CN110165249A - A kind of hydrogen fuel cell air inlet humidifying device - Google Patents
A kind of hydrogen fuel cell air inlet humidifying device Download PDFInfo
- Publication number
- CN110165249A CN110165249A CN201910526361.2A CN201910526361A CN110165249A CN 110165249 A CN110165249 A CN 110165249A CN 201910526361 A CN201910526361 A CN 201910526361A CN 110165249 A CN110165249 A CN 110165249A
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- air inlet
- fuel cell
- pipe
- water
- connect
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- 239000000446 fuel Substances 0.000 title claims abstract description 84
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 18
- 239000001257 hydrogen Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000008676 import Effects 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000005086 pumping Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 72
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 238000000889 atomisation Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 oxonium ion Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
- H01M8/04141—Humidifying by water containing exhaust gases
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a kind of hydrogen fuel cell air inlet humidifying devices, including fuel cell and humidifying device, the humidifying device includes exhaust condensing unit and water pumping atomising device, the exhaust condensing unit includes expansion cell and moisture separator, the expansion cell is connect with the fuel cell tubes, the moisture separator is connect with the expansion cell pipe, the atomising device that pumps includes the water tank for collecting the liquid water of moisture separator outflow, for improving the water pump and air inlet atomizer of sprayer injection pressure, the water tank is connect with the moisture separator pipe, the water pump is connect with the water tank pipe, the air inlet atomizer is connect with the water pump pipe, the air inlet atomizer is connected with the air inlet pipe of fuel cell, one end of the air inlet pipe is connect with compression air supply system pipe, the other end and combustion Expect cell tube connection, is provided with spraying import in the air inlet pipe.
Description
Technical field
The present invention relates to hydrogen fuel cell system technical fields, and in particular to a kind of hydrogen fuel cell air inlet humidifying device.
Background technique
Proton Exchange Membrane Fuel Cells run when, proton through proton exchange membrane by anode reach cathode be combined with oxonium ion for
Water completes chemical reaction, discharges electric energy.Proton must have water as its carrier when passing through exchange membrane, and the content of water is too low will
The phenomenon that generating dry film, and then influence whether the transmission of proton, it usually needs it is electric to entering using additional humidification auxiliary system
The reaction gas of pond group carries out humidification processing to keep the water content of proton exchange membrane.
For the main humidifying method used in fuel cell system at present for outer humidification, outer humidification enters electricity in reaction gas
It is humidified before pond, common outer humidifying method, which has, is bubbled humidification, direct liquid water injection, plate membrane humidification or hollow
Tunica fibrosa humidification, enthalpy wheel humidification and porous media humidification etc..Humidification is bubbled since the outlet for being easy in water container causes liquid
The case where state water is assembled, therefore be typically only used for testing indoor research；Liquid water injection method is that water is directly injected to gas
In the middle, since the gas of fuel cell inlet is the gas that have passed through compression, water spray can be vaporized by directly carrying out atomization, simultaneously
Gas has also obtained cooling, and it is at present in large-scale fuel cell body that using for this method, which needs mature technology as carrier,
A kind of method being widely adopted in system, but the method needs special outfit water storage device, leads to fuel cell system volume
Increase, while the cost for manufacturing and safeguarding will increase；The be humidified core component of method of enthalpy wheel is porous ceramics runner, by showing
The water-absorbent material of covering absorbs the heat and moisture in exhaust.When dry air enters enthalpy wheel, the moisture in enthalpy wheel is steamed
Hair band walks to realize that air inlet is humidified.The method technology mature, humidification amount can control, and take full advantage of the moisture in exhaust,
But its quality is not easy to seal greatly, while outside energy being needed to drive；Porous media humidification utilizes the hair of micropore in porous media
Spy uses, and condenses the moisture in exhaust in the side of porous plate with the cooling fuel cell exhaust of supply gas, and in capillary force
Under the action of by the porous plate other side (supply air side), and diffuse into supply dry air realization and it humidified.Using more
Moisture in the fuel cell exhaust of high temperature and humidity is directly passed to supply air and humidified by hole dielectric-slab, saves space,
But moisturization effect is relatively difficult to guarantee.
The problem of humidifying method of relative maturity is primarily present at present is following two points: injecting water into intake or vapor increase first
It is wet to need that water storage device is separately provided, cause volume, cost to increase, the more difficult application in vehicle fuel battery dynamical system；Its
Secondary enthalpy wheel humidification or porous media humidification can be vented moisture using fuel cell, but moisturization effect is difficult to guarantee.
Summary of the invention
The purpose of the present invention is to solve shortcomings in the prior art, provide a kind of hydrogen fuel cell air inlet increasing
Wet device, using condensed fuel battery exhaust in moisture and be pumped to inlet end to air inlet carry out humidification processing device, store
Water pot stores fuel cell and is vented condensed water, sprays into fuel cell air inlet pipe by sprayer, is humidified, is solved to air inlet
There are the problem of water source and moisturization effect are humidified in humidifying method, the small volume of whole system, convenient for dynamic in vehicle fuel battery
It is used in Force system.
