CN107895806A - fuel cell humidifying system, method and fuel cell system - Google Patents
fuel cell humidifying system, method and fuel cell system Download PDFInfo
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- CN107895806A CN107895806A CN201711385811.8A CN201711385811A CN107895806A CN 107895806 A CN107895806 A CN 107895806A CN 201711385811 A CN201711385811 A CN 201711385811A CN 107895806 A CN107895806 A CN 107895806A
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- Prior art keywords
- fuel cell
- air
- circulating valve
- tail row
- internal resistance
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- 239000000446 fuel Substances 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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 present invention relates to a kind of fuel cell humidifying system, method and fuel cell system, wherein humidification system, including：Voltage-current sensor, it is connected with the electric energy output end of fuel cell pack, for gathering the output current and output voltage of fuel cell pack；Mass air flow sensor, on the air inlet pipeline of the air supply system of fuel cell stack system, for gathering the air flow rate signal of incoming fuel battery pile；The outlet of the air supply system of tail row's circulating valve, its one end and fuel cell system connects, and the other end is connected to the air compressor air intake mouth of air inlet pipeline；Humidity controller, it is connected respectively with voltage-current sensor, mass air flow sensor and tail row's circulating valve, output current and output voltage for fuel cell heap estimate the internal resistance of fuel cell pack, and the aperture of circulating valve is arranged with reference to the internal resistance of battery pile and the both air flow modulation tail of incoming fuel battery pile.Compared with prior art, the present invention has the advantages that integrated level is high, cost is low and small volume.
Description
Technical field
The present invention relates to a kind of fuel cell humidifying system, more particularly, to a kind of fuel cell humidifying system, method and
Fuel cell system.
Background technology
Fuel cell water management is of crucial importance to the performance of fuel cell, efficiency, cold start-up and life-span etc..In fuel electricity
PEM needs that the conductibility of proton could be kept with reference to water in the running of pond, and water content very little, can cause fuel electric
Pond internal resistance increase；If hypervolia, negative electrode water logging can be caused again.When the ohmic internal resistance of fuel cell is fuel cell operation
One important parameter, it reflects the running status of fuel battery inside.From the point of view of short time span, the change of ohmic internal resistance
, can be to the humidity of film by the estimation to ohmic internal resistance there is relation very greatly between the humidity change of PEM
Estimated indirectly, be the offer input of the humidification control strategy of film.Existing fuel cell humidifying method is noted including aqueous water
Humidification, heating humidification, aqueous water injection humidification and permeable membrane humidification etc. are penetrated, although these outer humidification schemes are to fuel cell
Performance has been lifted, but is added the volume of fuel cell whole system or added extra energy consumption, and can not regulate and control humidification
The shortcomings that spending.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of fuel cell humidifying
System, method and fuel cell system.
The purpose of the present invention can be achieved through the following technical solutions：
One kind arranges circulating valve fuel cell humidifying system based on tail, including：
Voltage-current sensor, it is connected with the electric energy output end of fuel cell pack, for gathering the output of fuel cell pack
Electric current and output voltage；
Mass air flow sensor, on the air inlet pipeline of the air supply system of fuel cell stack system, enter combustion for gathering
Expect the air flow rate signal of battery pile；
The outlet of the air supply system of tail row's circulating valve, its one end and fuel cell system connects, and the other end is connected to described
The air compressor air intake mouth of air inlet pipeline；
Humidity controller, it is connected respectively with voltage-current sensor, mass air flow sensor and tail row's circulating valve, for according to combustion
Expect the output current of battery pile and the internal resistance of output voltage estimation fuel cell pack, internal resistance and incoming fuel electricity with reference to battery pile
The aperture of Chi Dui both air flow modulation tail row's circulating valve.
The tie point of tail row's circulating valve and the air inlet pipeline is located at after the mass air flow sensor.
Air throttle is additionally provided with the outlet pipe, the air throttle is located at the connection of tail row's circulating valve and the outlet pipe
After point.
