CN111766519A - Fuel cell single cell test bench and test method - Google Patents
Fuel cell single cell test bench and test method Download PDFInfo
- Publication number
- CN111766519A CN111766519A CN202010670747.3A CN202010670747A CN111766519A CN 111766519 A CN111766519 A CN 111766519A CN 202010670747 A CN202010670747 A CN 202010670747A CN 111766519 A CN111766519 A CN 111766519A
- Authority
- CN
- China
- Prior art keywords
- test
- humidifier
- valve
- tee joint
- fuel cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/386—Arrangements for measuring battery or accumulator variables using test-loads
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a single cell test bench and a single cell test method for a fuel cell. The technical scheme of the invention is as follows: a fuel cell test bench and a test method thereof comprise a single cell, an air supply system, a humidification system, a thermal management system, a backpressure system and a test system. The scheme provided by the invention has the advantages that the platform has high flexibility, the range of switching parts can be freely adjusted according to the power of the electric pile, the operating parameters under various working conditions are accurately controlled, the design and the disassembly are simple, the cost is lower, the safety and the reliability are realized, and the performance test requirements of single batteries and small electric piles can be met.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a single cell test bench and a single cell test method for a fuel cell.
Background
The test bench for the fuel cell in the prior art has the defects of less functions, fussy disassembly and assembly, lower flexibility and improved space.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide a single cell test board and a test method for a fuel cell, which have comprehensive functions, convenient use and high flexibility.
In order to achieve the purpose, the invention provides the following technical scheme: a fuel cell single cell test bench and test method, comprising: including monocell, air supply system, humidification system, thermal management system, backpressure system and test system, air supply system includes the positive pole air feed unit that supplies with hydrogen to the positive pole of monocell and the negative pole air feed unit that supplies with the air to the negative pole of monocell, air supply system is still including the nitrogen gas air feed unit that can the monocell blow, humidification system is including being used for carrying out the first humidifier and the second humidifier of humidification with the hydrogen of positive pole air feed unit and the air of negative pole air feed unit, first humidifier and second humidifier pass through water pump connection first constant temperature water tank, thermal management system is including second constant temperature water tank and the water pump that can heat the monocell, backpressure system is including the pressure transmitter that is used for real-time supervision cathode and the gas outlet pressure of positive pole both sides and the unloading valve that carries out valve control to the tail gas of negative pole and positive pole both, the single cell comprises two end plates, and an insulating sealing gasket, a gold-plated current collecting plate, sealing carbon paper, a bipolar plate carbon plate, a hydrogen carbon plate, a sealing ring and an MEA (membrane electrode assembly) which are arranged between the two end plates, wherein a test system is arranged between the two gold-plated current collecting plates, and the test system is an electronic load.
Preferably, the anode gas supply unit comprises a hydrogen tank, a pressure reducing valve, an explosion-proof electromagnetic valve, a one-way valve, a first tee joint, a mass flow controller, an explosion-proof reversing valve, a first humidifier and a second tee joint connected with the anode of the single cell, which are connected in sequence.
Preferably, the cathode gas supply unit comprises a fan, a one-way valve, a third tee joint, a mass flow controller, a reversing valve, a second humidifier and a fourth tee joint connected with the cathode of the single cell, which are connected in sequence.
Preferably, the nitrogen gas supply unit comprises a nitrogen gas tank, a pressure reducing valve, an electromagnetic valve, a fifth tee joint, a one-way valve arranged between the fifth tee joint and the first tee joint, and a one-way valve arranged between the fifth tee joint and the third tee joint.
Preferably, a liquid flow meter is arranged between the water pump and the first and second humidifiers.
Preferably, the two end plates are connected through bolts.
