CN110247084A - A kind of more electric pile fuel cell systems and its control method, vehicle - Google Patents
A kind of more electric pile fuel cell systems and its control method, vehicle Download PDFInfo
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- CN110247084A CN110247084A CN201810195671.6A CN201810195671A CN110247084A CN 110247084 A CN110247084 A CN 110247084A CN 201810195671 A CN201810195671 A CN 201810195671A CN 110247084 A CN110247084 A CN 110247084A
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- Prior art keywords
- pile
- fuel cell
- controller
- control switch
- branch
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/31—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for starting of fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/34—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by heating
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- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
-
- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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 present invention relates to Fuel Cell Control technical field, especially a kind of more electric pile fuel cell systems and its control method, vehicle.The vehicle includes fuel cell system and with electric device, the system includes controller, series-fed circuit or parallel operation circuit, cooling water pipeline and supply air line, cooling water pipeline connects each pile by each cooling branch, supply air line connects each pile by each gas supply branch, and each branch road that supplies is respectively arranged with electromagnetic gas valve；It is provided in series-fed circuit or in parallel operation circuit the control switch for controlling each pile respectively；The output end of controller connects each electromagnetic gas valve and each control switch, control switch and electromagnetic gas valve elder generation actuating section pile are controlled by controller, its heat generated, it can be rapidly heated for other piles and heat is provided, it realizes that fuel cell system is rapidly heated, solves the problems, such as in low temperature environment that the fuel cell heating-up time is longer, starting leads to battery performance decline more slowly, is not able to satisfy user's use demands.
Description
Technical field
The present invention relates to Fuel Cell Control technical field, especially a kind of more electric pile fuel cell systems and its controlling party
Method, vehicle.
Background technique
Fuel cell is a kind of hair that the chemical energy of fuel and oxidant is directly changed into electric energy by electrochemical reaction
Electric installation has many advantages, such as energy conversion efficiency height, without greenhouse gas emission, is suitable for the fields such as automobile, power station, space flight.Combustion
Expect that battery has optimal reaction temperature, for example the optimal reaction temperature of Proton Exchange Membrane Fuel Cells is 70~90 DEG C, fuel electricity
Pond quick start reaches optimal reaction temperature, realizes efficient operation, is of great significance.
Fuel cell system is by galvanic pile module, air supply system, hydrogen gas feed system, hydro-thermal management system and control system
System composition, wherein the several piles of galvanic pile module are connected in series or in parallel.Electrochemical reaction, which occurs, for fuel cell a best temperature
Range is spent, for example Proton Exchange Membrane Fuel Cells is 70~90 DEG C, needs as early as possible to be promoted to temperature instead after fuel cell start-up
Optimum temperature section is answered, hydrogen electrotransformation efficiency is on the one hand improved, on the one hand extends fuel battery service life.There is Chinese patent publication No.
One kind is disclosed with stagewise temperature controlled fuel cell started quickly at low temperature system for the patent document of CN103682403A
System and method, the system include the pile and refrigerant storage case of Proton Exchange Membrane Fuel Cells, the air inlet duct of pile
On air heater is installed, pile is equipped with coolant heater, pile on the water inlet line between refrigerant storage case
On be additionally provided with pile heater, preheated for end plate, insulation board and the collector plate to Proton Exchange Membrane Fuel Cells, this is
System is additionally provided with the temperature sensor for measuring stack temperature.It is found that fuel cell pile is in low temperature environment, due to fuel electricity
Pond specific heat capacity itself is larger, the more low reason of environment temperature, and fuel cell heating takes a long time, this not only will affect combustion
Expect battery performance, and is difficult to meet customer need.
Summary of the invention
It is low to solve the object of the present invention is to provide a kind of more electric pile fuel cell systems and its control method, vehicle
The problem of fuel cell heating-up time is longer in warm environment, starting causes battery performance to decline more slowly.
To achieve the above object, the present invention provides the present invention and provides a kind of more electric pile fuel cell system control methods, when
When fuel cell start-up, one or more piles are started by control power switch, the heat that the pile having been turned on is generated
Heat is provided to inactive one or more piles as heat source.By way of heat after the first torrid zone is dynamic, a part of pile is allowed
First warm up, it is final to realize common fever, the rapid warming-up starting of fuel cell pile is realized, solves in low temperature environment and fires
Material the battery heating-up time it is longer, starting cause more slowly battery performance decline, be not able to satisfy the problem of user's use demands.
As a kind of improvement of more electric pile fuel cell system control methods provided by the invention, starting meets temperature condition
Pile, until all piles all start.