To achieve the goals above, the invention adopts the following technical scheme: a kind of hydrogen fuel cell air inlet humidifying device, packet
Fuel cell and humidifying device are included, the humidifying device includes exhaust condensing unit and pumps atomising device, and the exhaust condenses
Device includes expansion cell and moisture separator, and expansion cell can reduce the temperature and pressure of gas, further will row
Condensate moisture in gas is liquid water, and moisture separator is gentle separated by the water in pipeline, and the gas after separating passes through outlet
Pipe discharge, water enter among water tank, and the expansion cell is that pipe is connect with the fuel cell, the moisture separator
It is connect with the expansion cell pipe, the atomising device that pumps includes the storage for collecting the liquid water of moisture separator outflow
Water pot, water pump and air inlet atomizer for improving sprayer injection pressure, the water tank and the moisture separator pipe
Connection, the water pump are connect with the water tank pipe, and the air inlet atomizer is connect with the water pump pipe, the air inlet atomizer
Be connected with the air inlet pipe of fuel cell, air inlet atomizer by the water of liquid become atomization water, one end of the air inlet pipe with
The connection of air supply system pipe is compressed, the other end is connect with fuel cell tubes, and spraying import, air inlet atomization are provided in the air inlet pipe
Device is communicated by spraying import with air inlet pipe, and the water of atomization is mixed into air.
Preferably, the expansion cell is throttle valve or turbine, the effect of expansion cell is the temperature in order to reduce exhaust
Degree and pressure, the pressure at expulsion of fuel cell are generally 0.2~0.4MPa, and temperature is 100 DEG C~150 DEG C, in this status condition
Under, the washiness in escape pipe is to exist in gaseous form, is reduced by making temperature and pressure after expansion cell all, will be gone out
Condensate moisture in tracheae is liquid water.
Preferably, the moisture separator is centrifugal water gas separating device, centrifugal water gas separating device can be by outlet
Gas and aqueous water in pipe from finally pumping to further can collect get up to be stored in water tank by liquid water again
Air inlet humidification is carried out to air inlet sprayer to air inlet pipe.
Preferably, the water pump provides electric energy by fuel cell, the effect of water pump is the injection in order to improve sprayer
Pressure exports electrical energy drive motor by fuel cell, water pump is worked normally.
Preferably, the compression air supply system is one or more levels for air compressor, cooperate air cleaning unit, it can
Gas source is provided for fuel cell, selects one or more levels for air compressor as needed.
Preferably, the spraying import is located at level-one between air compressor and fuel cell, or it is located at multistage confession
The afterbody of air compressor is between air compressor and fuel cell or being located at multistage between air compressor, air inlet atomizer
Purpose in order to which liquid water fog-like is sprayed into fuel cell air inlet, enhance moisturization effect, water spray position is located at air inlet pressure
Between contracting machine and fuel cell inlet.For multi-stage compression air supply system, position of spraying water can be located at after afterbody compressor,
It may be alternatively located between compound compressor.
The advantageous effects that the present invention has are: using the moisture in the exhaust of condensed fuel battery and being pumped to inlet end
To air inlet carry out humidification processing device, water tank store fuel cell be vented condensed water, by sprayer spray into fuel cell into
Tracheae is humidified to air inlet, solves the problems, such as be humidified in existing humidifying method water source and moisturization effect, is convenient for vehicle fuel
Cell power systems use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hydrogen fuel cell air inlet humidifying device of the present invention；
Fig. 2 is a kind of structural schematic diagram of hydrogen fuel cell air inlet humidifying device specific embodiment of the present invention；
In figure: air cleaning unit 1, compression air supply system 2, air inlet pipe 3, spraying import 4, fuel cell 5, expansion cell 6, water
Air separation 7, escape pipe 8, water tank 9, water pump 10, air inlet atomizer 11, radiator 12.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, by the following description of the embodiment, will more help
In the public understanding present invention, but the specific embodiment given by applicant should can't be considered as to the technology of the present invention side
The definition of the limitation of case, any pair of component or technical characteristic be changed or to overall structure make form and immaterial transformation
It is regarded as protection scope defined by technical solution of the present invention.