A method of testing a fuel cell test stand, comprising the steps of:
s1, opening an electromagnetic valve of the nitrogen supply unit, starting nitrogen purging, simultaneously starting a thermal management system, and performing preheating treatment on the single cells;
s2, stopping nitrogen supply when the temperature of the single cell reaches 80 ℃, starting an explosion-proof electromagnetic valve of the anode gas supply unit and a fan of the cathode gas supply unit to supply hydrogen and air, and simultaneously starting a constant-temperature water tank of the humidifier to perform heat and humidity exchange treatment on the gas;
s3, setting the electronic load at low current density, and performing activation treatment on the single cell;
s4, performing performance test after activation, and adjusting the flow rate of a water pump of the thermal management system to be small at the moment, so that the heating power of the battery during normal operation is increased, and extra heat is not needed;
s5, closing the humidifying system and the thermal management system;
s6, closing the anode gas supply unit and the cathode gas supply unit, switching the nitrogen gas supply unit, cooling the battery and the hardware support thereof, and simultaneously purging unreacted hydrogen and oxygen attached to the Pt/C catalyst;
and S7, closing the nitrogen supply unit and completely shutting down the machine.
Preferably, between steps S5 and S6, the electronic load is adjusted to a constant voltage state for discharging, and the shutdown protection mechanism of the battery is started to avoid corrosion of the Pt/C catalyst on the membrane electrode caused by directly disconnecting the circuit, and the explosion-proof solenoid valve is closed.
Compared with the prior art, the invention has the advantages of high platform flexibility, capability of freely adjusting and switching the range of parts according to the power of the electric pile, accurate control of operating parameters under various working conditions, simple design and disassembly, lower cost, safety and reliability, and capability of meeting the performance test requirements of single cells and small electric piles.
Drawings
FIG. 1 is a schematic diagram of the structure of a single cell testing table and testing method of the fuel cell of the present invention;
fig. 2 is a schematic structural view of a single cell of the present invention;
fig. 3 is an exploded view of a cell of the present invention.
In the figure: 1. a single cell; 2. an air supply system; 3. a humidification system; 4. a thermal management system; 5. a backpressure system; 6. an anode gas supply unit; 7. a cathode gas supply unit; 8. a nitrogen gas supply unit; 9. a hydrogen tank; 10. a pressure reducing valve; 11. an explosion-proof solenoid valve; 12. a one-way valve; 13. a first tee joint; 14. a mass flow controller 15, an explosion-proof reversing valve; 16. a first humidifier; 17. a second tee joint; 18. a fan; 19. a third tee joint; 20. a diverter valve; 21. a second humidifier; 22. a fourth tee joint; 23. a nitrogen tank; 24. an electromagnetic valve; 25. a fifth tee joint; 26. a liquid flow meter; 27. a first constant temperature water tank; 28. a second constant temperature water tank; 29. a water pump; 30. a pressure transmitter; 31. an unloading valve; 32. an end plate; 33. an insulating gasket; 34. a gold-plated current collecting plate; 35. sealing the carbon paper; 36. a bipolar plate carbon plate; 37. a hydrogen carbon plate; 38. a seal ring; 39. an MEA; 40. an electronic load; 41. an electrode output end; 42. a water heating inlet; 43. a hydrogen inlet; 44. a hydrogen outlet; 45. a heated water outlet; 46. an air inlet; 47. air and reaction water outlet.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, a fuel cell test stand and a test method: including monocell, air supply system, humidification system, thermal management system, backpressure system and test system, air supply system includes the positive pole air feed unit that supplies with hydrogen to the positive pole of monocell and the negative pole air feed unit that supplies with the air to the negative pole of monocell, air supply system is still including the nitrogen gas air feed unit that can the monocell blow, humidification system is including being used for carrying out the first humidifier and the second humidifier of humidification with the hydrogen of positive pole air feed unit and the air of negative pole air feed unit, first humidifier and second humidifier pass through water pump connection first constant temperature water tank, thermal management system is including second constant temperature water tank and the water pump that can heat the monocell, backpressure system is including the pressure transmitter that is used for real-time supervision cathode and the gas outlet pressure of positive pole both sides and the unloading valve that carries out valve control to the tail gas of negative pole and positive pole both, the single cell comprises two end plates, and an insulating sealing gasket, a gold-plated current collecting plate, sealing carbon paper, a bipolar plate carbon plate, a hydrogen carbon plate, a sealing ring and an MEA (membrane electrode assembly) which are arranged between the two end plates, wherein a test system is arranged between the two gold-plated current collecting plates, and the test system is an electronic load.