The present invention also provides a kind of more electric pile fuel cell systems, including for electricity consumption power elements power supply circuit,
Cooling water pipeline and supply air line, further include controller and at least two piles, and the cooling water pipeline passes through each cooling branch
Each pile is connected, the supply air line connects each pile by each gas supply branch, and each gas supply branch road is respectively
It is provided with an electromagnetic gas valve；The concatenated each pile of series-fed circuit, each pile bypass branch in parallel,
It is provided with a control switch in each bypass branch or parallel operation circuit includes at least two power supply branch in parallel
Road, for connecting each pile, each power supply branch road is provided with a control switch；The output end of the controller
Connect each electromagnetic gas valve and each control switch.When some or several piles pass through external heat or self-heating mode
First start, generate electrically and thermally, on the one hand can satisfy User Part power demand, these on the other hand can be used electrically and thermally,
Heat is provided to being rapidly heated for other piles, it is final to realize that fuel cell system is rapidly heated, it solves in low temperature environment and fires
The problem of material battery heating-up time is longer, starting causes battery performance to decline more slowly.
As a kind of improvement of more electric pile fuel cell systems provided by the invention, each cooling branch road is respectively set
The output end of one electromagnetic water valve, the controller connects each electromagnetic water valve.
As a kind of more electric pile fuel cell systems further improvements provided by the invention, the controller is fuel cell
Controller.
The present invention also provides a kind of vehicle, including fuel cell system and with electric device, the fuel cell system includes
Power supply circuit, cooling water pipeline and supply air line, the fuel cell system further include controller and at least two piles, described
Cooling water pipeline connects each pile by each cooling branch, and the supply air line connects each electricity by each gas supply branch
Heap, each gas supply branch road are respectively arranged with an electromagnetic gas valve；The concatenated each pile of series-fed circuit, it is described each
A pile bypass branch in parallel is provided with a control switch or parallel operation circuit packet in each bypass branch
At least two power supply branches in parallel are included, for connecting each pile, each power supply branch road is provided with a control
Switch；The output end of the controller connects each electromagnetic gas valve and each control switch.
As a kind of improvement of vehicle provided by the invention, an electromagnetic water valve is respectively set in each cooling branch road,
The output end of the controller connects each electromagnetic water valve.
As a kind of further improvement of vehicle provided by the invention, the controller is fuel cell controller.
Detailed description of the invention
Fig. 1 is a kind of tandem junction composition of more electric pile fuel cell systems of embodiment 1；
Fig. 2 is the structure chart of four electric pile fuel cell system of one kind of embodiment 1；
Fig. 3 is a kind of parallel-connection structure figure of more electric pile fuel cell systems of embodiment 2；
Fig. 4 is the structure chart of four electric pile fuel cell system of one kind of embodiment 2.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
Embodiment 1
The present embodiment 1 provides a kind of vehicle, a kind of more electric pile fuel cell systems is provided in the vehicle and with electric device,
Wherein the galvanic pile module of fuel cell can be composed in series by several piles, as shown in Figure 1 be the concatenated fuel cell system of pile
Structure chart, including series-fed circuit, the series-fed circuit connection electric device is for electricity；In series-fed circuit, supply
Fuel cell pile is together in series by circuit, and corresponding short circuit current is provided between the positive and negative anodes of each pile, short circuit
It is provided with control switch on circuit, to control opening or closing for the affiliated pile of control switch, and then controls the electricity of actual motion
Heap quantity.
As shown in Figure 1, the system further includes cooling water pipeline, which connects all electricity by cooling branch
An electromagnetic water valve can be set on each cooling branch road for connecting each pile in heap, with the cooling of each pile of independent control or adds
Heat；It can also be not provided with electromagnetic water valve, mutually circulated between the cooling water of all piles, when the booting of part pile, produced
Raw heat can carry out heat by cooling water pipeline and be transferred to the pile being not keyed up, and realize the quick start of pile.It is therein
Cooling medium in cooling water pipeline can be water or oil, be also possible to other substances.
As shown in Figure 1, the system further includes supply air line, which connects each pile by each gas supply branch, respectively
Gas supply branch road is provided with an electromagnetic gas valve, with the gas supply of each pile of independent control.The system further include controller (in figure not
Draw), if being provided with electromagnetic water valve in system, the output end of controller connects each electromagnetic water valve, each electromagnetic gas valve and each control
System switch, preferably the controller is fuel cell controller in the car.
When fuel cell start-up, one or more piles are started by control power switch, the pile that will be had been turned on
The heat of generation provides heat to inactive one or more piles as heat source.
It based on above-mentioned more electric pile fuel cell systems, can complete first to start the part pile in galvanic pile module, generate
Electrically and thermally, it on the one hand can satisfy User Part power demand, on the other hand quickly can provide heat source to other pile warming-ups,
Realize quickly cold start-up.Corresponding control method is as follows.
