CN109921063A - A kind of fuel battery air humidifying system, fuel cell system and vehicle - Google Patents
A kind of fuel battery air humidifying system, fuel cell system and vehicle Download PDFInfo
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- CN109921063A CN109921063A CN201711329686.9A CN201711329686A CN109921063A CN 109921063 A CN109921063 A CN 109921063A CN 201711329686 A CN201711329686 A CN 201711329686A CN 109921063 A CN109921063 A CN 109921063A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The present invention relates to a kind of fuel battery air humidifying system, fuel cell system and vehicles.Fuel battery air humidifying system includes air modifier, air modifier includes humidification portion and removes Wet portion, humidification portion is equipped with dry air import and the humid air outlet for connecting with fuel cell pile, removing Wet portion includes humid air import and the air outlet slit that dries, humidification system further includes gas-liquid separation device and liquid collector, gas-liquid separation device collects the moisture that fuel cell pile generates, and the moisture that liquid collector storage gas-liquid separation device is collected simultaneously is connect with humid air import to be air modifier quantitative water compensating.It excessive moisture collection and is stored when by operation that fuel cell system is high-power, and it keeps the skin wet when fuel cell low power run leads to air modifier water deficient for air modifier, reach the balance of moisturizing, it realizes the Reasonable Regulation And Control of humidity, guarantees that fuel cell pile is in reasonable humidity range.
Description
Technical field
The present invention relates to a kind of fuel battery air humidifying system, fuel cell system and vehicles.
Background technique
The problems such as with environment and the energy, becomes increasingly conspicuous, and fuel cell car is considered as substituting internal-combustion engines vehicle not
Carry out one of developing direction.Fuel cell using hydrogen and oxygen as fuel there is high-efficient, pollution-free, power density high and low temperature to open
It the advantages that dynamic, is more and more paid close attention to by people.Currently, major motor corporation, the world is all gradually proposed the fuel electricity of oneself
Pond vehicle, such as the Mirai of Toyota, fuel cell car market have vast potential for future development.
Humidification system is one of most important subsystem in Proton Exchange Membrane Fuel Cells, is broadly divided into from humidification and outer increasing
Wet two class.Be that humidifying technology is integrated to fuel cell from humidification, be not necessarily to additional humidifying device, this humidification to pile type selecting and
System control has high requirement.In addition a kind of is outer humidification, and main method is that (usually air side) increases before reaction gas
Add a humidifying equipment, is humidified to air inlet.Therefore, the design Yu control of fuel battery air side humidification system are a passes
Key core technology.
Application publication number is that the patent of CN106532085A discloses one kind for controlling fuel cell membranes humidifier humidifies
The device and method of amount, the patent by adjust composition for fuel cell membranes humidifier hollow-fibre membrane it is inside and outside it
Between humid gas partial pressure it is poor, relative to be supplied to fuel cell air side humid control.Specific implementation method: work as institute
When the humidity of measurement is equal to or more than reference value, by reducing or blocking the humid air from fuel cell supplied to film humidifier
Amount, the pressure of the middle control tunica fibrosa of Lai Zengjia film humidifier；When measured humidity is less than reference value, humidified by blocks film
Device exports to increase the inside hollow fibre of film humidifier and external pressure.The above-mentioned of humidity is controlled by changing pressure
There are two aspect disadvantages for method: 1) increase of internal pressure makes to increase the load of air compressor machine, and the reduction of internal pressure will affect
Fuel battery performance；2) variation of pressure influences the pressure difference of film two sides, be easy to cause film mechanical damage.
The patent of Publication No. CN1567624A discloses a kind of air humidifying system of high-efficiency fuel cell, and the air is defeated
The air intlet of the outlet and fuel cell pack of sending device connects, the air outlet slit of the fuel cell pack and the wet sky of humidifying device
Gas import connection, the air outlet slit that dries of humidifying device are communicated with atmosphere.But this patent humidification degree relies on what pile generated
Water size does not have humidity regulation ability, can not achieve effective humidity regulation.