Preferably, the anode gas supply unit comprises a hydrogen tank, a pressure reducing valve, an explosion-proof electromagnetic valve, a one-way valve, a first tee joint, a mass flow controller, an explosion-proof reversing valve, a first humidifier and a second tee joint connected with the anode of the single cell, which are connected in sequence.
Preferably, the cathode gas supply unit comprises a fan, a one-way valve, a third tee joint, a mass flow controller, a reversing valve, a second humidifier and a fourth tee joint connected with the cathode of the single cell, which are connected in sequence.
Preferably, the nitrogen gas supply unit comprises a nitrogen gas tank, a pressure reducing valve, an electromagnetic valve, a fifth tee joint, a one-way valve arranged between the fifth tee joint and the first tee joint, and a one-way valve arranged between the fifth tee joint and the third tee joint.
Preferably, a liquid flow meter is arranged between the water pump and the first and second humidifiers.
Preferably, the two end plates are connected through bolts.
The fuel cell single cell test bench comprises single cells, a gas supply system, a humidifying system, a heat management system and a backpressure system, is high in platform flexibility, can freely adjust and switch the range of parts according to the power of a cell stack, is accurately controlled according to operating parameters under various working conditions, is simple in design and disassembly, low in cost, safe and reliable, and can meet the performance test requirements of the single cells and small cell stacks.
The functions of each part in the gas supply system are as follows: the explosion-proof electromagnetic valve and the electromagnetic valve control the on-off of the hydrogen and the nitrogen through computer signals so as to switch between a nitrogen purging mode and a fuel gas supply mode. The fan controls the rotating speed of the fan by using a PLC given signal value, so that the aim of controlling the air flow rate is fulfilled; the check valve prevents nitrogen from entering the hydrogen and air source flow channel in a nitrogen purging mode before starting and after shutdown, and prevents hydrogen and air from entering the nitrogen source flow channel in a fuel cell working mode; the mass flow controller controls and processes the gas flow rate and feeds back real-time flow rate data, and is one of important parts in a fuel cell testing system.
A humidification system: the hydrogen and air are humidified, and meanwhile, the heat exchange function is realized, and the gas is heated to 80 ℃ so as to achieve the optimal heat exchange and humidity exchange effect. The temperature sensor in front of the battery inlet is used for monitoring the gas temperature, and the temperature of the deionized water of the constant-temperature water tank is controlled to realize accurate control, so that a heating device before the gas enters the battery is omitted, the system design is simplified, and the system cost is reduced; the constant-temperature water tank and the auxiliary matching equipment of the humidifier provide a constant-temperature deionized water source for the humidifier; the water pump provides power for the continuous circulation of the deionized water in the constant-temperature water tank, the humidifier and the constant-temperature water tank, and the opening of the water pump can be controlled through a PLC signal, so that the flow rate of the deionized water is controlled, and the water pump can be used in a matched manner under the working conditions of different gas flow rates; the liquid flowmeter is used for monitoring the flow rate of the deionized water in the circulation and feeding back accurate real-time data; the reversing electromagnetic valve enables gas to flow through two routes, namely, the gas passes through the humidifier and directly enters the battery by bypassing the humidifier, so that the battery can be freely and conveniently switched in a dry/wet gas working mode;
the heat management system comprises: the constant-temperature water tank is used for carrying out hydrothermal treatment on a single cell or a small-sized electric pile, and is matched with the flow channel distribution and the temperature measuring point distribution of the graphite bipolar plate which are independently designed, compared with the common design of a cell for heating an end plate, the method has the advantages that the heat flow density distribution is more uniform, the temperature monitoring is carried out at a position closer to the membrane electrode, and the temperature of the electrochemical reaction on the membrane electrode is more truly reflected; the water pump also provides power for the continuous circulation of the deionized water in the constant-temperature water tank, the battery and the constant-temperature water tank, and controls the opening of the water pump through the temperature sensor on the bipolar plate, so that the flow speed of the deionized water is controlled to change the heat exchange power, and the accurate control of the temperature is realized; the liquid flowmeter is also used for monitoring the flow rate of circulating water and can be used in cooperation with the water pump to be more accurate in control;