Embodiment 1:
As shown in Figure 1, a kind of hydrogen fuel cell air inlet humidifying device, including fuel cell and humidifying device, the humidifying device
Including exhaust condensing unit and atomising device is pumped, the exhaust condensing unit includes expansion cell 6 and moisture separator 7,
Expansion cell can reduce the temperature and pressure of gas, be further liquid water, aqueous vapor separation by the condensate moisture in exhaust
Device is gentle separated by the water in pipeline, and the gas after separating is discharged by escape pipe, and water enters among water tank, described swollen
Swollen unit is that pipe is connect with the fuel cell 5, and the moisture separator is connect with the expansion cell pipe, the water pumping mist
Disguise the water tank 9 set including for collecting the liquid water that moisture separator flows out, for improving sprayer injection pressure
Water pump 10 and air inlet atomizer 11, the water tank are connect with the moisture separator pipe, the water pump and the water tank
Pipe connection, the air inlet atomizer are connect with the water pump pipe, and the air inlet atomizer is connected with the air inlet pipe 3 of fuel cell
It connects, the water of liquid is become the water of atomization by air inlet atomizer, and one end of the air inlet pipe is connect with compression air supply system pipe, another
End is connect with fuel cell tubes, spraying import is provided in the air inlet pipe, air inlet atomizer passes through spraying import 4 and air inlet pipe
It communicates, the water of atomization is mixed into air；The expansion cell is throttle valve or turbine, and the effect of expansion cell is to drop
Low pressure at expulsion, the pressure at expulsion of fuel cell are generally 0.2~0.4MPa, and temperature is 100 DEG C~150 DEG C, in this status bar
Under part, the washiness in exhaust pipe exists in gaseous form, is reduced by temperature, pressure after expansion cell, the water in exhaust pipe
Divide and is condensed into liquid water；The moisture separator be centrifugal water gas separating device, centrifugal water gas separating device can will exhaust with
Aqueous water is from so as to get up to be pumped to air inlet sprayer progress air inlet humidification for liquid water collection；The water pump is by fuel
Battery provides electric energy, and the effect of water pump is the injection pressure in order to improve sprayer, and by fuel cell output electrical energy drive electricity
Machine, so that pump working；The compression air supply system is one or more levels for air compressor, is mentioned for air compressor for fuel cell
Air supply source selects one or more levels for air compressor as needed；The spraying import is located at level-one for air compressor and fuel
Between battery, or positioned at multistage for air compressor afterbody between air compressor and fuel cell or being located at multistage supply
Between air compressor, the purpose of air inlet atomizer is in order to spray into liquid water fog-like in fuel cell air inlet, enhancing humidification
Effect sprays water position between inlet air compressor and fuel cell inlet.For multi-stage compression air supply system, spraying water position can
After afterbody compressor, it may be alternatively located between compound compressor.
Embodiment 2:
As shown in Fig. 2, a kind of hydrogen fuel cell air inlet humidifying device, including fuel cell and humidifying device, the humidifying device
Including exhaust condensing unit and atomising device is pumped, the exhaust condensing unit includes radiator 12, fuel cell exhaust stream warp
Radiator reduces temperature, and condensate moisture is liquid in exhaust, and the water pumping atomising device includes for collecting moisture separator
The water tank of the liquid water of outflow, water pump and air inlet atomizer for improving sprayer injection pressure, the water tank and institute
The connection of moisture separator pipe is stated, the water pump is connect with the water tank pipe, and the air inlet atomizer and the water pump pipe connect
It connects, the air inlet atomizer is connected with the air inlet pipe of fuel cell, one end of the air inlet pipe and compression air supply system Guan Lian
It connects, the other end is connect with fuel cell tubes, and spraying import is provided in the air inlet pipe；The moisture separator is centrifugal
Moisture separator, centrifugal water gas separating device can be by exhausts and aqueous water from so as to which liquid water collection gets up to be pumped to
Air inlet sprayer carries out air inlet humidification；The water pump provides electric energy by fuel cell, and the effect of water pump is to improve sprayer
Injection pressure, and by fuel cell export electrical energy drive motor so that pump working；The compression air supply system be level-one or
Multistage provides gas source for air compressor, for air compressor for fuel cell, selects one or more levels for air compressor as needed；
The spraying import is located at level-one between air compressor and fuel cell, or positioned at multistage for the afterbody of air compressor
For between air compressor and fuel cell or being located at multistage between air compressor, the purpose of air inlet atomizer is in order to will be fog-like
Liquid water spray into fuel cell air inlet in, enhance moisturization effect, water spray position be located at inlet air compressor and fuel cell inlet
Between.For multi-stage compression air supply system, position of spraying water can be located at after afterbody compressor, may be alternatively located at compound compressor
Between.