Summary of the invention
The purpose of the present invention is to provide a kind of excessive moistures by when hoarding the high-power operation of pile with small in pile
Humidifier is compensated when Power operation, to realize the fuel battery air humidifying system of the Reasonable Regulation And Control of humidity；Mesh of the invention
Also reside in a kind of fuel cell system and vehicle using above-mentioned fuel battery air humidifying system be provided.
To achieve the above object, fuel battery air humidifying system of the invention adopts the following technical scheme that:
Technical solution 1: fuel battery air humidifying system includes air modifier, air modifier include humidification portion and
Wet portion is removed, humidification portion is equipped with dry air import and the humid air outlet for connecting with fuel cell pile, removes wet end
Dividing includes humid air import and the air outlet slit that dries, and fuel battery air humidifying system further includes gas-liquid separation device and liquid collecting dress
It sets, gas-liquid separation device is used to collect the moisture of fuel cell pile generation, and liquid collector is for storing gas-liquid separation device receipts
The moisture that integrates simultaneously is connect with the humid air import to be air modifier quantitative water compensating.
The utility model has the advantages that the present invention passes through the setting of gas-liquid separation device and liquid collector, fuel cell system is high-power
It excessive moisture collection and is stored when operation, and leads to air modifier moisture not in fuel cell low power run
It keeps the skin wet when sufficient for air modifier, is reached for the balance of air modifier moisturizing, realize the Reasonable Regulation And Control of humidity, protect
Card fuel cell pile is in reasonable humidity range.
Technical solution 2: on the basis of technical solution 1, fuel battery air humidifying system further includes and dry air import
The dry air branch that humid air channel between humid air outlet is arranged in parallel, fuel battery air humidifying system further include adjusting
Save the first control device of the throughput in dry air branch and the humid air channel.Dry air branch and first control device
The dry air of controllable humidifying device humidification portion and the ratio of humid air are set, to realize the regulation to humidity, cooperate gas
The moisture regulation of liquid separating apparatus and liquid collector, can after the sets of containers full water of liquid collector using dry air branch adjust into
The dry air of gas and the scheme of humid air ratio carry out regulating and controlling humidity.
Technical solution 3: on the basis of technical solution 2, the first control device include setting dry air branch with
Three-way control valve at the upstream junctions in humid air channel.
Technical solution 4: on the basis of technical solution 3, fuel battery air humidifying system further include dry air branch,
In humid air channel and the main road three being connected with the two at least two on the flowmeter that is arranged.The setting of two flowmeters
The real time data of the ratio of dry air and humid air can accurately be monitored.
Technical solution 5: on the basis of technical solution 1-4 any one, be connected in the humid air import for
The connected pipe-line system of fuel cell pile, pipe-line system are equipped with the first, second branch in parallel, are connected in the first branch
The gas-liquid separation device and liquid collector, fuel battery air humidifying system further include the first, second secondary gas flow amount that adjusts
Second control device.
Technical solution 6: on the basis of technical solution 5, second control device is three-way control valve.
Technical solution 7: on the basis of technical solution 5, the gas-liquid separator include directly with the humid air import
Connected first outlet and the second outlet being connected by liquid collector with humid air import.
Technical solution 8: on the basis of technical solution 7, fuel battery air humidifying system further includes control liquid collector
To the control valve of the humid air import air demand.
Fuel cell system of the invention adopts the following technical scheme that:
Technical solution 1: fuel cell system includes fuel cell and the humidification system for fuel cell humidifying, humidification system packet
Include air modifier, air modifier includes humidification portion and removes Wet portion, humidification portion be equipped with dry air import and
The humid air outlet connecting with fuel cell pile, removing Wet portion includes humid air import and the air outlet slit that dries, humidification system
It further include gas-liquid separation device and liquid collector, gas-liquid separation device is used to collect the moisture of fuel cell pile generation, liquid collecting
Device is used to store the moisture of gas-liquid separation device collection and is connect with the humid air import to determine for air modifier
Measure moisturizing.