a back pressure system: the unloading valve is used for controlling the valves of the tail gases at the two sides of the cathode and the anode, the valves are opened when the pressure exceeds a set pressure, and the valves are closed when the pressure does not exceed the set pressure to realize gas pressure maintaining, so that the gas pressure is kept under a certain pressure in the working state of the battery, the output of the performance of the battery is more facilitated, the back pressure of the battery can be changed by changing the model of a matched spring in the battery, and the running state of the battery under different back pressure is realized; the pressure transmitter monitors the gas outlet pressure at the two sides of the cathode and the anode in real time and is matched with the unloading valve to realize the operation condition of gas back pressure;
in addition, this subsystem can develop at least two new functions:
the two sides of the cathode and the anode have different back pressures, a certain pressure difference is adopted on the two sides, the back pressure of the cathode side is usually higher than that of the anode side because water is generated on the cathode side, and due to the concentration difference, part of the water can be freely diffused to the anode, and when the pressure difference exists, part of the water can be forcibly diffused to the anode, so that the flooding phenomenon of the cathode is weakened, a proton exchange membrane is wetted, and the performance of the cell is improved;
after the battery pack is assembled and connected with a test system, nitrogen can be respectively introduced to the two sides of the cathode and the anode to evaluate and detect the tightness of the battery assembly and the system, the unloading valve is closed, all valves of the pipeline are closed after the battery pack is pressurized to a certain pressure (which is lower than the pressure of the opening of the unloading valve), and the numerical loss rate of the pressure transmitter is recorded, so that the tightness of the system and the battery assembly can be accurately and reliably evaluated.
The electronic load is connected with a collector plate of the fuel cell to realize a series of common test methods such as activation of the fuel cell, test of a polarization curve, stability test and the like.
The single cell test stand module mainly comprises an end plate, an insulating sealing gasket, a gold-plated current collecting plate, sealing carbon paper, a bipolar plate carbon plate, a hydrogen carbon plate, a sealing ring, MEA (membrane electrode assembly) and the like, and each part mainly has the following functions:
the end plate plays a role in bearing and supporting in the single cell test bench, and the single cell system adopts 4 pull rods to fix and seal each plate of the single cell with a certain pulling force; insulating sealing gasket: the sealing gasket is made of silicon rubber and is placed between the end plate and the gold-plated current collecting plate to play an insulating role; gold-plating current collecting plate: collecting current generated on a single-cell graphite carbon plate, outputting the current from an interface at the upper part of the current collecting plate to the outside, and simultaneously playing a certain supporting role on the graphite carbon plate; sealing the carbon paper: the sealing carbon paper is made of carbon fibers, is placed between a gold-plated current collecting plate and a bipolar plate carbon plate, and acts as: firstly, single cell discharge electrons are transmitted to a metal collector plate through sealed carbon paper to output current outwards; secondly, the gap between the gold-plated current collecting plate and the carbon plate of the bipolar plate is sealed, and the air tightness of the system is ensured; carbon plate of bipolar plate: the carbon plate is connected with the hydrogen-carbon plate by hot-melt conductive adhesive, and forms a closed cavity with the water heating flow channel of the hydrogen-carbon plate, so that the effect of sealing the water heating cavity is achieved. The carbon plate is provided with a slotted hole for bearing a temperature thermocouple; a hydrogen carbon plate: the carbon plate is of a double-sided flow channel structure, the side facing the MEA is a single cell reaction side, and media such as hydrogen, air, nitrogen or reaction water are arranged in the flow channel; the other side is a water heating flow passage which is used for bearing and heating water; sealing rings: the sealing ring is arranged between the hydrogen carbon plate and the MEA film and interacts with the sealing ring at the other side, and pore channel media between the hydrogen carbon plates cannot blow by gas or leak water, and the pore channels are isolated and sealed by adopting a sealing ring structure; MEA: the carbon paper (carbon cloth), catalyst and membrane are combined into a whole, which is a place for electrochemical reaction of monocells, and the carbon paper, catalyst and membrane are conductive and can transmit water generated by electrochemical reaction.