In the present embodiment, a kind of hydrogen fuel cell air inlet humidifying device is provided, utilizes the water in the exhaust of condensed fuel battery
Divide and be pumped to the device that inlet end carries out humidification processing to air inlet, water tank stores fuel cell and is vented condensed water, by spraying
Device sprays into fuel cell air inlet pipe, is humidified to air inlet, solves be humidified in existing humidifying method water source and moisturization effect
Problem uses convenient for vehicle fuel battery dynamical system.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding changes and modifications according to the present invention, but these it is corresponding change and
Deformation all should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. a kind of hydrogen fuel cell air inlet humidifying device, including fuel cell and humidifying device, which is characterized in that the humidification dress
It sets including exhaust condensing unit and pumps atomising device, the exhaust condensing unit includes that expansion cell (6) separates dress with aqueous vapor
It sets (7), the expansion cell is connect with the fuel cell (5) pipe, the moisture separator and the expansion cell Guan Lian
It connects, the atomising device that pumps includes for collecting the water tank (9) for the liquid water that moisture separator flows out, for improving spray
Day with fog sprays the water pump (10) and air inlet atomizer (11) of pressure, and the water tank is connect with the moisture separator pipe, institute
It states water pump to connect with the water tank pipe, the air inlet atomizer is connect with the water pump pipe, the air inlet atomizer and fuel
The air inlet pipe (3) of battery is connected, and one end of the air inlet pipe is connect with compression air supply system pipe, the other end and fuel cell tubes
It connects, is provided with spraying import (4) in the air inlet pipe.
2. a kind of hydrogen fuel cell air inlet humidifying device according to claim 1, which is characterized in that the expansion cell is
Throttle valve or turbine.
3. a kind of hydrogen fuel cell air inlet humidifying device according to claim 1, which is characterized in that the aqueous vapor separation
Device is centrifugal water gas separating device.
4. a kind of hydrogen fuel cell air inlet humidifying device according to claim 1, which is characterized in that the water pump is by fuel
Battery provides electric energy.
5. a kind of hydrogen fuel cell air inlet humidifying device according to claim 1, which is characterized in that compression gas supply system
System is one or more levels for air compressor.
6. a kind of hydrogen fuel cell air inlet humidifying device according to claim 1, which is characterized in that the spraying import position
It for air compressor and is fired in level-one for the afterbody between air compressor and fuel cell, or positioned at multistage for air compressor
Expect between battery or is located at multistage between air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526361.2A CN110165249A (en) | 2019-06-18 | 2019-06-18 | A kind of hydrogen fuel cell air inlet humidifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526361.2A CN110165249A (en) | 2019-06-18 | 2019-06-18 | A kind of hydrogen fuel cell air inlet humidifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110165249A true CN110165249A (en) | 2019-08-23 |
Family
ID=67625841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910526361.2A Pending CN110165249A (en) | 2019-06-18 | 2019-06-18 | A kind of hydrogen fuel cell air inlet humidifying device |
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| Country | Link |
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| CN (1) | CN110165249A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420976A (en) * | 2021-12-29 | 2022-04-29 | 上海重塑能源科技有限公司 | Intake air humidifying system for fuel cell |
| CN115966730A (en) * | 2023-03-16 | 2023-04-14 | 江苏重塑能源科技有限公司 | Fuel cell system with water spray humidification and control method |
| WO2023138855A1 (en) * | 2022-01-19 | 2023-07-27 | Rolls-Royce Plc | Fuel cell system |
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| CN1753223A (en) * | 2004-09-24 | 2006-03-29 | 上海神力科技有限公司 | High efficiency fuel battery humidification device |
| CN103787469A (en) * | 2014-01-16 | 2014-05-14 | 中国航天员科研训练中心 | Integrated organic wastewater treatment and energy recovery system |
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| CN109372775A (en) * | 2018-11-20 | 2019-02-22 | 势加透博（北京）科技有限公司 | A kind of two stages of compression air supply system of fuel cell |
| CN209860060U (en) * | 2019-06-18 | 2019-12-27 | 势加透博（北京）科技有限公司 | Air inlet humidifying device for hydrogen fuel cell |
-
2019
- 2019-06-18 CN CN201910526361.2A patent/CN110165249A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624414Y (en) * | 2003-06-05 | 2004-07-07 | 西安交通大学 | Water-heat combined control device for fuel battery |
| CN1753223A (en) * | 2004-09-24 | 2006-03-29 | 上海神力科技有限公司 | High efficiency fuel battery humidification device |
| CN103787469A (en) * | 2014-01-16 | 2014-05-14 | 中国航天员科研训练中心 | Integrated organic wastewater treatment and energy recovery system |
| CN108448136A (en) * | 2018-02-08 | 2018-08-24 | 清华大学 | A kind of air gas supply humidification ICS intercooler system for Proton Exchange Membrane Fuel Cells |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420976A (en) * | 2021-12-29 | 2022-04-29 | 上海重塑能源科技有限公司 | Intake air humidifying system for fuel cell |
| WO2023138855A1 (en) * | 2022-01-19 | 2023-07-27 | Rolls-Royce Plc | Fuel cell system |
| CN115966730A (en) * | 2023-03-16 | 2023-04-14 | 江苏重塑能源科技有限公司 | Fuel cell system with water spray humidification and control method |
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