The utility model has the advantages that the present invention passes through the setting of gas-liquid separation device and liquid collector, fuel cell system is high-power
It excessive moisture collection and is stored when operation, and leads to air modifier moisture not in fuel cell low power run
It keeps the skin wet when sufficient for air modifier, is reached for the balance of air modifier moisturizing, realize the Reasonable Regulation And Control of humidity, protect
Card fuel cell pile is in reasonable humidity range.
Technical solution 2: on the basis of technical solution 1, fuel battery air humidifying system further includes and dry air import
The dry air branch that humid air channel between humid air outlet is arranged in parallel, fuel battery air humidifying system further include adjusting
Save the first control device of the throughput in dry air branch and the humid air channel.Dry air branch and first control device
The dry air of controllable humidifying device humidification portion and the ratio of humid air are set, to realize the regulation to humidity, cooperate gas
The moisture regulation of liquid separating apparatus and liquid collector, can after the sets of containers full water of liquid collector using dry air branch adjust into
The dry air of gas and the scheme of humid air ratio carry out regulating and controlling humidity.
Technical solution 3: on the basis of technical solution 2, the first control device include setting dry air branch with
Three-way control valve at the upstream junctions in humid air channel.
Technical solution 4: on the basis of technical solution 3, fuel battery air humidifying system further include dry air branch,
In humid air channel and the main road three being connected with the two at least two on the flowmeter that is arranged.The setting of two flowmeters
The real time data of the ratio of dry air and humid air can accurately be monitored.
Technical solution 5: on the basis of technical solution 1-4 any one, be connected in the humid air import for
The connected pipe-line system of fuel cell pile, pipe-line system are equipped with the first, second branch in parallel, are connected in the first branch
The gas-liquid separation device and liquid collector, fuel battery air humidifying system further include the first, second secondary gas flow amount that adjusts
Second control device.
Technical solution 6: on the basis of technical solution 5, second control device is three-way control valve.
Technical solution 7: on the basis of technical solution 5, the gas-liquid separator include directly with the humid air import
Connected first outlet and the second outlet being connected by liquid collector with humid air import.
Technical solution 8: on the basis of technical solution 7, fuel battery air humidifying system further includes control liquid collector
To the control valve of the humid air import air demand.
Vehicle of the invention adopts the following technical scheme that:
Technical solution 1: vehicle includes car body and sets fuel cell system on the car body, and fuel cell system includes fuel cell
And the humidification system for fuel cell humidifying, humidification system include air modifier, air modifier includes humidification portion
Divide and go Wet portion, humidification portion is equipped with dry air import and the humid air connecting with fuel cell pile outlet, removes wet end
Dividing includes humid air import and the air outlet slit that dries, and humidification system further includes gas-liquid separation device and liquid collector, gas-liquid separation
Device be used for collect fuel cell pile generation moisture, liquid collector be used for store gas-liquid separation device collection moisture and with
The humid air import connection is to be air modifier quantitative water compensating.
The utility model has the advantages that the present invention passes through the setting of gas-liquid separation device and liquid collector, fuel cell system is high-power
It excessive moisture collection and is stored when operation, and leads to air modifier moisture not in fuel cell low power run
It keeps the skin wet when sufficient for air modifier, is reached for the balance of air modifier moisturizing, realize the Reasonable Regulation And Control of humidity, protect
Card fuel cell pile is in reasonable humidity range.
Technical solution 2: on the basis of technical solution 1, fuel battery air humidifying system further includes and dry air import
The dry air branch that humid air channel between humid air outlet is arranged in parallel, fuel battery air humidifying system further include adjusting
Save the first control device of the throughput in dry air branch and the humid air channel.Dry air branch and first control device
The dry air of controllable humidifying device humidification portion and the ratio of humid air are set, to realize the regulation to humidity, cooperate gas
The moisture regulation of liquid separating apparatus and liquid collector, can after the sets of containers full water of liquid collector using dry air branch adjust into
The dry air of gas and the scheme of humid air ratio carry out regulating and controlling humidity.
Technical solution 3: on the basis of technical solution 2, the first control device include setting dry air branch with
Three-way control valve at the upstream junctions in humid air channel.
