CN109728331A - One proton exchanging film fuel battery dynamic performance testing system and its working method - Google Patents
One proton exchanging film fuel battery dynamic performance testing system and its working method Download PDFInfo
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- CN109728331A CN109728331A CN201811455866.6A CN201811455866A CN109728331A CN 109728331 A CN109728331 A CN 109728331A CN 201811455866 A CN201811455866 A CN 201811455866A CN 109728331 A CN109728331 A CN 109728331A
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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
Abstract
The invention discloses a proton exchanging film fuel battery dynamic performance testing system, including hydrogen cylinder, filters, triple valve, flow control valve, shut-off valve, temperature sensor, humidity sensor, pressure sensor, flow sensor, spray equipment, pem fuel cell stack, air compressor machine, pressure reducing valve, PC controller and display device.The invention also discloses the working methods of a proton exchanging film fuel battery test macro, the control of single parameter is carried out to Proton Exchange Membrane Fuel Cells air inlet gas, keep other parameters constant simultaneously, Proton Exchange Membrane Fuel Cells is repeatedly tested in the case, probes into the optimized parameter of fuel cell；The water cycle cooling system that waste heat can be generated in reaction for Proton Exchange Membrane Fuel Cells simultaneously and designed, and make full use of thermal energy in recirculated water, not only it had improved efficiency but also had reduced energy loss, Proton Exchange Membrane Fuel Cells reaction only generates water, will not pollute the environment.
Description
Technical field
The invention belongs to fuel cell test fields, and in particular to a proton exchanging film fuel battery dynamic performance testing
System and its working method.
Background technique
Fuel cell is the device that the chemical energy of fuel is directly translated into electric energy, and electrochemical reaction only occurs, does not fire
Burning process is because having high energy conversion efficiency without being limited by Carnot cycle.
Fuel cell can be ideal all solid state mechanical structure, i.e., without moveable component, such system will dive
Have high reliability and long-life.And generate water when fuel cell is using hydrogen and oxygen as fuel, do not pollute and
It can recycle, it is more friendly to environment.
Fuel cell can be used as car combustion engine due to having many advantages, such as that high-efficient, pollution-free, service life is long and high reliability
Substitute products, can also be applied in small-sized centrally connected power supply or decentralized power-supply system, be the environmentally protective energy, great development is latent
Power and application prospect.
Proton Exchange Membrane Fuel Cells can in low-temperature working, and power density with higher thus application it is upper very by
It welcomes.In to test of the fuel battery temperature to performance, repeatedly to be tested, therefore to reduce other unnecessary factors pair
The influence of experiment.Patent (CN200810300846.1) gives the method and way that fuel battery humidifying is multi-parameter performance test
Diameter.But multi-parameter performance test methods under not humidification state are not provided, thus not accurate enough analysis battery dynamic property.
And without carrying out Water-cooling circulating, fuel cell efficiency is influenced.Therefore, fuel cell dynamic performance testing is also needed further
Research.
Therefore, it is necessary to carry out significantly more efficient control in multi-parameters such as flow, temperature, humidity to fuel cell, propose
The scheme of more feasible test fuel cell dynamic property.
Summary of the invention
The purpose of the invention is to improve the parameter of test Proton Exchange Membrane Fuel Cells dynamic property, by controlling it
In the case where his parameter constant, single parameter is changed to obtain the optimal value of parameter, is handed over convenient for being better understood by proton
Change the dynamic property of membrane cell.
The present invention provides a proton exchanging film fuel battery dynamic performance testing system, including hydrogen cylinder, the first mistakes
Filter, the first triple valve, first flow control valve, the second triple valve, the first shut-off valve, first sensor group, the first spray dress
It sets, pem fuel cell stack, air compressor machine, pressure reducing valve, the second filter, second flow control valve, the 4th triple valve, the
Two sensor groups, third shut-off valve, the second spray equipment, PC controller and display device；
It is connected with first filter, the first triple valve, first-class between the hydrogen cylinder and second triple valve in turn
Control valve；
First sensor group is connected between second triple valve and the pem fuel cell stack；
Second triple valve connects the first spray equipment；First spray equipment connects the first shut-off valve to described the
Pipeline between two triple valves and the first sensor group；First spray equipment is also connected with Proton Exchange Membrane Fuel Cells
Heap；
The air compressor machine and the 4th triple valve are connected with pressure reducing valve, the second filter, second flow control valve in turn；
Second sensor group is connected between 4th triple valve and the pem fuel cell stack；
4th triple valve connects the second spray equipment；Second spray equipment connects third shut-off valve to described the
Pipeline between four triple valves and the second sensor group；Second spray equipment is also connected with Proton Exchange Membrane Fuel Cells
Heap；
The third triple valve is connected with the pem fuel cell stack, the 5th triple valve and the proton
Exchange film fuel battery heap is connected, and the PC controller and display device are connected with the pem fuel cell stack.
