuel battery is arranged on the battery fixing seat, the gas outlet and the tail gas inlet are connected with the fuel battery through connecting pipes, the electronic load module is connected with the fuel battery, the monocell voltage monitoring device is connected with each monocell of the fuel battery, and the temperature scanning device is arranged on one side of the fuel battery;
the central control computer is connected with the hydrogen flowmeter, the hydrogen electromagnetic valve, the nitrogen electromagnetic valve, the exhaust electromagnetic valve, the pressure sensor and the electronic load module.
Further, the air inlet unit and the air outlet unit are distributed in an up-and-down structure.
Further, the hydrogen inlet, the nitrogen inlet and the tail gas outlet are located on the side wall of one end of the box body, and the gas outlet and the tail gas inlet are located on the side wall of the other end of the box body.
Furthermore, the air intake and exhaust module further comprises a temperature and humidity sensor and an anemoscope, wherein the temperature and humidity sensor and the anemoscope are both fixed on the side wall of the box body, and probes of the temperature and humidity sensor and the anemoscope are respectively arranged in the air channels of the air intake air channel module and the air exhaust air channel module.
Furthermore, the air inlet duct module comprises a plurality of temperature control humidification flow channels, and each temperature control humidification flow channel is provided with an independent heating unit and an independent humidification unit.
Furthermore, the exhaust unit is also provided with a pulse exhaust valve which is connected in parallel with one side of the exhaust electromagnetic valve, and the pulse exhaust valve is connected with a central control computer.
Furthermore, a rectification structure is arranged in the air exhaust air channel module.
Furthermore, an air filtering unit is arranged in the air inlet duct module.
Furthermore, in the air intake and exhaust module, a hydrogen pressure reducing valve is arranged between the hydrogen inlet and the hydrogen flowmeter; and a nitrogen pressure reducing valve is arranged between the nitrogen inlet and the nitrogen electromagnetic valve.
Further, the central control computer adopts an NI CDAQ controller.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention effectively realizes the performance test of the air-cooled proton exchange membrane fuel cell and carries out subsequent design optimization and management of the fuel cell through the design of a plurality of modules such as the cell fixing seat, the air inlet and outlet module, the air inlet air channel module, the air outlet air channel module and the like. Meanwhile, the nitrogen pipeline is integrated in the air inlet and exhaust module, the test process can be protected accidentally through the nitrogen purging function, and the safety is effectively improved.
2. The invention simplifies the testing equipment through a modularized structure: 1. the hydrogen and nitrogen pipelines are integrated and encapsulated in the air inlet and exhaust module, so that the connection and the assembly are convenient, and the portability is realized; 2. the battery fixing seat, the air inlet air channel module and the air exhaust air channel module which are fixed in structure are designed, and the operation steps are simplified.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the intake and exhaust module.
Fig. 3 is a schematic structural diagram of an air intake duct module.
Fig. 4 is a schematic structural diagram of an air exhaust duct module.
Fig. 5 is a schematic diagram of the control principle of the present invention.
Reference numerals: 1. the device comprises a battery fixing seat, 2, an air inlet and exhaust module, 21, a box body, 22, an air inlet unit, 221, a hydrogen inlet, 222, a nitrogen inlet, 223, a hydrogen flowmeter, 224, a three-way valve, 225, a hydrogen electromagnetic valve, 226, a nitrogen electromagnetic valve, 227, a gas outlet, 228, a pressure sensor, 23, an exhaust unit, 231, a tail gas inlet, 232, an exhaust electromagnetic valve, 233, a tail gas outlet, 234, a pulse exhaust valve, 24, a temperature and humidity sensor, 25, an anemoscope, 26, a hydrogen pressure reducing valve, 27, a nitrogen pressure reducing valve, 3, an air inlet air channel module, 31, an air filtering unit, 4, an air outlet air channel module, 41, a rectification structure, 5, a central control computer, 6 and an electronic load module.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the present embodiment provides a comprehensive testing system suitable for an air-cooled proton exchange membrane fuel cell, which includes a cell holder 1, an air intake and exhaust module 2, an air intake duct module 3, an air exhaust duct module 4, a central control computer 5, an electronic load module 6, a cell voltage monitoring device, and a temperature scanning device. The battery fixing seat 1 is arranged between the air inlet air channel module 3 and the air outlet air channel module 4, and the fuel battery is installed on the battery fixing seat 1. The air intake and exhaust module 2 is connected with the fuel cell through a connecting pipe. The electronic load module 6 is directly connected to the fuel cell for giving different loads to the stack. The single cell voltage monitoring device is connected with each single cell of the fuel cell and monitors the voltage of each single cell, and the single cell voltage monitoring device is the existing mature technology and is not developed here. The temperature scanning device is arranged on one side of the fuel cell and used for monitoring the temperature of the fuel cell, and the temperature scanning device adopts the existing mature temperature optical thermal collecting device and is not unfolded here. The single cell voltage monitoring device and the temperature scanning device can be used for independently acquiring data, and can also be used for collecting data to the central control computer 5 in a gathering way in a centralized manner.