It is a kind of containing the fuel cell system based on tail row's circulating valve fuel cell humidifying system, including fuel cell pack,
And the air supply system and reducing agent system being connected with fuel cell pack, the fuel cell system also include voltage x current and passed
Sensor, mass air flow sensor, tail row's circulating valve, and connect respectively with voltage-current sensor, mass air flow sensor and tail row's circulating valve
Humidity controller, the electric energy output end connection of the voltage-current sensor and fuel cell pack are connect, the mass air flow sensor is set
In on the air inlet pipeline of air supply system, one end of the tail row circulating valve and the outlet of air supply system are connected, and the other end is connected to
The air compressor air intake mouth of air inlet pipeline.
Air filter is additionally provided with the air inlet pipeline of the air supply system, the air filter is located at before mass air flow sensor.
Charge air cooler is additionally provided with the air inlet pipeline of the air supply system, the charge air cooler is located at after air compressor machine.
A kind of humidification processing method based on tail row's circulating valve fuel cell humidifying system, including：
The internal resistance of output current and output voltage the estimation fuel cell pack of fuel cell heap；
The internal resistance of fuel cell heap, and the air mass flow of incoming fuel battery pile, regulation tail row's circulating valve are opened
Degree.
The internal resistance of output current and output voltage the estimation fuel cell pack of the fuel cell heap, it is specially：Root
Estimate to obtain the internal resistance of fuel cell pack using double Kalman filtering algorithms according to the output current and output voltage of fuel cell pack.
The internal resistance of the fuel cell pack, and the air mass flow of incoming fuel battery pile, regulation tail row's circulating valve are opened
Degree, including：
The internal resistance of the fuel cell pack obtained according to estimation determines the humidity of PEM；
If humidity is too low, the aperture of increase tail row's circulating valve, on the contrary reduce the aperture of tail row's circulating valve.
While the aperture of tail row's circulating valve is reduced, increase the aperture of air throttle.
Compared with prior art, the invention has the advantages that：
1) exhaust that circulating valve control moistening is arranged by tail keeps the skin wet to be humidified to PEM to air inlet, it is only necessary to
The valve of one electronics adjustable opening, infiltration membrane humidifier scheme is matched compared to outside, the system architecture integrated level is high, cost
It is low, design it is simple the advantages that.
2) due to eliminating humidifier, the flow resistance on fuel battery air road is reduced, reduces the power consumption of air compressor machine indirectly,
Improve the efficiency of fuel cell whole system.
3) target internal resistance control is carried out to fuel cell, water management effectively can be carried out to fuel cell, improve combustion
Expect battery efficiency, performance, and powerful measure is provided for the water content control of cold start-up film.
4) tie point of tail row's circulating valve and air inlet pipeline is located at after the mass air flow sensor, enters from gas exhaust piping
The fluid of air pipe avoids repeated sampling, the design of simplify control algorithm not within the acquisition target of mass air flow sensor.
5) air throttle is additionally provided with outlet pipe, the effect of tail row's circulating valve can be improved.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Wherein：1st, voltage-current sensor, 2, mass air flow sensor, 3, tail row's circulating valve, 4, humidity controller, 5, fuel electricity
Chi Dui, 6, air compressor machine, 7, air throttle, 8, air filter, 9, charge air cooler, 10, DC transfer circuit, 11, high voltage power battery.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
The application proposes a kind of new fuel cell humidification scheme, has that humidification degree is controllable, simple in construction, and it is excellent that cost is low etc.
Point.The reaction product of the minus plate led to due to the air supply system of fuel cell system has water, therefore present applicant proposes will be for
The tail gas of gas system discharge is directed into air inlet side, the humidity of air inlet side is improved, so as to realize the purpose of humidification.
Specifically, providing a kind of tail that is based on arranges the fuel cell humidifying system of circulating valve 3, as shown in figure 1, including：
Voltage-current sensor 1, it is connected with the output end of fuel cell pack 5, for gathering the output electricity of fuel cell pack 5
Stream and output voltage；
Mass air flow sensor 2, on the air inlet pipeline of the air supply system of the system of fuel cell pack 5, enter for gathering
The air mass flow of fuel cell pack 5；
The outlet of the air supply system of tail row's circulating valve 3, its one end and fuel cell system connects, and the other end is connected to air inlet
The air inlet of air compressor machine 6 of pipeline；
Humidity controller 4, it is connected respectively with voltage-current sensor 1, mass air flow sensor 2 and tail row's circulating valve 3, for root
The internal resistance of fuel cell pack 5 is estimated according to the output current and output voltage of fuel cell pack 5, with reference to the internal resistance and entrance of battery pile
The aperture of both air flow modulation tail row's circulating valve 3 of fuel cell pack 5.