Further, nitrogen cylinder is connected on first triple valve.
Further, between first spray equipment and pem fuel cell stack since the first spray equipment
It is sequentially connected the second shut-off valve and primary heater；From between second spray equipment and pem fuel cell stack
Two spray equipments start to be sequentially connected the 4th shut-off valve and secondary heater.
Further, the first sensor group includes sequentially connected first temperature sensor, the first humidity sensor,
First pressure sensor and first flow sensor；First temperature sensor is connected with the second triple valve, described first-class
Quantity sensor is connected with pem fuel cell stack；
The second sensor group includes sequentially connected second temperature sensor, the second humidity sensor, second pressure
Sensor and second flow sensor；The 4th triple valve of second temperature sensor be connected, the second flow sensor with
Pem fuel cell stack is connected.
Further, third triple valve, institute are provided between the primary heater and pem fuel cell stack
It states and is provided with the 5th triple valve between secondary heater and pem fuel cell stack, the third triple valve and the five or three
Water-cooling circulating device is connected between port valve.
Further, the Water-cooling circulating device includes sequentially connected centrifugal pump, water tank and sink, wherein it is described from
Heart pump is connected with the third triple valve, and the water tank is connected with the 5th triple valve, and the sink is connected with water tank.
Further, the water tank side is provided with radiator fan.
The working method of this proton exchanging film fuel battery dynamic performance testing system, step include:
Hydrogen is provided by hydrogen cylinder, first passes around connection first filter, the first triple valve, first flow control valve extremely
Second triple valve, inside first sensor group to pem fuel cell stack；
Meanwhile by air compressor machine collect air, air pass through pressure reducing valve, the second filter, second flow control valve, the 4th
Triple valve inside second sensor group to pem fuel cell stack, is sufficiently reacted with hydrogen.
Further, it when gas, which needs to humidify, enters fuel battery inside reaction, then needs to open on gas piping
First spray equipment and the second spray equipment, respectively add hydrogen and air through the first spray equipment and the second spray equipment
Wet process；Water can be heated by primary heater and secondary heater simultaneously, the water after heating sprays gas
Leaching controls gas temperature by controlling the temperature of water.
Further, respectively arranged first flow control valve and second flow control valve on hydrogen and air pipe line,
The concentration of hydrogen and oxygen in anode and cathode reaction is controlled by flow control valve, obtains Proton Exchange Membrane Fuel Cells
The optimal performance under pure gas changes in flow rate.
The present invention has the advantages that
1, the present invention is to make hydrogen or air under the identical environment of its dependent variable respectively set, measures not equality of temperature respectively
Degree, humidity and flow influence the performance of Proton Exchange Membrane Fuel Cells, to obtain property of the fuel cell under each environment
It can parameter.
2, the fuel cell stack system that single parameter compares, method safety, more stable survey can be tested using the present invention
Performance parameter of the fuel cell under unitary variant is obtained, more comprehensively understanding Performance data, and the test reaction of this fuel cell
After only generate water, do not contain any pollutant, realize the zero-emission of pollutant.
Detailed description of the invention
Fig. 1 is the overall plan flow chart of the embodiment of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description, and following embodiment is intended to illustrate hair
Bright rather than limitation of the invention further.