Technical solution 4: on the basis of technical solution 3, fuel battery air humidifying system further include dry air branch,
In humid air channel and the main road three being connected with the two at least two on the flowmeter that is arranged.The setting of two flowmeters
The real time data of the ratio of dry air and humid air can accurately be monitored.
Technical solution 5: on the basis of technical solution 1-4 any one, be connected in the humid air import for
The connected pipe-line system of fuel cell pile, pipe-line system are equipped with the first, second branch in parallel, are connected in the first branch
The gas-liquid separation device and liquid collector, fuel battery air humidifying system further include the first, second secondary gas flow amount that adjusts
Second control device.
Technical solution 6: on the basis of technical solution 5, second control device is three-way control valve.
Technical solution 7: on the basis of technical solution 5, the gas-liquid separator include directly with the humid air import
Connected first outlet and the second outlet being connected by liquid collector with humid air import.
Technical solution 8: on the basis of technical solution 7, fuel battery air humidifying system further includes control liquid collector
To the control valve of the humid air import air demand.
Detailed description of the invention
Fig. 1 is the system diagram of the fuel cell system in vehicle specific embodiment of the present invention；
In figure: 1- air filter, 2- air compressor, 3- No.1 air flow meter, 4- No.1 three-way control valve, 5- humidifier, 6- bis-
Number air flow meter 2,7- No.1 electrical ball valve, 8- pile, No. bis- electrical ball valves of 9-, No. bis- three-way control valves of 10-, 11- gas-liquid
Separator, 12- water container, 13- ball valve, 14- counterbalance valve；A- humidification portion, a- dry air import, the outlet of b- humid air, B- are gone
Wet portion, c- dry air outlet slit, d- humid air import.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of vehicle of the invention, vehicle are using fuel cell powered new energy vehicle or mixed motor-car
, fuel arranged battery system on car body, as shown in Figure 1, fuel cell system includes fuel cell and is fuel cell
The humidification system of humidification, humidification system include humidifier 5, and humidifier 5 includes humidification portion A and removes Wet portion B, humidification portion A
B is exported equipped with dry air import a and humid air, goes Wet portion B to be equipped with humid air import d and the air outlet slit c that dries, fuel cell
System further includes air filter 1, air compressor 2 i.e. air compressor machine, as shown in Figure 1, air filter 1 be located at the upstream of air compressor 2 so as to
To be filtered, air compressor 2 is connected on the dry air import a of humidification portion A by pipeline, and humidification portion A's is wet
Air outlet slit b connection is connect with the pile 8 of fuel cell.Fuel cell gas outlet and the humid air import d of Wet portion B is gone to connect
It connects, the air outlet slit c that dries of Wet portion B is gone to connect by counterbalance valve 14 with components downstream.It is equipped on humidification portion A and adjusts system
System 1, on the pipeline gone between Wet portion B and fuel cell be equipped with regulating system 2, two regulating systems it is mutually coordinated effect with
Realize the Reasonable Regulation And Control to humidity.
Dry air branch is arranged in parallel at the humid air channel between b specifically, exporting in dry air import a and humid air
Road, and No.1 three-way control valve 4 is set at the upstream junctions in dry air branch Yu humid air channel, pass through No.1 threeway tune
Section valve 4 adjusts the gas flow for entering humid air channel and dry air branch from air compressor machine, to regulate and control dry air and humid air
Ratio.For the specific flow of quantitative monitoring dry air and humid air, No.1 three-way control valve 4 and air compressor 2 it
Between No.1 air flow meter 3 is set, No. two air flow meters 6 is set on dry air branch road, pass through the measurement of two air mass flows
It measures and calculates dry, humid air ratio, in other embodiments, No.1 air flow meter 3 and No. two air flow meters 6 can divide
On humid air channel and dry air branch road or humid air channel and air compressor 2 and No.1 She Zhi not be separately positioned on
Between three-way control valve 4.In other embodiments, No.1 three-way control valve 4 also can be replaced two individual regulating valves, and two
Regulating valve is separately positioned on dry air branch and humid air channel, to realize the adjusting to the gas flow of two branches.On
Dry air branch, air flow meter, regulating valve for stating etc. collectively constitute regulating system 1.