A method of testing a fuel cell test stand, comprising the steps of:
s1, opening an electromagnetic valve of the nitrogen supply unit, starting nitrogen purging, simultaneously starting a thermal management system, and performing preheating treatment on the single cells;
s2, stopping nitrogen supply when the temperature of the single cell reaches 80 ℃, starting an explosion-proof electromagnetic valve of the anode gas supply unit and a fan of the cathode gas supply unit to supply hydrogen and air, and simultaneously starting a constant-temperature water tank of the humidifier to perform heat and humidity exchange treatment on the gas;
s3, setting the electronic load at low current density, and performing activation treatment on the single cell;
s4, performing performance test after activation, and adjusting the flow rate of a water pump of the thermal management system to be small at the moment, so that the heating power of the battery during normal operation is increased, and extra heat is not needed;
s5, closing the humidifying system and the thermal management system;
s6, closing the anode gas supply unit and the cathode gas supply unit, switching the nitrogen gas supply unit, cooling the battery and the hardware support thereof, and simultaneously purging unreacted hydrogen and oxygen attached to the Pt/C catalyst;
and S7, closing the nitrogen supply unit and completely shutting down the machine.
Preferably, between steps S5 and S6, the electronic load is adjusted to a constant voltage state for discharging, and the shutdown protection mechanism of the battery is started to avoid corrosion of the Pt/C catalyst on the membrane electrode caused by directly disconnecting the circuit, and the explosion-proof solenoid valve is closed.
The heated hydrogen and air respectively enter the bipolar plate hydrogen-carbon plate flow channel through the connecting pipe holes shown in the attached drawings 1 to 3, hydrogen ions generated on the surface of the MEA catalyst penetrate through the membrane electrode and enter the oxygen flow channel to react with oxygen to generate water, and the hydrogen ions are generated and simultaneously release electrons to form current through a load loop externally connected with the bipolar plate and the gold-plated current collecting plate. The device is characterized in that a single-side inlet and an outlet of two media, namely hydrogen and air, are placed on the same side, so that the system arrangement is facilitated, water heating runners are arranged on two sides, water flows from one side to the other side, and an external constant-temperature water tank ensures that the temperature of external water is constant and adjustable, so that a bipolar plate carbon plate is rapidly heated to the design temperature in the starting stage of the monocell test.
The bipolar plate heating adopts water heating to replace the original electric heating mode, the water temperature control mode is more flexible and the control mode is accurate, the temperature of the bipolar plate can be adjusted at any time through carrying out temperature feedback on a thermocouple in the inserted bipolar plate, the temperature is not over-temperature, and then the activity of the MEA is influenced, and the test effect is influenced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A fuel cell test bench and a test method are characterized in that: including monocell, air supply system, humidification system, thermal management system, backpressure system and test system, air supply system includes the positive pole air feed unit that supplies with hydrogen to the positive pole of monocell and the negative pole air feed unit that supplies with the air to the negative pole of monocell, air supply system is still including the nitrogen gas air feed unit that can the monocell blow, humidification system is including being used for carrying out the first humidifier and the second humidifier of humidification with the hydrogen of positive pole air feed unit and the air of negative pole air feed unit, first humidifier and second humidifier pass through water pump connection first constant temperature water tank, thermal management system is including second constant temperature water tank and the water pump that can heat the monocell, backpressure system is including the pressure transmitter that is used for real-time supervision cathode and the gas outlet pressure of positive pole both sides and the unloading valve that carries out valve control to the tail gas of negative pole and positive pole both, the single cell comprises two end plates, and an insulating sealing gasket, a gold-plated current collecting plate, sealing carbon paper, a bipolar plate carbon plate, a hydrogen carbon plate, a sealing ring and an MEA (membrane electrode assembly) which are arranged between the two end plates, wherein a test system is arranged between the two gold-plated current collecting plates, and the test system is an electronic load.