In addition, the tie point of tail row's circulating valve 3 and air inlet pipeline is located at after mass air flow sensor 2, enter from gas exhaust piping
The fluid of air inlet pipeline avoids repeated sampling, the design of simplify control algorithm not within the acquisition target of mass air flow sensor 2.
In addition, being additionally provided with air throttle 7 on outlet pipe, the air throttle 7 is located at after the tie point of tail row's circulating valve 3 and outlet pipe,
Adjusted by the aperture of air throttle, the effect of tail row's circulating valve 3 can be improved.
Likewise, based on above-mentioned humidification system, a kind of improved fuel cell system, including fuel electricity can also be provided
Pond heap 5, and the air supply system and reducing agent system being connected with fuel cell pack 5, fuel cell system also include voltage electricity
Flow sensor 1, mass air flow sensor 2, tail row's circulating valve 3, and arranged respectively with voltage-current sensor 1, mass air flow sensor 2 and tail
Circulating valve 3 connects humidity controller 4, and voltage-current sensor 1 is connected with the output end of fuel cell pack 5, and mass air flow sensor 2 is set
In on the air inlet pipeline of air supply system, one end of tail row's circulating valve 3 is connected with the outlet with air supply system, the other end be connected into
The air inlet of air compressor machine 6 of air pipe.
Air filter 8 is additionally provided with the air inlet pipeline of air supply system, the air filter 8 is located at before mass air flow sensor 2, air supply system
Charge air cooler 9 is additionally provided with air inlet pipeline, the charge air cooler 9 is located at after air compressor machine 6.The output end of fuel cell pack 5 can pass through
DC transfer circuit 11 connects high voltage power battery 11.
For humidity controller 4, its input is the internal resistance of air mass flow and fuel cell pack 5, and tail row's circulating valve 3 is one
Can electrical adjustment aperture valve.
Therefore humidification processing method disclosed in the present application, including：
The output current and output voltage of fuel cell heap 5 estimate fuel cell pack using double Kalman filtering algorithms
5 internal resistance；
The internal resistance of fuel cell heap 5, and the air mass flow of incoming fuel battery pile 5, regulation tail row's circulating valve 3
Aperture, specifically, the internal resistance of the fuel cell pack 5 obtained first according to estimation determines the humidity of PEM, then, if wet
Spend it is low then, increase tail row circulating valve 3 aperture, otherwise reduce tail row circulating valve 3 aperture.In addition, reducing tail row's circulation
While the aperture of valve 3, increase the aperture of air throttle 7.
And then when film is done, tail row's aperture of circulating valve 3 is increased and reduces the aperture of air throttle 7, by more negative electrodes
Circulation of tail gas backflow air compressor machine 6 front end for the high humidity higher temperatures discharged after reaction, is sent into fuel cell pack 5 by air compressor machine 6 and enters
Mouthful, to reach humidification purpose.When water logging, the rotating speed by improving air compressor machine 6 increases metering ratio, increases the aperture of air throttle 7, fits
When reducing circulation of tail gas valve, the water of negative electrode is discharged, and then prevent water logging.
It should be noted that the application is by controlling the humidity of film, it is possible to achieve the control to the internal resistance of fuel cell pack 5.
Claims (10)
1. one kind is based on tail row's circulating valve fuel cell humidifying system, it is characterised in that including：
Voltage-current sensor, it is connected with the electric energy output end of fuel cell pack, for gathering the output current of fuel cell pack
And output voltage；
Mass air flow sensor, on the air inlet pipeline of the air supply system of fuel cell stack system, for gathering incoming fuel electricity
Chi Dui air flow rate signal signal；
The outlet of the air supply system of tail row's circulating valve, its one end and fuel cell system connects, and the other end is connected to the air inlet
The air compressor air intake mouth of pipeline；
Humidity controller, it is connected respectively with voltage-current sensor, mass air flow sensor and tail row's circulating valve, for according to fuel electricity
The internal resistance of Chi Dui output current and output voltage estimation fuel cell pack, internal resistance and incoming fuel battery pile with reference to battery pile
Both air flow modulation tail row circulating valve aperture.