Regulating system 2 includes gas-liquid separator 11 and the water container 12 being connected with gas-liquid separator 11, from fuel cell
The pipeline that comes out of 8 gas outlet of pile be divided to by No. two three-way control valves 10 for two branches, second branch directly with remove wet end
Divide the humid air import d connection of B, connects gas-liquid separator 11 in the first branch, gas-liquid separator 11 will be divided into after gas-liquid separation
Gas circuit and fluid path, gas circuit are directly connect with humid air import d, and fluid path is connect after water container 12 with humid air import d.Fuel
No.1 electrical ball valve 7 and No. two electrical ball valves 9 are connected separately at the air inlet and air outlet of battery stack 8.
When in use: for fuel cell in high power operation, the generation of pile 8 water is more, needs to reduce into heap humidity, have
Two schemes: it scheme 1: according to 8 output power of pile, calculates the outlet of pile 8 humid air and passes through humidifier 5 and gas-liquid separator 11
Flow Q1 and Q2, control the humidity requirement that 5 water content inside of humidifier and dry air enter pile 8 by humidifier 5；Side
Case 2: according to 8 output power of pile, flow Q3 and Q4 that air inlet passes through humidifier 5 by humidifier 5 and not is calculated, is led to
Dry air/humid air ratio is crossed, the humidity that air enters pile 8 is adjusted.Water is stored in by the water of gas-liquid separator 11
In container 12, when water storage is full in water container 12, using scheme 2.
For fuel cell system in low power run, generation moisture is less, needs to be added to heap humidity.It is defeated according to pile 8
Power out enters the amount of humidifier 5 by adjusting moisture in water container 12, increases water content in humidifier 5, while after air compressor machine
End air all passes through humidifier 5, meets air and enters the requirement of 8 humidity of pile.
When fuel cell is shut down, by adjusting air compressor machine rear end three-way control valve, purges air used and do not pass through humidifier
5, directly purging pile 8.On the one hand purge time is reduced, on the other hand, guarantees 5 content water content of humidifier.
In other embodiments: regulating system 1 can be not provided with, that is, remove dry air branch and No.1 three-way control valve and two
Number air flow meter, while increasing overflow valve at water container, it can freely be overflowed when ensuring that water container is full of, meanwhile, it is
Convenience knows the water that humidifier is filled into from water container, in the portion of the monitoring flows such as the exit of water container setting flowmeter
Part.
Fuel cell system in the embodiment of fuel cell system of the invention and each embodiment of vehicle of the invention
Each embodiment it is identical, repeat no more.
Humidification in the embodiment of fuel battery air humidifying system of the invention and each embodiment of vehicle of the invention
Each embodiment of system is identical, repeats no more.
Claims (10)
1. a kind of fuel battery air humidifying system, including air modifier, air modifier includes humidification portion and goes
Wet portion, humidification portion are equipped with dry air import and the humid air outlet for connecting with fuel cell pile, remove Wet portion
Including humid air import and the air outlet slit that dries, characterized in that fuel battery air humidifying system further includes gas-liquid separation device
And liquid collector, gas-liquid separation device are used to collect the moisture of fuel cell pile generation, liquid collector is for storing gas-liquid point
The moisture collected from device is simultaneously connect with the humid air import to be air modifier quantitative water compensating.
2. fuel battery air humidifying system according to claim 1, characterized in that fuel battery air humidifying system is also
Including the dry air branch that the humid air channel between dry air import and humid air outlet is arranged in parallel, fuel battery air
Humidification system further includes the first control device for adjusting the throughput of dry air branch and the humid air channel.
3. fuel battery air humidifying system according to claim 2, characterized in that the first control device includes setting
Set the three-way control valve at the upstream junctions in dry air branch Yu humid air channel.
4. fuel battery air humidifying system according to claim 3, characterized in that fuel battery air humidifying system is also
Including the flow being arranged at least two in dry air branch, humid air channel and the main road three that is connected with the two
Meter.
5. fuel battery air humidifying system according to any one of claims 1-4, characterized in that the humid air into
The pipe-line system for being connected with fuel cell pile is connected on mouth, pipe-line system is equipped with the first, second branch in parallel,
The gas-liquid separation device and liquid collector are connected in the first branch, fuel battery air humidifying system further includes adjusting
One, the second control device of second branch throughput.
6. fuel battery air humidifying system according to claim 5, characterized in that second control device is threeway adjusting
Valve.
7. fuel battery air humidifying system according to claim 5, characterized in that the gas-liquid separator includes direct
The first outlet being connected with the humid air import and the second outlet being connected by liquid collector with humid air import.
8. fuel battery air humidifying system according to claim 7, characterized in that fuel battery air humidifying system is also
Including controlling control valve of the liquid collector to the humid air import air demand.
9. fuel cell system including fuel cell and is the humidification system of fuel cell humidifying, humidification system includes air
Humidifying device, air modifier include humidification portion and remove Wet portion, and humidification portion is equipped with dry air import and and fuel
The humid air outlet of battery stack connection, removing Wet portion includes humid air import and the air outlet slit that dries, characterized in that humidification system
System further includes gas-liquid separation device and liquid collector, and gas-liquid separation device is used to collect the moisture of fuel cell pile generation, collection
Liquid device is used to store the moisture of gas-liquid separation device collection and connect with the humid air import to be air modifier
Quantitative water compensating.
10. vehicle, including car body and fuel cell system on the car body is set, fuel cell system includes fuel cell and is
The humidification system of fuel cell humidifying, humidification system include air modifier, and air modifier includes humidification portion and goes
Wet portion, humidification portion is equipped with dry air import and the humid air that connect with fuel cell pile exports, and goes the Wet portion to include
Humid air import and the air outlet slit that dries, characterized in that humidification system further includes gas-liquid separation device and liquid collector, gas-liquid point
From the moisture that device is used to collect fuel cell pile generation, liquid collector is used to store the moisture of gas-liquid separation device collection simultaneously
It is connect with the humid air import to be air modifier quantitative water compensating.
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| CN201711329686.9A CN109921063A (en) | 2017-12-13 | 2017-12-13 | A kind of fuel battery air humidifying system, fuel cell system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329686.9A CN109921063A (en) | 2017-12-13 | 2017-12-13 | A kind of fuel battery air humidifying system, fuel cell system and vehicle |
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| CN201711329686.9A Pending CN109921063A (en) | 2017-12-13 | 2017-12-13 | A kind of fuel battery air humidifying system, fuel cell system and vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948547A (en) * | 2020-06-09 | 2020-11-17 | 山东东岳高分子材料有限公司 | Proton exchange membrane hydrogen fuel cell dry-wet cycle testing device |
| CN112259762A (en) * | 2020-10-23 | 2021-01-22 | 广东能源集团科学技术研究院有限公司 | Fuel cell cathode humidifying system |
| CN112803042A (en) * | 2021-01-26 | 2021-05-14 | 重庆长安新能源汽车科技有限公司 | Fuel cell automobile air inlet humidification quantity control method and system |
| CN113497257A (en) * | 2020-03-20 | 2021-10-12 | 郑州宇通客车股份有限公司 | Shutdown purging method, device and system for fuel cell |
| CN113903953A (en) * | 2021-09-30 | 2022-01-07 | 潍柴动力股份有限公司 | Purging method of fuel cell system and fuel cell system |
| CN113964348A (en) * | 2021-10-19 | 2022-01-21 | 上海恒劲动力科技有限公司 | Humidification device with real-time response of humidification characteristics, fuel cell and control method |
| CN114744246A (en) * | 2022-04-13 | 2022-07-12 | 佛山仙湖实验室 | Fuel cell system and air humidity adjusting method thereof |
| CN116505024A (en) * | 2023-06-27 | 2023-07-28 | 中国第一汽车股份有限公司 | Humidification system and humidification method for fuel cell |
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