CN115377461A - Anode pulse tail row simulation system for fuel cell stack test - Google Patents

Anode pulse tail row simulation system for fuel cell stack test Download PDF

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Publication number
CN115377461A
CN115377461A CN202211159476.0A CN202211159476A CN115377461A CN 115377461 A CN115377461 A CN 115377461A CN 202211159476 A CN202211159476 A CN 202211159476A CN 115377461 A CN115377461 A CN 115377461A
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anode
nitrogen
hydrogen
stack
outlet
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王永湛
孙贺
卢金阳
甘全全
戴威
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Shanghai Shenli Technology Co Ltd
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Shanghai Shenli Technology Co Ltd
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    • H—ELECTRICITY
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    • 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
    • H01M8/04305—Modeling, demonstration models of fuel cells, e.g. for training purposes
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
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    • 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
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
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    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
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    • H01M8/04753—Pressure; Flow of fuel cell reactants
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    • 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
    • H01M8/04746—Pressure; Flow
    • H01M8/04761—Pressure; Flow of fuel cell exhausts
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    • 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
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    • H01M8/04835—Humidity; Water content of fuel cell reactants
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

The invention relates to an anode pulse tail discharge simulation system for a fuel cell stack test, which comprises a stack, a hydrogen pretreatment system, a nitrogen flow control system, an anode humidification system, an anode temperature control system and a stack discharge system, wherein the hydrogen pretreatment system is connected with the anode flow control system; two ends of the hydrogen pretreatment system are connected with a hydrogen source, the other end of the hydrogen pretreatment system is connected to an inlet of the galvanic pile through an inlet pipeline, and a first connecting point and a second connecting point are arranged on the inlet pipeline; the nitrogen flow control system comprises a nitrogen mass flow controller and a nitrogen electromagnetic valve; the anode flow control system comprises a hydrogen mass flow controller, an electric three-way valve, a mass flow meter and a wet gas electromagnetic valve, and the gas inlet end and the gas outlet end of the anode humidification system are respectively connected with the electric three-way valve and the second connection point. Compared with the prior art, the method can accurately control the mixing ratio of the nitrogen and the hydrogen so as to achieve the purpose of simulating the influence of the nitrogen concentration and the humidity in different pulse exhaust periods on the performance of the fuel cell.

Description

Anode pulse tail row simulation system for fuel cell stack test
Technical Field
The invention relates to the technical field of fuel cells, in particular to an anode pulse tail row simulation system for a fuel cell stack test.
Background
Proton Exchange Membrane Fuel cells (Proton Exchange Membrane Fuel cells) are electrochemical reaction devices that can directly and efficiently convert chemical energy of reactants into electrical energy. The proton exchange membrane fuel cell has the advantages of high energy density, high conversion efficiency, light weight, high response speed, small volume and the like, and becomes a research hotspot of a new generation of vehicle power supply, fixed power supply and portable power supply.
As a new type of green power source, a fuel cell engine is becoming one of the key points of research and development of vehicle-mounted engines due to its excellent characteristics such as high efficiency and low emission. The fuel cell engine is based on the output of a load, and has good controllability for the whole vehicle; meanwhile, the energy output of the fuel cell engine is electric energy, and the transmission and speed regulation structure of the traditional automobile is simplified. Although fuel cell engines have many advantages over internal combustion engines, fuel cell engines are the mainstream of automotive engines to replace internal combustion engines, and many problems need to be solved.
In order to achieve relatively high hydrogen utilization with a relatively simple system, anode tailgas emissions from PEMFCs are typically pulsed off-gas. In the PEMFC using air as an oxidant, because of the concentration gradient of water and nitrogen between the cathode and the anode, the water and nitrogen permeate and accumulate from the cathode to the anode, resulting in uneven fuel distribution in the anode flow channel, affecting the current density distribution uniformity of the PEMFC, and in severe cases, even causing local fuel starvation of the PEMFC, carbon corrosion occurs, and thus the performance of the cell is irreversibly attenuated.