It is 2. according to claim 1 a kind of based on tail row's circulating valve fuel cell humidifying system, it is characterised in that the tail
The tie point of row's circulating valve and the air inlet pipeline is located at after the mass air flow sensor.
It is 3. according to claim 1 a kind of based on tail row's circulating valve fuel cell humidifying system, it is characterised in that it is described go out
Air throttle is additionally provided with air pipe, the air throttle is located at after the tie point of tail row's circulating valve and the outlet pipe.
4. a kind of fuel cell system based on tail row's circulating valve fuel cell humidifying system containing described in claims 1 to 3,
Characterized in that, the fuel cell system also includes voltage-current sensor, mass air flow sensor, tail row's circulating valve, Yi Jifen
Be connected humidity controller with voltage-current sensor, mass air flow sensor and tail row's circulating valve, the voltage-current sensor and
The electric energy output end connection of fuel cell pack, on the air inlet pipeline of air supply system, the tail row follows the mass air flow sensor
One end of ring valve and the outlet of air supply system connect, and the other end is connected to the air compressor air intake mouth of air inlet pipeline.
5. fuel cell system according to claim 4, it is characterised in that also set on the air inlet pipeline of the air supply system
There is air filter, the air filter is located at before mass air flow sensor.
6. fuel cell system according to claim 4, it is characterised in that also set on the air inlet pipeline of the air supply system
There is charge air cooler, the charge air cooler is located at after air compressor machine.
7. a kind of humidification processing method based on tail row's circulating valve fuel cell humidifying system as described in claims 1 to 3, its
It is characterised by, including：
The internal resistance of output current and output voltage the estimation fuel cell pack of fuel cell heap；
The internal resistance of fuel cell heap, and the air mass flow of incoming fuel battery pile, the aperture of regulation tail row's circulating valve.
8. according to the method for claim 7, it is characterised in that the output current and output electricity of the fuel cell heap
The internal resistance of pressure estimation fuel cell pack, it is specially：The output current and output voltage of fuel cell heap use double card Germania
Filtering algorithm is estimated to obtain the internal resistance of fuel cell pack.
9. according to the method for claim 7, it is characterised in that the internal resistance of the fuel cell pack, and incoming fuel electricity
Chi Dui air mass flow, the aperture of regulation tail row's circulating valve, including：
The internal resistance of the fuel cell pack obtained according to estimation determines the humidity of PEM；
If humidity is too low, the aperture of increase tail row's circulating valve, on the contrary reduce the aperture of tail row's circulating valve.
10. according to the method for claim 7, it is characterised in that while the aperture of tail row's circulating valve is reduced, increase section
The aperture of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385811.8A CN107895806A (en) | 2017-12-20 | 2017-12-20 | fuel cell humidifying system, method and fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385811.8A CN107895806A (en) | 2017-12-20 | 2017-12-20 | fuel cell humidifying system, method and fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107895806A true CN107895806A (en) | 2018-04-10 |
Family
ID=61808278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385811.8A Pending CN107895806A (en) | 2017-12-20 | 2017-12-20 | fuel cell humidifying system, method and fuel cell system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830714A (en) * | 2019-02-01 | 2019-05-31 | 清华大学 | Fuel cell diagnostic method, device and storage medium |
| CN109888335A (en) * | 2019-02-20 | 2019-06-14 | 华北电力大学 | a fuel cell system |
| CN110531270A (en) * | 2019-09-18 | 2019-12-03 | 上海重塑能源科技有限公司 | A kind of diagnostic method and its diagnostic system of fuel cell air supply system |
| CN111029621A (en) * | 2019-11-08 | 2020-04-17 | 珠海格力电器股份有限公司 | Hydrogen fuel cell self-humidifying structure and system |
| CN112018411A (en) * | 2020-08-25 | 2020-12-01 | 一汽解放汽车有限公司 | Humidification system of fuel cell and control method thereof |
| CN112397745A (en) * | 2020-11-09 | 2021-02-23 | 一汽解放汽车有限公司 | Air system and control method thereof, fuel cell engine and vehicle |
| CN112652792A (en) * | 2021-02-05 | 2021-04-13 | 北京亿华通科技股份有限公司 | Fuel cell, control method thereof, vehicle, and computer-readable storage medium |
| CN112928307A (en) * | 2021-03-24 | 2021-06-08 | 苏州弗尔赛能源科技股份有限公司 | Air supply system of fuel cell engine and control method |
| CN113363540A (en) * | 2021-06-03 | 2021-09-07 | 上海重塑能源科技有限公司 | Humidifier leak diagnosis method and fuel cell system |
| CN113707916A (en) * | 2021-07-23 | 2021-11-26 | 上海重塑能源科技有限公司 | Fuel cell humidity estimation method and estimation system |
| US20230092461A1 (en) * | 2020-02-17 | 2023-03-23 | Japan Aerospace Exploration Agency | Method for controlling fuel cell device |
| US12278407B2 (en) * | 2020-02-17 | 2025-04-15 | Japan Aerospace Exploration Agency | Method for controlling fuel cell device |
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| CN207818786U (en) * | 2017-12-20 | 2018-09-04 | 上海重塑能源科技有限公司 | Fuel cell humidifying system and fuel cell system |
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| CN1943067A (en) * | 2004-04-08 | 2007-04-04 | 丰田自动车株式会社 | Fuel cell system |
| CN102751521A (en) * | 2012-07-03 | 2012-10-24 | 新源动力股份有限公司 | Air recirculation heating system and method for starting fuel cell at low temperature |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830714A (en) * | 2019-02-01 | 2019-05-31 | 清华大学 | Fuel cell diagnostic method, device and storage medium |
| CN109888335A (en) * | 2019-02-20 | 2019-06-14 | 华北电力大学 | a fuel cell system |
| CN110531270A (en) * | 2019-09-18 | 2019-12-03 | 上海重塑能源科技有限公司 | A kind of diagnostic method and its diagnostic system of fuel cell air supply system |
| CN111029621A (en) * | 2019-11-08 | 2020-04-17 | 珠海格力电器股份有限公司 | Hydrogen fuel cell self-humidifying structure and system |
| US20230092461A1 (en) * | 2020-02-17 | 2023-03-23 | Japan Aerospace Exploration Agency | Method for controlling fuel cell device |
| US12278407B2 (en) * | 2020-02-17 | 2025-04-15 | Japan Aerospace Exploration Agency | Method for controlling fuel cell device |
| CN112018411A (en) * | 2020-08-25 | 2020-12-01 | 一汽解放汽车有限公司 | Humidification system of fuel cell and control method thereof |
| CN112018411B (en) * | 2020-08-25 | 2022-04-01 | 一汽解放汽车有限公司 | Humidification system of fuel cell and control method thereof |
| CN112397745A (en) * | 2020-11-09 | 2021-02-23 | 一汽解放汽车有限公司 | Air system and control method thereof, fuel cell engine and vehicle |
| CN112652792A (en) * | 2021-02-05 | 2021-04-13 | 北京亿华通科技股份有限公司 | Fuel cell, control method thereof, vehicle, and computer-readable storage medium |
| CN112928307A (en) * | 2021-03-24 | 2021-06-08 | 苏州弗尔赛能源科技股份有限公司 | Air supply system of fuel cell engine and control method |
| CN112928307B (en) * | 2021-03-24 | 2022-08-02 | 苏州弗尔赛能源科技股份有限公司 | Air supply system of fuel cell engine and control method |
| CN113363540A (en) * | 2021-06-03 | 2021-09-07 | 上海重塑能源科技有限公司 | Humidifier leak diagnosis method and fuel cell system |
| CN113363540B (en) * | 2021-06-03 | 2022-12-20 | 上海重塑能源科技有限公司 | Humidifier leak diagnosis method and fuel cell system |
| CN113707916B (en) * | 2021-07-23 | 2023-08-04 | 上海重塑能源科技有限公司 | Method and system for estimating humidity of fuel cell |
| CN113707916A (en) * | 2021-07-23 | 2021-11-26 | 上海重塑能源科技有限公司 | Fuel cell humidity estimation method and estimation system |
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Application publication date: 20180410 |
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