Firstly, controller obtains fuel cell starting-up signal；And corresponding control switch and electromagnetic gas valve are controlled to start
The pile of first setting number, wherein the first setting number is less than pile number；Secondly, controller obtains remaining each pile
Temperature judges whether remaining each stack temperature meets respectively and is greater than set temperature threshold value；When stack temperature meets temperature condition,
Controller controls corresponding control switch and electromagnetic gas valve to start corresponding pile, finally, until all piles all start.
As shown in Fig. 2, a kind of four electric pile fuel cell systems, pile series connection starts No. 1 with pile number for 4 in the system
For No. 3 piles, wherein the pile is chosen for randomly selecting or chooses in a set manner, and starting step is as follows:
1) No. 1 and No. 3 pile supply air lines, power supply circuits are connected, No. 1, No. 2, No. 3 and No. 4 pile cooling water pipe is connected
Road.
2) No. 1 and No. 3 starts to generate electricity and generate heat, No. 1, No. 2, No. 3 and No. 4 pile cooling water pipeline due to it is shared start by
Edge up temperature, and 2 and No. 4 stack temperatures are stepped up.
3) when No. 2 and No. 4 stack temperatures are raised to 0 DEG C or more, the gas supply branch and power supply circuit for connecting No. 2 and No. 4 are to open
Move No. 2 and No. 4 piles.
In addition, due to not unique, the above-mentioned steps 1 of control mode) in by control electromagnetic water valve, can only only turn on 1
Number, the cooling water pipelines of No. 2 and No. 3 piles, connect No. 1 and No. 3 pile supply air lines, power supply circuits, start No. 1 and No. 3 and open
Electricity and fever are originated, the condition that heat transfer finally makes No. 2 stack temperatures raisings reach starting is carried out by cooling water pipeline.
Embodiment 2
The present embodiment 2 provides a kind of vehicle, a kind of more electric pile fuel cell systems is provided in the vehicle and with electric device,
Wherein the galvanic pile module of fuel cell can be composed in parallel by several piles, be illustrated in figure 3 the fuel cell system of pile parallel connection
Structure chart, including power supply circuit, the power supply circuit connection electric device is for electricity；In parallel operation circuit, power supply circuit will
Fuel cell pile simultaneously links up, and control switch is respectively arranged on the branch road for connecting each pile, to control control switch institute
The pile of category opens or closes, and then controls the pile quantity of actual motion.
As shown in figure 3, the system further includes cooling water pipeline, which connects all electricity by cooling branch
An electromagnetic water valve can be set on each cooling branch road for connecting each pile in heap, with the cooling of each pile of independent control or adds
Heat；It can also be not provided with electromagnetic water valve, mutually circulated between the cooling water of all piles, when the booting of part pile, produced
Raw heat can carry out heat by cooling water pipeline and be transferred to the pile being not keyed up, and realize the quick start of pile.
As shown in figure 3, the system further includes supply air line, which connects each pile by each gas supply branch, respectively
Gas supply branch road is provided with an electromagnetic gas valve, with the gas supply of each pile of independent control.The system further include controller (in figure not
Draw), if being provided with electromagnetic water valve in system, the output end of controller connects each electromagnetic water valve, each electromagnetic gas valve and each control
System switch, preferably the controller is fuel cell controller in the car.
It based on above-mentioned more electric pile fuel cell systems, can complete first to start the part pile in galvanic pile module, generate
Electrically and thermally, it on the one hand can satisfy User Part power demand, on the other hand quickly can provide heat source to other pile warming-ups,
Realize quickly cold start-up.
As shown in figure 4, a kind of four electric pile fuel cell systems, pile is in parallel in the system, with pile number for 4, starts No. 1
For No. 4 piles, wherein the pile is chosen for randomly selecting or chooses in a set manner, and starting step is as follows:
1) No. 1 and No. 4 pile supply air lines, power supply circuits are connected, No. 1, No. 2, No. 3 and No. 4 pile cooling water pipe is connected
Road.
2) No. 1 and No. 4 starts to generate electricity and generate heat, No. 1, No. 2, No. 3 and No. 4 pile cooling water pipeline due to it is shared start by
Edge up temperature, and 2 and No. 3 stack temperatures are stepped up.
3) when No. 2 and No. 3 stack temperatures are raised to 0 DEG C or more, the gas supply branch and power supply circuit for connecting No. 2 and No. 3 are to open
Move No. 2 and No. 3 piles.
In the step 1) of above-described embodiment 2 No. 1 can also be connected using No. 1 pile supply air line and power supply circuit is connected
With the cooling water pipeline of No. 2 piles, starts No. 1 pile and start to generate electricity and generate heat, heat transfer is carried out most by cooling water pipeline
So that No. 2 stack temperatures is increased the condition for reaching starting eventually, after starting No. 2 piles, connects the cooling water of No. 1, No. 2 and No. 3 pile
Pipeline makes the heat transfer of No. 1 and No. 2 pile carry out warming-up to No. 3 piles；Or connect the cold of No. 1, No. 2, No. 3 and No. 4 pile
But water lines make the heat transfer of No. 1 and No. 2 pile carry out warming-up to No. 3 and No. 4 piles.
Specific embodiment of the present invention is presented above, but the present invention is not limited to described embodiment.
Under the thinking that the present invention provides, to the skill in above-described embodiment by the way of being readily apparent that those skilled in the art
Art means are converted, are replaced, are modified, and play the role of with the present invention in relevant art means it is essentially identical, realize
Goal of the invention it is also essentially identical, the technical solution formed in this way is to be finely adjusted to be formed to above-described embodiment, this technology
Scheme is still fallen in protection scope of the present invention.
Claims (8)
1. a kind of more electric pile fuel cell system control methods, which is characterized in that when fuel cell start-up, powered by control
Switch starts one or more piles, and the heat that the pile having been turned on is generated is as heat source to inactive one or more
Pile provides heat.
2. more electric pile fuel cell system control methods according to claim 1, which is characterized in that starting meets temperature strip
The pile of part, until all piles all start.
3. a kind of more electric pile fuel cell systems, including for series-fed circuit or the parallel operation electricity to electricity consumption power elements
Road, cooling water pipeline and supply air line, which is characterized in that further include controller and at least two piles, the cooling water pipeline
Each pile is connected by each cooling branch, the supply air line connects each pile by each gas supply branch, described each
Gas supply branch road is respectively arranged with an electromagnetic gas valve；The concatenated each pile of series-fed circuit, each pile is simultaneously
Join a bypass branch, a control switch is provided in each bypass branch or parallel operation circuit includes at least two
The power supply branch of a parallel connection, for connecting each pile, each power supply branch road is provided with a control switch；It is described
The output end of controller connects each electromagnetic gas valve and each control switch.
4. more electric pile fuel cell systems according to claim 3, which is characterized in that each cooling branch road is set respectively
An electromagnetic water valve is set, the output end of the controller connects each electromagnetic water valve.
5. more electric pile fuel cell systems according to claim 4, which is characterized in that the controller is fuel cell control
Device processed.
6. a kind of vehicle, including fuel cell system and with electric device, the fuel cell system include series-fed circuit or
Parallel operation circuit, cooling water pipeline and supply air line, which is characterized in that the fuel cell system further includes controller and extremely
Few two piles, the cooling water pipeline connect each pile by each cooling branch, and the supply air line passes through each gas supply
Branch connects each pile, and each gas supply branch road is respectively arranged with an electromagnetic gas valve；Series-fed circuit is concatenated
Each pile, each pile bypass branch in parallel are provided with a control switch in each bypass branch,
Or parallel operation circuit includes at least two power supply branches in parallel, for connecting each pile, each power supply branch road
It is provided with a control switch；The output end of the controller connects each electromagnetic gas valve and each control switch.
7. vehicle according to claim 6, which is characterized in that an electromagnetism water is respectively set in each cooling branch road
The output end of valve, the controller connects each electromagnetic water valve.
8. vehicle according to claim 7, which is characterized in that the controller is fuel cell controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195671.6A CN110247084A (en) | 2018-03-09 | 2018-03-09 | A kind of more electric pile fuel cell systems and its control method, vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195671.6A CN110247084A (en) | 2018-03-09 | 2018-03-09 | A kind of more electric pile fuel cell systems and its control method, vehicle |
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| CN110247084A true CN110247084A (en) | 2019-09-17 |
Family
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| CN201810195671.6A Pending CN110247084A (en) | 2018-03-09 | 2018-03-09 | A kind of more electric pile fuel cell systems and its control method, vehicle |
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| CN113270618A (en) * | 2021-05-11 | 2021-08-17 | 中车青岛四方机车车辆股份有限公司 | Hydrogen fuel cell system, method and railway vehicle |
| CN114709460A (en) * | 2022-03-16 | 2022-07-05 | 东风汽车集团股份有限公司 | Fuel cell dual system and start control method thereof |
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| CN113270618A (en) * | 2021-05-11 | 2021-08-17 | 中车青岛四方机车车辆股份有限公司 | Hydrogen fuel cell system, method and railway vehicle |
| CN114709460A (en) * | 2022-03-16 | 2022-07-05 | 东风汽车集团股份有限公司 | Fuel cell dual system and start control method thereof |
| CN114709460B (en) * | 2022-03-16 | 2023-12-19 | 东风汽车集团股份有限公司 | Dual system for fuel cell and start control method thereof |
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