Therefore, a testing system is needed to test the influence of nitrogen concentration and humidity on the performance of the fuel cell in different pulse exhaust periods.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an anode pulse tail discharge simulation system for fuel cell stack testing, which can accurately control the mixing ratio of nitrogen and hydrogen so as to obtain mixed gas with continuously adjustable nitrogen ratio on an anode side, thereby achieving the purpose of simulating the influence of nitrogen concentration and humidity on the performance of a fuel cell in different pulse discharge periods, being beneficial to researching the reason of reversible attenuation of product performance and the optimization of operating conditions, and providing guidance for the optimization of pulse discharge and the improvement of the system.
The purpose of the invention can be realized by the following technical scheme:
an anode pulse tail discharge simulation system for fuel cell stack test comprises a stack, a hydrogen pretreatment system, a nitrogen flow control system, an anode humidification system, an anode temperature control system and a stack discharge system;
one end of the hydrogen pretreatment system is connected with a hydrogen source, the other end of the hydrogen pretreatment system is connected to an inlet of the galvanic pile through an inlet pipeline, and a first connecting point and a second connecting point are arranged on the inlet pipeline;
one end of the nitrogen pretreatment system is connected with a nitrogen source, and the other end of the nitrogen pretreatment system is connected to a first connecting point through a nitrogen branch pipe;
the nitrogen flow control system comprises a nitrogen mass flow controller and a nitrogen electromagnetic valve, and the nitrogen mass flow controller and the nitrogen electromagnetic valve are sequentially arranged on the nitrogen branch pipe along the nitrogen flowing direction;
the anode flow control system comprises a hydrogen mass flow controller, an electric three-way valve, a mass flow meter and a wet gas electromagnetic valve, wherein the hydrogen mass flow controller is arranged on an inlet pipeline between the hydrogen pretreatment system and the first connecting point, the electric three-way valve and the mass flow meter are arranged on an inlet pipeline between the first connecting point and the second connecting point, an air inlet end and an air outlet end of the anode humidification system are respectively connected with the electric three-way valve and the second connecting point, and the wet gas electromagnetic valve is arranged between the air outlet end and the second connecting point of the anode humidification system;
the anode temperature control system is arranged between the second connecting point and the inlet of the galvanic pile, the outlet of the galvanic pile is connected with an outlet pipeline, and the pile discharging system is arranged on the outlet pipeline.
Further, the hydrogen pretreatment system comprises a hydrogen delivery pipe, and a first pressure reducing valve, a first filter and a first electromagnetic valve are arranged on the hydrogen delivery pipe.
Further, the nitrogen pretreatment system comprises a nitrogen conveying pipe, and a second pressure reducing valve, a second filter and a second electromagnetic valve are arranged on the nitrogen conveying pipe.
Further, the anode humidifying system comprises a humidifying tank and a circulating water path, a water pump outlet pressure sensor, a first heater and a first heat exchanger are arranged on the circulating water path, and a hot side and a cold side of the first heat exchanger are respectively provided with a first heat exchanger hot side temperature sensor and a first heat exchanger cold side proportional valve.
Further, the humidification jar is equipped with level sensor, moisturizing solenoid valve and drain valve, and after long-time continuous operation, gaseous large amount of water of taking away can carry out the moisturizing to the humidification jar through the level gauge detection, and the gas through the humidification jar is 100% RH humidity.
Furthermore, the anode temperature control system comprises a second heater, a second plate heat exchanger, a galvanic pile inlet temperature sensor and a galvanic pile outlet temperature sensor, the outlet of the second heater is provided with the second heater outlet temperature sensor, the hot side and the cold side of the second heat exchanger are respectively provided with a second heat exchanger hot side temperature sensor and a second heat exchanger cold side proportional valve, and the galvanic pile inlet temperature sensor and the galvanic pile outlet temperature sensor are respectively arranged at the inlet and the outlet of the galvanic pile.
Furthermore, the reactor discharging system comprises a water-gas separation system, and an anode cooling system and an anode pressure control system are arranged between the electric reactor outlet and the water-gas separation system.
Further, the water-gas separation system comprises a water-gas separation tank and a water discharge electromagnetic valve.
Further, the anode cooling system comprises a third heat exchanger, a hot side of the third heat exchanger is provided with a third heat exchanger hot side temperature sensor, and a cold side of the third heat exchanger is provided with a ball valve and a third heat exchanger cold side temperature sensor.
Further, the anode pressure control system comprises a back pressure proportional valve, a galvanic pile inlet pressure sensor and a galvanic pile outlet pressure sensor, wherein the back pressure proportional valve is arranged on the outlet pipeline, and the galvanic pile inlet pressure sensor and the galvanic pile outlet pressure sensor are respectively arranged at the inlet and the outlet of the galvanic pile.
Further, an environment bin is further arranged between the anode temperature control system and the electric pile inlet, and after the gas passes through the anode temperature control system, precooling can be performed through the environment bin, so that a subzero temperature effect is achieved.
Furthermore, each pipeline is also provided with corresponding conventional pipeline fittings such as a filter, a one-way valve, a pressure release valve and the like.
Compared with the prior art, the invention has the following beneficial effects:
(1) The anode pulse tail discharge simulation system can accurately control the mixing proportion of nitrogen and hydrogen, so that mixed gas with continuously adjustable nitrogen proportion is obtained on the anode side, the aim of simulating the influence of nitrogen concentration and humidity on the performance of a fuel cell in different pulse discharge periods is fulfilled, the output characteristic and efficiency of a pile under different altitudes are simulated by adjusting the nitrogen proportion, the system is favorable for exploring the reason that the performance of the product is reversibly attenuated and optimizing the operating conditions, and guidance can be provided for optimization of pulse discharge and improvement of the system.
(2) The humidity can be accurately controlled by utilizing the electric three-way valve, the mass flow meter and the anode humidifying system, and the hydrogen is in a dry state due to lower temperature under a high altitude state through dry-wet mixing simulation.
(3) A nitrogen flow control system, an anode humidifying system, an anode temperature control system, an anode cooling system, an anode pressure control system and a water-gas separation system are designed, and the simulation of the whole pulse tail exhaust system and the accurate control of temperature, humidity, pressure, gas flow and mixing proportion are guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals:
1. the system comprises a hydrogen pretreatment system, 2, a hydrogen mass flow controller, 3, an electric three-way valve, 4, a mass flow meter, 5, an anode humidification system, 6, a wet gas electromagnetic valve, 7, an anode temperature control system, 8, a galvanic pile inlet pressure sensor, 9, a galvanic pile inlet temperature sensor, 10, a galvanic pile outlet temperature sensor, 11, a galvanic pile outlet pressure sensor, 12, an anode cooling system, 13, an anode pressure control system, 14, a water-gas separation system, 15, a nitrogen pretreatment system, 16, a nitrogen mass flow controller, 17 and a nitrogen electromagnetic valve.
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.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
Example 1:
an anode pulse tail discharge simulation system for fuel cell stack test comprises a stack, a hydrogen pretreatment system 1, a nitrogen pretreatment system 15, a nitrogen flow control system, an anode humidification system 5, an anode temperature control system 7 and a stack discharge system;
(1) One end of the hydrogen pretreatment system 1 is connected with a hydrogen source, the other end of the hydrogen pretreatment system is connected to an inlet of the galvanic pile through an inlet pipeline, and a first connecting point and a second connecting point are arranged on the inlet pipeline;
hydrogen pretreatment system 1 includes the hydrogen conveyer pipe, is provided with first relief pressure valve, first filter and first solenoid valve on the hydrogen conveyer pipe, and hydrogen carries out pressure regulation and filters impurity back through first relief pressure valve, first filter, carries out hydrogen on-off switch control through first solenoid valve.
(2) One end of the nitrogen pretreatment system 15 is connected with a nitrogen source, and the other end is connected to a first connection point through a nitrogen branch pipe;
the nitrogen pretreatment system 15 comprises a nitrogen conveying pipe, and a second pressure reducing valve, a second filter and a second electromagnetic valve are arranged on the nitrogen conveying pipe; and after the hydrogen passes through the second pressure reducing valve and the second filter to regulate the pressure and filter impurities, the nitrogen on-off switch is controlled through the second electromagnetic valve.
(3) The nitrogen flow control system comprises a nitrogen mass flow controller 16 and a nitrogen electromagnetic valve 17, and the nitrogen mass flow controller 16 and the nitrogen electromagnetic valve 17 are sequentially arranged on the nitrogen branch pipe along the nitrogen flowing direction;
the nitrogen mass flow controller 16 is used to precisely control the nitrogen flow, and when the nitrogen is not required to be mixed, the nitrogen solenoid valve 17 is closed, so that the nitrogen mass flow controller 16 can be prevented from being reversely impacted by the hydrogen pressure.
(4) The anode flow control system comprises a hydrogen mass flow controller 2, an electric three-way valve 3, a mass flow meter 4 and a wet gas electromagnetic valve 6, wherein the hydrogen mass flow controller 2 is arranged on an inlet pipeline between the hydrogen pretreatment system 1 and a first connecting point, the electric three-way valve 3 and the mass flow meter 4 are arranged on an inlet pipeline between the first connecting point and a second connecting point, the air inlet end and the air outlet end of the anode humidification system 5 are respectively connected with the electric three-way valve 3 and the second connecting point, and the wet gas electromagnetic valve 6 is arranged between the air outlet end and the second connecting point of the anode humidification system 5;
hydrogen mass flow controller 2 is used for accurate control hydrogen flow, electric three-way valve 3 is one and advances two three-way valves, a mixing ratio for controlling distribution wet gas and dry gas, the mist of hydrogen and nitrogen gas is the dry gas, send into electric three-way valve 3's import, mass flow meter 4 is access to an export of electric three-way valve 3, thereby monitor the dry gas flow by mass flow meter 4, another export of electric three-way valve 3 is access to anode humidification system 5, thereby carry out the gas humidification, the import pipeline is remitted to the wet gas again, wet gas solenoid valve 6 is used for carrying out wet gas on-off control. It can be understood that, during actual application, can obtain present required dry-wet mixing proportion through humidity calculation, mass flow meter 4 monitors current dry gas flow, changes the aperture through PID algorithm control electronic three-way valve 3, realizes that dry gas moisture actual flow equals the demand flow.
(5) The anode humidifying system 5 comprises a humidifying tank and a circulating water path, a water pump outlet pressure sensor, a first heater and a first heat exchanger are arranged on the circulating water path, and a hot side and a cold side of the first heat exchanger are respectively provided with a first heat exchanger hot side temperature sensor and a first heat exchanger cold side proportional valve.
The air inlet and the air outlet on the humidification tank are the air inlet end and the air outlet end of the anode humidification system 5, the water pump is used for controlling the flow and the pressure of a circulating water path, the water pump outlet pressure sensor is used for feeding back the outlet pressure of the water pump in real time, the first heater, the first heat exchanger hot side temperature sensor and the first heat exchanger cold side proportional valve are used for heating and cooling the circulating water so as to accurately control the temperature of the loop, and the gas enters the humidification tank and then is sprayed and humidified to reach the set dew point temperature.
The humidification jar is equipped with level sensor, moisturizing solenoid valve and drain valve, and after long-time continuous operation, a large amount of water is taken away to gas, can carry out the moisturizing to the humidification jar through the level gauge detection, and the gas through the humidification jar is 100% RH humidity.
(6) The anode temperature control system 7 is arranged between the second connecting point and the inlet of the galvanic pile;
the anode temperature control system 7 comprises a second heater, a second plate heat exchanger, a galvanic pile inlet temperature sensor 9 and a galvanic pile outlet temperature sensor 10, the outlet of the second heater is provided with a second heater outlet temperature sensor, the hot side and the cold side of the second heat exchanger are respectively provided with a second heat exchanger hot side temperature sensor and a second heat exchanger cold side proportional valve, and the galvanic pile inlet temperature sensor 9 and the galvanic pile outlet temperature sensor 10 are respectively arranged at the inlet and the outlet of the galvanic pile and used for measuring the inlet temperature and the outlet temperature of the galvanic pile; and the reactor inlet temperature of the hydrogen-nitrogen mixed gas is accurately controlled by a second heater, a second plate heat exchanger, a reactor inlet temperature sensor 9 and a reactor outlet temperature sensor 10.
(7) The outlet of the galvanic pile is connected with an outlet pipeline, the pile discharging system is arranged on the outlet pipeline and comprises a water-gas separation system 14, and an anode cooling system 12 and an anode pressure control system 13 are further arranged between the outlet of the galvanic pile and the water-gas separation system 14.
The anode cooling system 12 comprises a third heat exchanger, a hot side of the third heat exchanger is provided with a third heat exchanger hot side temperature sensor, a cold side of the third heat exchanger is provided with a ball valve and a third heat exchanger cold side temperature sensor, and the third heat exchanger is used for cooling tail exhaust high-temperature gas.
The anode pressure control system 13 comprises a back pressure proportional valve, a galvanic pile inlet pressure sensor 9 and a galvanic pile outlet pressure sensor 11, the back pressure proportional valve is arranged on an outlet pipeline, the galvanic pile inlet pressure sensor 9 and the galvanic pile outlet pressure sensor 11 are respectively arranged at the inlet and the outlet of the galvanic pile and are used for measuring the inlet pressure and the outlet pressure of the galvanic pile; the back pressure of the whole pipeline is controlled by a back pressure proportional valve, so that the pressure of the gas entering the pile is controlled.
The water-gas separation system 14 comprises a water-gas separation tank and a water discharge electromagnetic valve, and can collect liquid water condensed and separated out after temperature reduction.
8 an environment bin is also arranged between the anode temperature control system 7 and the inlet of the electric pile, and after the gas passes through the anode temperature control system 7, precooling can be carried out through the environment bin, so that the effect of the subzero temperature is achieved.
In addition, the inlet pipeline and the outlet pipeline are not physically one pipeline, but are gas channels, and multiple sections of pipelines may be connected actually, which can be understood by related practitioners. In addition, conventional pipe fittings such as corresponding filters, check valves, pressure relief valves and the like are also arranged in each pipeline, and are not described herein again.
When the fuel cell is tested by using the device, the mixing proportion of nitrogen and hydrogen can be accurately controlled through the components such as the nitrogen flow control system, the anode flow control system and the like, so that mixed gas with continuously adjustable nitrogen proportion is obtained at the anode side, the aim of simulating the influence of nitrogen concentration and humidity on the performance of the fuel cell in different pulse exhaust periods is fulfilled, the device is beneficial to researching the reason of reversible attenuation of product performance and the optimization of operating conditions, and guidance can be provided for the optimization of pulse exhaust and the improvement of the system.
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. An anode pulse tail discharge simulation system for fuel cell stack testing is characterized by comprising a stack, a hydrogen pretreatment system (1), a nitrogen pretreatment system (15), a nitrogen flow control system, an anode humidification system (5), an anode temperature control system (7) and a stack discharge system;
one end of the hydrogen pretreatment system (1) is connected with a hydrogen source, the other end of the hydrogen pretreatment system is connected to an inlet of the galvanic pile through an inlet pipeline, and a first connecting point and a second connecting point are arranged on the inlet pipeline;
one end of the nitrogen pretreatment system (15) is connected with a nitrogen source, and the other end of the nitrogen pretreatment system is connected to a first connecting point through a nitrogen branch pipe;
the nitrogen flow control system comprises a nitrogen mass flow controller (16) and a nitrogen electromagnetic valve (17), wherein the nitrogen mass flow controller (16) and the nitrogen electromagnetic valve (17) are sequentially arranged on a nitrogen branch pipe along the nitrogen flowing direction;
the anode flow control system comprises a hydrogen mass flow controller (2), an electric three-way valve (3), a mass flow meter (4) and a wet gas electromagnetic valve (6), wherein the hydrogen mass flow controller (2) is arranged on an inlet pipeline between the hydrogen pretreatment system (1) and a first connecting point, the electric three-way valve (3) and the mass flow meter (4) are arranged on an inlet pipeline between the first connecting point and a second connecting point, the gas inlet end and the gas outlet end of the anode humidification system (5) are respectively connected with the electric three-way valve (3) and the second connecting point, and the wet gas electromagnetic valve (6) is arranged between the gas outlet end and the second connecting point of the anode humidification system (5);
the anode temperature control system (7) is arranged between the second connecting point and the inlet of the galvanic pile, the outlet of the galvanic pile is connected with an outlet pipeline, and the pile discharging system is arranged on the outlet pipeline.
2. The anode pulse tail row simulation system for the fuel cell stack test according to claim 1, wherein the hydrogen pretreatment system (1) comprises a hydrogen delivery pipe, and the hydrogen delivery pipe is provided with a first pressure reducing valve, a first filter and a first electromagnetic valve.
3. The anode pulse tail row simulation system for the fuel cell stack test according to claim 1, wherein the nitrogen pretreatment system (15) comprises a nitrogen delivery pipe, and the nitrogen delivery pipe is provided with a second pressure reducing valve, a second filter and a second electromagnetic valve.
4. The anode pulse tail row simulation system for the fuel cell stack test according to claim 1, wherein the anode humidification system (5) comprises a humidification tank and a circulating water path, a water pump outlet pressure sensor, a first heater and a first heat exchanger are arranged on the circulating water path, and a hot side and a cold side of the first heat exchanger are respectively provided with a first heat exchanger hot side temperature sensor and a first heat exchanger cold side proportional valve.
5. The system for simulating the tail row of the anode pulses in the fuel cell stack test according to claim 1, wherein the anode temperature control system (7) includes a second heater, a second plate heat exchanger, a stack inlet temperature sensor (9) and a stack outlet temperature sensor (10), an outlet of the second heater is provided with the second heater outlet temperature sensor, a hot side and a cold side of the second heat exchanger are respectively provided with a second heat exchanger hot side temperature sensor and a second heat exchanger cold side proportional valve, and the stack inlet temperature sensor (9) and the stack outlet temperature sensor (10) are respectively arranged at an inlet and an outlet of the stack.
6. The system for simulating the pulse tail discharge of the anode of the fuel cell stack test according to claim 1, wherein the stack discharge system comprises a water-gas separation system (14), and an anode temperature reduction system (12) and an anode pressure control system (13) are further arranged between the stack outlet and the water-gas separation system (14).
7. The anode pulse tail row simulation system for the fuel cell stack test according to claim 6, wherein the water-gas separation system (14) comprises a water-gas separation tank and a water discharge solenoid valve.
8. The system for simulating the anode pulse tail bank of the fuel cell stack test according to claim 6, wherein the anode cooling system (12) comprises a third heat exchanger, a hot side of the third heat exchanger is provided with a third heat exchanger hot side temperature sensor, and a cold side of the third heat exchanger is provided with a ball valve and a third heat exchanger cold side temperature sensor.
9. The system for simulating the anode pulse tail discharge of the fuel cell stack test according to claim 6, wherein the anode pressure control system (13) comprises a back pressure proportional valve, a stack inlet pressure sensor (9) and a stack outlet pressure sensor (11), the back pressure proportional valve is arranged on an outlet pipeline, and the stack inlet pressure sensor (9) and the stack outlet pressure sensor (11) are respectively arranged at an inlet and an outlet of the stack.
10. The anode pulse tail row simulation system for the fuel cell stack test according to claim 1, wherein an environmental chamber is further arranged between the anode temperature control system (7) and the inlet of the stack.
CN202211159476.0A 2022-09-22 2022-09-22 Anode pulse tail row simulation system for fuel cell stack test Pending CN115377461A (en)

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CN202211159476.0A CN115377461A (en) 2022-09-22 2022-09-22 Anode pulse tail row simulation system for fuel cell stack test

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Application Number Priority Date Filing Date Title
CN202211159476.0A CN115377461A (en) 2022-09-22 2022-09-22 Anode pulse tail row simulation system for fuel cell stack test

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116338261A (en) * 2023-03-29 2023-06-27 广东佛燃科技有限公司 Low-power high-temperature solid oxide fuel cell stack test system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116338261A (en) * 2023-03-29 2023-06-27 广东佛燃科技有限公司 Low-power high-temperature solid oxide fuel cell stack test system
CN116338261B (en) * 2023-03-29 2024-03-26 广东佛燃科技有限公司 Low-power high-temperature solid oxide fuel cell stack test system

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