2. A fuel cell test stand and test method according to claim 1, characterized in that: the anode gas supply unit comprises a hydrogen tank, a pressure reducing valve, an explosion-proof electromagnetic valve, a one-way valve, a first tee joint, a mass flow controller, an explosion-proof reversing valve, a first humidifier and a second tee joint connected with the anode of the monocell, wherein the hydrogen tank, the pressure reducing valve, the explosion-proof electromagnetic valve, the one-way valve, the first tee joint, the mass flow controller, the explosion-.
3. A fuel cell test stand and test method according to claim 1, characterized in that: the cathode gas supply unit comprises a fan, a one-way valve, a third tee joint, a mass flow controller, a reversing valve, a second humidifier and a fourth tee joint connected with the cathode of the monocell, wherein the fan, the one-way valve, the third tee joint, the mass flow controller, the reversing valve and the second humidifier are sequentially connected.
4. A fuel cell test stand and test method according to claim 1, characterized in that: the nitrogen gas supply unit comprises a nitrogen gas tank, a pressure reducing valve, an electromagnetic valve, a fifth tee joint, a one-way valve arranged between the fifth tee joint and the first tee joint, and a one-way valve arranged between the fifth tee joint and the third tee joint.
5. A fuel cell test stand and test method according to claim 1, characterized in that: and a liquid flow meter is arranged between the water pump and the first humidifier as well as between the water pump and the second humidifier.
6. A fuel cell test stand and test method according to claim 1, characterized in that: the two end plates are connected through bolts.
7. A testing method of a single fuel cell testing table is characterized in that: the method comprises the following steps: s1, opening an electromagnetic valve of the nitrogen supply unit, starting nitrogen purging, simultaneously starting a thermal management system, and performing preheating treatment on the single cells;
s2, stopping nitrogen supply when the temperature of the single cell reaches 80 ℃, starting an explosion-proof electromagnetic valve of the anode gas supply unit and a fan of the cathode gas supply unit to supply hydrogen and air, and simultaneously starting a constant-temperature water tank of the humidifier to perform heat and humidity exchange treatment on the gas;
s3, setting the electronic load at low current density, and performing activation treatment on the single cell;
s4, performing performance test after activation, and adjusting the flow rate of a water pump of the thermal management system to be small at the moment, so that the heating power of the battery during normal operation is increased, and extra heat is not needed;
s5, closing the humidifying system and the thermal management system;
s6, closing the anode gas supply unit and the cathode gas supply unit, switching the nitrogen gas supply unit, cooling the battery and the hardware support thereof, and simultaneously purging unreacted hydrogen and oxygen attached to the Pt/C catalyst;
and S7, closing the nitrogen supply unit and completely shutting down the machine.
8. A testing method of a fuel cell testing stand according to claim 7, characterized in that: between steps S5 and S6, the electronic load is adjusted to a constant voltage state for discharging, and a shutdown protection mechanism of the battery is started to avoid corrosion of the Pt/C catalyst on the membrane electrode caused by directly disconnecting the circuit, and the explosion-proof solenoid valve is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670747.3A CN111766519A (en) | 2020-07-13 | 2020-07-13 | Fuel cell single cell test bench and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670747.3A CN111766519A (en) | 2020-07-13 | 2020-07-13 | Fuel cell single cell test bench and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111766519A true CN111766519A (en) | 2020-10-13 |
Family
ID=72726440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670747.3A Pending CN111766519A (en) | 2020-07-13 | 2020-07-13 | Fuel cell single cell test bench and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111766519A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731166A (en) * | 2020-12-31 | 2021-04-30 | 东软睿驰汽车技术（沈阳）有限公司 | Lossless cooling control method and device based on PACK battery and electronic equipment |