The present invention provides a proton exchanging film fuel battery dynamic performance testing system, including hydrogen cylinder 1, the first mistakes
Filter 2, the first triple valve 4, first flow control valve 5, the second triple valve 6, the first shut-off valve 7, first sensor group 100, the
One spray equipment 12, pem fuel cell stack 20, air compressor machine 21, pressure reducing valve 22, the second filter 23, second flow control
Valve 24 processed, the 4th triple valve 25, second sensor group 200, third shut-off valve 30, the second spray equipment 31, PC controller and aobvious
Showing device 35；
It is connected with first filter 2, the first triple valve 4, between the hydrogen cylinder 1 and second triple valve 6 in turn
Flow control valve 5；First sensor is connected between second triple valve 6 and the pem fuel cell stack 20
Group 100；
Second triple valve 6 connects the first spray equipment 12；First spray equipment 12 connect the first shut-off valve 7 to
Pipeline between second triple valve 6 and the first sensor group 100；First spray equipment 12 is also connected with proton friendship
Change film fuel battery stack 20；
The air compressor machine 21 is connected with pressure reducing valve 22, the second filter 23, second in turn with the 4th triple valve 25
Control valve 24；Second sensor group is connected between 4th triple valve 25 and the pem fuel cell stack 20
200；
4th triple valve 25 connects the second spray equipment 31；Second spray equipment 31 connects third shut-off valve 30
To the pipeline between the 4th triple valve 25 and second sensor group 200；Second spray equipment 31 is also connected with proton friendship
Change film fuel battery stack 20；
The PC controller and display device 35 are connected with the pem fuel cell stack 20.
It is connected with nitrogen cylinder 3 on first triple valve 4, forms parallel-connection structure with hydrogen cylinder 1, nitrogen cylinder 3 is as protection
Device.
Between first spray equipment 12 and pem fuel cell stack 20 since the first spray equipment 12 according to
The second shut-off valve 13 of secondary connection and primary heater 14；Second spray equipment 31 and pem fuel cell stack 20 it
Between be sequentially connected the 4th shut-off valve 32 and secondary heater 33 since the second spray equipment 31；
It is equipped with shut-off valve and heater after spray equipment, the temperature of water is controlled by heater, and then pass through spray dress
Set the control that temperature and humidity is carried out to gas；It is equipped with triple valve and shut-off valve in two pipeline of spray equipment, can both test gas
The body not response characteristic under humidification state, can also test the response characteristic under gas humidification state.
The first sensor group 100 include sequentially connected first temperature sensor 8, the first humidity sensor 9, first
Pressure sensor 10 and first flow sensor 11；First temperature sensor 8 is connected with the second triple valve 6, and described first
Flow sensor 11 is connected with pem fuel cell stack 20；
The second sensor group 200 includes sequentially connected second temperature sensor 26, the second humidity sensor 27, and the
Two pressure sensors 28 and second flow sensor 29；The 4th triple valve 25 of second temperature sensor 26 is connected, and described the
Two flow sensors 29 are connected with pem fuel cell stack 20.
It is additionally provided with sensor group before fuel cell pack, specifically includes temperature sensor, humidity sensor, pressure sensor
And flow sensor, can be more accurate detection fuel cell reaction when characteristic.
The present invention also provides the working method of aforementioned proton exchanging film fuel battery dynamic performance testing system, roots
It is described in detail as follows according to flow chart 1:
Hydrogen is provided by hydrogen cylinder 1, first passes around connection first filter 2, the first triple valve 4, first flow control
5 to the second triple valve 6 of valve, the first temperature sensor 8, the first humidity sensor 9, first pressure sensor 10, first flow pass
Inside sensor 11 to pem fuel cell stack 20；
Meanwhile air is collected by air compressor machine 21, air passes through pressure reducing valve 22, the second filter 23, second flow control
Valve 24, the 4th triple valve 25, second temperature sensor 26, the second humidity sensor 27, second pressure sensor 28, second flow
Inside sensor 29 to pem fuel cell stack 20, sufficiently reacted with hydrogen；
When gas, which needs to humidify, enters fuel battery inside reaction, then need to open the first spray dress on gas piping
12 and second spray equipment 31 are set, hydrogen and air are humidified respectively through the first spray equipment 12 and the second spray equipment 31
Processing；Water can be heated by primary heater 14 and secondary heater 33 simultaneously, the water after heating can be to gas
It is sprayed, controls gas temperature by controlling the temperature of water；
Respectively arranged first flow control valve 5 and second flow control valve 24, pass through stream on hydrogen and air pipe line
Control valve controls the concentration of hydrogen and oxygen in anode and cathode reaction, and then it can be concluded that pem fuel is electric
Pond performance optimal under pure gas changes in flow rate；
Temperature sensor, humidity sensor, pressure sensor, flow biography are equipped with before pem fuel cell stack 20
Sensor, can be more accurate detection fuel cell reaction when characteristic；
The nitrogen cylinder 3 being connected on the first triple valve 4 occurs when test macro work finishes or running in system
When problem, the nitrogen provided carries out scavenging processing, protective device；
PC controller and display device 35 control each valve and sensor, in temperature, humidity, flow, pressure and other ginsengs
When number reaches stable, data are transmitted to PC controller and display device 35 carries out subsequent analysis and processing.
As means are compared, the three or three is provided between the primary heater 14 and pem fuel cell stack 20
Port valve 15, is provided with the 5th triple valve 34 between the secondary heater 33 and pem fuel cell stack 20, and the three or three
Water-cooling circulating device 300 is also connected between port valve 15 and the 5th triple valve 34；Wherein, Water-cooling circulating device 300 includes successively
Centrifugal pump 16, water tank 17 and the sink 19 of connection, wherein the centrifugal pump 16 is connected with the third triple valve 15, the water
Case 17 is connected with the 5th triple valve 34, and sink 19 is 17 moisturizing of water tank or draining；17 side of water tank is provided with radiator fan
18, radiator fan 18 is the heat dissipation of water tank 17；
Secondary heater 33 is connected with water tank 17 by the 5th triple valve 34, and such secondary heater 33 can be from combustion
Expect that cell reaction generates moisturizing in the water of waste heat, the thermogenetic energy that gives up is utilized, it is energy saving；
The working method of Water-cooling circulating device 300 is specific as follows:
When pem fuel cell stack 20 reacts, the work of centrifugal pump 16 is drawn water from water tank 17, and water is from inlet pipeline
Generated a large amount of waste heat when fuel cell reaction are taken away, outlet pipeline 36 (2) is flowed to fuel cell pack 20 in 36 (1)；If this
When need to control temperature and then heater is used to heat water, then preferentially entered in the second humidification pipeline 36 (3) with the water of waste heat
In secondary heater 33, to 33 water Man Shizai reflow tank 17 of secondary heater, carried out with radiator fan 18 air-cooled.
The fuel cell of present system can be used as the use such as vehicle power supply, backup power source, domestic electronic appliances power supply.
It can also work on the vehicles such as automobile, train, ship.Meanwhile it can also be applied to small-sized centrally connected power supply or distributing confession
Electric system.
Finally, it should be noted that the present invention is not limited to the description of embodiment, those skilled in the art are according to this hair above
The content of bright announcement, the improvement and modification that need not be carried out on the basis of the present invention by creative work, such as nitrogen protection
The use of device, humidifier, all should be within protection scope of the present invention to temperature control etc..
Claims (10)
1. a proton exchanging film fuel battery dynamic performance testing system, which is characterized in that including hydrogen cylinder (1), the first mistake
Filter (2), the first triple valve (4), first flow control valve (5), the second triple valve (6), the first shut-off valve (7), the first sensing
Device group (100), the first spray equipment (12), pem fuel cell stack (20), air compressor machine (21), pressure reducing valve (22), the
Tow filtrator (23), second flow control valve (24), the 4th triple valve (25), second sensor group (200), third shut-off valve
(30), the second spray equipment (31), PC controller and display device (35)；
First filter (2), the first triple valve are connected in turn between the hydrogen cylinder (1) and second triple valve (6)
(4), first flow control valve (5)；
First sensor group is connected between second triple valve (6) and the pem fuel cell stack (20)
(100)；
Second triple valve (6) connects the first spray equipment (12)；First spray equipment (12) connects the first shut-off valve
(7) to the pipeline between second triple valve (6) and the first sensor group (100)；First spray equipment (12)
It is also connected with pem fuel cell stack (20)；
The air compressor machine (21) and the 4th triple valve (25) are connected in turn pressure reducing valve (22), the second filter (23), the
Two flow control valves (24)；
Second sensor group is connected between 4th triple valve (25) and the pem fuel cell stack (20)
(200)；
4th triple valve (25) connects the second spray equipment (31)；Second spray equipment (31) connects third shut-off valve
(30) to the pipeline between the 4th triple valve (25) and second sensor group (200)；Second spray equipment (31) is also
It connects pem fuel cell stack (20)；
The PC controller and display device (35) are connected with the pem fuel cell stack (20).
2. a proton exchanging film fuel battery dynamic performance testing system according to claim 1, which is characterized in that described
Nitrogen cylinder (3) are connected on first triple valve (4).
3. a proton exchanging film fuel battery dynamic performance testing system according to claim 1, which is characterized in that described
It is sequentially connected since the first spray equipment (12) between first spray equipment (12) and pem fuel cell stack (20)
Second shut-off valve (13) and primary heater (14)；Second spray equipment (31) and pem fuel cell stack (20)
Between the 4th shut-off valve (32) and secondary heater (33) are sequentially connected since the second spray equipment (31).
4. a proton exchanging film fuel battery dynamic performance testing system according to claim 1, it is characterised in that:
The first sensor group (100) includes sequentially connected first temperature sensor (8), the first humidity sensor (9), and
One pressure sensor (10) and first flow sensor (11)；First temperature sensor (8) and the second triple valve (6) phase
Even, the first flow sensor (11) is connected with pem fuel cell stack (20)；
The second sensor group (200) includes sequentially connected second temperature sensor (26), the second humidity sensor (27),
Second pressure sensor (28) and second flow sensor (29)；Second temperature sensor (26) the 4th triple valve (25) phase
Even, the second flow sensor (29) is connected with pem fuel cell stack (20).
5. a proton exchanging film fuel battery dynamic performance testing system according to claim 3, which is characterized in that described
It is provided between primary heater (14) and pem fuel cell stack (20) third triple valve (15), second heating
Be provided with the 5th triple valve (34) between device (33) and pem fuel cell stack (20), the third triple valve (15) and
Water-cooling circulating device (300) are connected between 5th triple valve (34).
6. proton exchanging film fuel battery dynamic performance testing system according to claim 5, which is characterized in that institute
Stating Water-cooling circulating device (300) includes sequentially connected centrifugal pump (16), water tank (17) and sink (19), wherein the centrifugation
Pump (16) is connected with the third triple valve (15), and the water tank (17) is connected with the 5th triple valve (34).
7. proton exchanging film fuel battery dynamic performance testing system according to claim 6, which is characterized in that institute
It states water tank (17) side and is provided with radiator fan (18).
8. a kind of working method is based on the described in any item Proton Exchange Membrane Fuel Cells dynamic performance testings of claim 1-7
System, which is characterized in that step includes:
Hydrogen is provided by hydrogen cylinder (1), first passes around connection first filter (2), the first triple valve (4), first flow control
For valve (5) processed to the second triple valve (6), first sensor group (100) is internal to pem fuel cell stack (20)；
Meanwhile air is collected by air compressor machine (21), air passes through pressure reducing valve (22), the second filter (23), second flow control
Valve (24) processed, the 4th triple valve (25), second sensor group (200) is internal to pem fuel cell stack (20), with hydrogen
Gas sufficiently reacts.
9. a kind of working method according to claim 8, which is characterized in that enter in fuel cell when gas needs to humidify
When portion is reacted, then need to open the first spray equipment (12) and the second spray equipment (31) on gas piping, through the first spray
Device (12) and the second spray equipment (31) carry out humidification process to hydrogen and air respectively；Primary heater can be passed through simultaneously
(14) water is heated with secondary heater (33), the water after heating sprays gas, by control water temperature come
Control gas temperature.
10. a kind of working method according to claim 9, which is characterized in that be respectively set on hydrogen and air pipe line
First flow control valve (5) and second flow control valve (24), hydrogen and oxygen are controlled by flow control valve in anode
With concentration when cathode reaction, Proton Exchange Membrane Fuel Cells performance optimal under pure gas changes in flow rate is obtained.
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| CN110165244A (en) * | 2019-05-16 | 2019-08-23 | 苏州市华昌能源科技有限公司 | The temperature and humidity control system and temperature/humidity control method of fuel cell |
| CN110911707A (en) * | 2019-10-22 | 2020-03-24 | 北京建筑大学 | Proton exchange membrane fuel cell system for vehicle in severe cold climate |
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| CN113991147A (en) * | 2021-10-27 | 2022-01-28 | 广东省武理工氢能产业技术研究院 | Rapid activation system of proton exchange membrane fuel cell |
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