As shown in fig. 2, the intake and exhaust module 2 includes a case 21, an intake unit 22, and an exhaust unit 23, and the intake unit 22 and the exhaust unit 23 are provided in the case 21. The air inlet unit 22 and the air outlet unit 23 are distributed in an up-and-down structure, wherein the air inlet unit 22 is arranged on the upper side and the air outlet unit 23 is arranged on the lower side in the embodiment. The gas inlet unit 22 includes a hydrogen inlet 221, a nitrogen inlet 222, a hydrogen flow meter 223, a three-way valve 224, a hydrogen solenoid valve 225, a nitrogen solenoid valve 226, and a gas outlet 227. The hydrogen inlet 221, the hydrogen flowmeter 223, the hydrogen solenoid valve 225 and the first valve port of the three-way valve 224 are connected in sequence through pipelines; the nitrogen inlet 222, the nitrogen solenoid valve 226 and a second valve port of the three-way valve 224 are connected in sequence through pipelines; the gas outlet 227 is connected by a conduit to a pressure sensor 228 in turn, and to a third port of the three-way valve 224. The exhaust unit 23 includes a tail gas inlet 231, an exhaust solenoid valve 232, and a tail gas outlet 233, which are connected in sequence by pipes. The exhaust unit 23 is further provided with a pulse valve 234 connected in parallel to the exhaust solenoid valve 232 side for redundancy, thereby improving the safety of exhaust.
In addition, a hydrogen pressure reducing valve 26 is provided between the hydrogen inlet 221 and the hydrogen flow meter 223, and a nitrogen pressure reducing valve 27 is provided between the nitrogen and nitrogen solenoid valve 226 for better controlling the supply pressure to avoid excessive pressure impact on the piping.
In this embodiment, the hydrogen inlet 221, the nitrogen inlet 222, the tail gas outlet 233, the gas outlet 227, and the tail gas inlet 231 are all located on the side wall of the box body 21, specifically: the hydrogen inlet 221, the nitrogen inlet 222 and the tail gas outlet 233 are positioned on the side wall of one end of the box body 21, the hydrogen inlet 221 is connected with an external hydrogen connecting cylinder, and the nitrogen inlet 222 is connected with an external nitrogen connecting cylinder; the gas outlet 227 and the off-gas inlet 231 are formed on the other side wall of the case 21 to facilitate the butt joint with the fuel electrode through the connection pipe.
The exhaust module further comprises a temperature and humidity sensor 24 and an anemoscope 25, and the temperature and humidity sensor 24 and the anemoscope 25 are both fixed on the side wall of the box body 21. The probes of the temperature and humidity sensor 24 and the anemoscope 25 are connected with the bodies of the temperature and humidity sensor 24 and the anemoscope 25 in a wireless or wired mode, and are used for being arranged in the air inlet duct module 3 and the air exhaust duct module 4 to monitor the air condition.
Therefore, the embodiment realizes the integrated structural design of the air intake and exhaust module 2, integrates and encapsulates hydrogen and nitrogen pipelines in the air intake and exhaust module 2, is convenient to connect and assemble, and has portability.
As shown in fig. 3 and 4, the probes of the temperature and humidity sensor 24 and the anemometer 25 are respectively disposed in the air channels of the air intake channel module 3 and the air exhaust channel module 4. The air inlet duct module 3 is responsible for arranging air inlet airflow of the galvanic pile to measure inlet temperature and humidity, and comprises a plurality of temperature control and humidification flow channels, and each temperature control and humidification flow channel is provided with an independent heating unit and an independent humidification unit. A track can be further arranged in the air inlet air channel module 3, and the probe of the humidity sensor is arranged on the guide rail, so that the position of the probe can be changed, and the any position of the air channel can be monitored. An air filtering unit 31 such as a filter screen is arranged in the air inlet duct module 3 and is used for filtering pollutants in the air. The air exhaust air channel module 4 is responsible for arranging air flow at an air outlet of the galvanic pile to measure the air speed, the temperature and the humidity of the air outlet, a rectification structure 41 is arranged inside the air exhaust air channel module and used for rectifying outlet air to realize that the outlet air is in a laminar flow state, a track can be arranged in the same air exhaust air channel module 4, and a probe of the temperature and humidity sensor 24 is arranged on a guide rail to realize probe position conversion so as to monitor any position of an air channel.
The central control computer 5 adopts an NI CDAQ controller as a data acquisition platform, establishes an upper computer interface by using an NI Veristand system to acquire experimental data in real time, and establishes a protection system by using Veristand program compiling software. The central control computer 5 is connected with the hydrogen flow meter 223, the hydrogen solenoid valve 225, the nitrogen solenoid valve 226, the exhaust solenoid valve 232, the pulse exhaust valve 234, the pressure sensor 228 and the electronic load module 6, and is used for controlling the test system.
As shown in fig. 5, the working principle of the present embodiment is as follows:
during normal testing, the central control computer 5 opens the hydrogen solenoid valve 225, closes the nitrogen solenoid valve 226, supplies gas to the fuel cell, adjusts the electronic load module 6, enables the fuel cell to work normally in a reaction mode, and tests parameters during normal working of the fuel cell.
A protection program for preventing the hydrogen-nitrogen pipeline from being opened simultaneously is arranged in the central control computer 5: when the switch of the hydrogen solenoid valve 225 is opened, if the nitrogen solenoid valve 226 is to be opened, the hydrogen solenoid valve 225 is closed first, and then the nitrogen solenoid valve 226 is opened; the nitrogen solenoid valve 226 is opened and closed, and the process is the same.
Nitrogen purge is performed when the fuel cell temperature is too high: the central control computer 5 controls the hydrogen solenoid valve 225 to close, adjusts the current of the electronic load module 6 to be 0A, opens the nitrogen solenoid valve 226 and the exhaust solenoid valve 232, and after the load voltage rises to 1V, the upper computer automatically controls the nitrogen solenoid valve to close, and the highest temperature of the battery is recorded.
Nitrogen purging is performed when the cell voltage of the fuel cell is too low: the central control computer 5 controls the hydrogen solenoid valve 225 to close, adjusts the current of the electronic load module 6 to be 0A, opens the nitrogen solenoid valve 226 and the exhaust solenoid valve 232, and after the load voltage rises to 1V, the upper computer automatically controls the nitrogen solenoid valve to close, and records the number of the monocells.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A comprehensive test system suitable for an air-cooled proton exchange membrane fuel cell is characterized by comprising a cell fixing seat (1), an air inlet and exhaust module (2), an air inlet air channel module (3), an air exhaust air channel module (4), a central control computer (5), an electronic load module (6), a single cell voltage monitoring device and a temperature scanning device;
the air intake and exhaust module (2) comprises a box body (21), an air intake unit (22) and an exhaust unit (23), the air inlet unit (22) and the air outlet unit (23) are arranged in the box body (21), wherein the gas inlet unit (22) comprises a hydrogen inlet (221), a nitrogen inlet (222), a hydrogen flow meter (223), a three-way valve (224), a hydrogen solenoid valve (225), a nitrogen solenoid valve (226), a gas outlet (227) and a pressure sensor (228), the hydrogen inlet (221), the hydrogen flowmeter (223), the hydrogen electromagnetic valve (225) and the first valve port of the three-way valve (224) are connected in sequence through pipelines, the nitrogen inlet (222), the nitrogen solenoid valve (226) and the second valve port of the three-way valve (224) are connected in sequence through pipelines, the gas outlet (227) is connected with a pressure sensor (228) and a third valve port of a three-way valve (224) in sequence through a pipeline; the exhaust unit (23) comprises a tail gas inlet (231), an exhaust electromagnetic valve (232) and a tail gas outlet (233) which are sequentially connected through pipelines, and the hydrogen inlet (221), the nitrogen inlet (222), the tail gas outlet (233), the gas outlet (227) and the tail gas inlet (231) are all positioned on the side wall of the box body (21);
the fuel cell system comprises a cell fixing seat (1), a gas outlet (227), a tail gas inlet (231), an electronic load module (6), a single cell voltage monitoring device, a temperature scanning device and a power supply, wherein the cell fixing seat (1) is arranged between an air inlet air channel module (3) and an air outlet air channel module (4), the fuel cell is installed on the cell fixing seat (1), the gas outlet (227) and the tail gas inlet (231) are connected with the fuel cell through connecting pipes, the electronic load module (6) is connected with the fuel cell, the single cell voltage monitoring device is connected with each single;
the central control computer (5) is connected with the hydrogen flowmeter (223), the hydrogen solenoid valve (225), the nitrogen solenoid valve (226), the exhaust solenoid valve (232), the pressure sensor (228) and the electronic load module (6).
2. The integrated test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein the air inlet unit (22) and the air outlet unit (23) are distributed in an upper-lower structure.
3. The integrated test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein the hydrogen inlet (221), the nitrogen inlet (222) and the tail gas outlet (233) are located on one side wall of the box body (21), and the gas outlet (227) and the tail gas inlet (231) are located on the other side wall of the box body (21).
4. The integrated test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein the air intake and exhaust module (2) further comprises a temperature and humidity sensor (24) and an air speed meter (25), the temperature and humidity sensor (24) and the air speed meter (25) are both fixed on a side wall of the box body (21), and probes of the temperature and humidity sensor (24) and the air speed meter (25) are respectively arranged in air channels of the air intake air channel module (3) and the air exhaust air channel module (4).
5. The integrated test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein the air intake duct module (3) comprises a plurality of temperature-controlled humidification flow passages, and each temperature-controlled humidification flow passage is provided with an independent heating unit and an independent humidification unit.
6. The comprehensive test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein the exhaust unit (23) is further provided with a pulse valve (234) connected in parallel to one side of the exhaust electromagnetic valve (232), and the pulse valve (234) is connected with the central control computer (5).
7. The integrated test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein a rectifying structure (41) is arranged in the air exhaust duct module (4).
8. The integrated test system for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein an air filtering unit (31) is disposed in the air intake duct module (3).
9. The integrated test system suitable for the air-cooled proton exchange membrane fuel cell according to claim 1, wherein a hydrogen pressure reducing valve (26) is arranged between the hydrogen inlet (221) and the hydrogen flowmeter (223) in the air inlet and exhaust module (2); and a nitrogen pressure reducing valve (27) is arranged between the nitrogen inlet (222) and the nitrogen electromagnetic valve (226).
10. The integrated testing system for air-cooled PEM fuel cell according to claim 1, wherein said central control computer (5) is an NI CDAQ controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110303234.3A CN112886034A (en) | 2021-03-22 | 2021-03-22 | Comprehensive test system suitable for air-cooled proton exchange membrane fuel cell |
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| CN202110303234.3A CN112886034A (en) | 2021-03-22 | 2021-03-22 | Comprehensive test system suitable for air-cooled proton exchange membrane fuel cell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903950A (en) * | 2021-12-08 | 2022-01-07 | 国家电投集团氢能科技发展有限公司 | Distributed air-cooled fuel cell system and spacecraft |
| CN114713036A (en) * | 2022-06-10 | 2022-07-08 | 北京先通国际医药科技股份有限公司 | Online filter membrane integrity testing device and method and application thereof |
| CN114937787A (en) * | 2022-04-28 | 2022-08-23 | 上海交通大学内蒙古研究院 | Air-cooled fuel cell test system |
-
2021
- 2021-03-22 CN CN202110303234.3A patent/CN112886034A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903950A (en) * | 2021-12-08 | 2022-01-07 | 国家电投集团氢能科技发展有限公司 | Distributed air-cooled fuel cell system and spacecraft |
| CN114937787A (en) * | 2022-04-28 | 2022-08-23 | 上海交通大学内蒙古研究院 | Air-cooled fuel cell test system |
| CN114937787B (en) * | 2022-04-28 | 2024-01-02 | 上海交通大学内蒙古研究院 | Air-cooled fuel cell test system |
| CN114713036A (en) * | 2022-06-10 | 2022-07-08 | 北京先通国际医药科技股份有限公司 | Online filter membrane integrity testing device and method and application thereof |
| CN114713036B (en) * | 2022-06-10 | 2022-08-26 | 北京先通国际医药科技股份有限公司 | Online filter membrane integrity testing device and method and application thereof |
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