| CN112763922A (en) * | 2020-12-25 | 2021-05-07 | 新源动力股份有限公司 | Single cell testing method and device for simulating state of cell stack |
| CN112782583A (en) * | 2020-12-10 | 2021-05-11 | 江苏耀扬新能源科技有限公司 | Method for screening and matching fuel cell single-chip cell and test fixture |
| CN112909306A (en) * | 2021-01-07 | 2021-06-04 | 武汉众宇动力系统科技有限公司 | Shutdown working method of fuel cell test bench |
| CN114131560A (en) * | 2021-12-25 | 2022-03-04 | 中国电子科技集团公司第十四研究所 | Embedded joint nondestructive dismounting device and dismounting method |
| CN115172810A (en) * | 2022-06-22 | 2022-10-11 | 厦门大学 | Novel fuel cell structure with multistage power conversion function |
| CN115184815A (en) * | 2022-06-22 | 2022-10-14 | 中汽创智科技有限公司 | Fuel cell monocell test system |
-
2020
- 2020-07-13 CN CN202010670747.3A patent/CN111766519A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782583A (en) * | 2020-12-10 | 2021-05-11 | 江苏耀扬新能源科技有限公司 | Method for screening and matching fuel cell single-chip cell and test fixture |
| CN112763922A (en) * | 2020-12-25 | 2021-05-07 | 新源动力股份有限公司 | Single cell testing method and device for simulating state of cell stack |
| CN112763922B (en) * | 2020-12-25 | 2023-11-10 | 新源动力股份有限公司 | Single cell testing method and device for simulating state of galvanic pile |
| CN112731166A (en) * | 2020-12-31 | 2021-04-30 | 东软睿驰汽车技术（沈阳）有限公司 | Lossless cooling control method and device based on PACK battery and electronic equipment |
| CN112909306A (en) * | 2021-01-07 | 2021-06-04 | 武汉众宇动力系统科技有限公司 | Shutdown working method of fuel cell test bench |
| CN114131560A (en) * | 2021-12-25 | 2022-03-04 | 中国电子科技集团公司第十四研究所 | Embedded joint nondestructive dismounting device and dismounting method |
| CN114131560B (en) * | 2021-12-25 | 2023-12-15 | 中国电子科技集团公司第十四研究所 | Nondestructive dismounting device and dismounting method for embedded joint |
| CN115172810A (en) * | 2022-06-22 | 2022-10-11 | 厦门大学 | Novel fuel cell structure with multistage power conversion function |
| CN115184815A (en) * | 2022-06-22 | 2022-10-14 | 中汽创智科技有限公司 | Fuel cell monocell test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111766519A (en) | Fuel cell single cell test bench and test method | |
| CN111211338B (en) | High-pressure proton exchange membrane fuel cell power system | |
| CN201237636Y (en) | Fuel cell test system | |
| JP5472905B2 (en) | Fuel cell system | |
| CA2389197C (en) | Fuel cell and method of operating same | |
| CN113097535B (en) | Water heat management system of self-humidifying fuel cell and control method thereof | |
| CN102375122A (en) | Intermediate-power and low-power proton exchange membrane fuel cell test system | |
| JP2021501966A (en) | Arrangement and usage of fuel cell modules with leak recovery capability | |
| CN109728326B (en) | Fuel gas system of fuel cell and vehicle | |
| CN101728556A (en) | Method for remedial action in the event of the failure of the primary air flow measurement device in a fuel cell system | |
| CN112599818A (en) | Water management system of proton fuel cell | |
| CN201238067Y (en) | Electric pile activation system of fuel cell | |
| CN110931831A (en) | Fuel cell dynamic performance test system | |
| KR101955677B1 (en) | Multi-channels fuel cell test station | |
| KR20100091020A (en) | Fuel cell system and method controlling humidification thereof | |
| KR20180068159A (en) | Fuel cell symtem | |
| CN110190307B (en) | Fuel cell system and humidity control method thereof | |
| KR101610063B1 (en) | Fuel cell system | |
| CN212301791U (en) | Fuel cell single cell test bench | |
| CN209592196U (en) | A kind of simple humidifying device suitable for fuel cell electro-chemical test | |
| CN110212221B (en) | Fuel cell and humidity control method thereof | |
| CN115326669A (en) | System and method for detecting hydrogen permeability of proton exchange membrane of fuel cell | |
| CN111584899B (en) | Control system of air-cooled fuel cell stack | |
| RU69322U1 (en) | FUEL BATTERY FOR A STAND-ALONE POWER SUPPLY | |
| JP2010192292A (en) | Fuel cell system and method for operating the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |