CN108736045A - A kind of fuel cell - Google Patents
A kind of fuel cell Download PDFInfo
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- CN108736045A CN108736045A CN201710261236.4A CN201710261236A CN108736045A CN 108736045 A CN108736045 A CN 108736045A CN 201710261236 A CN201710261236 A CN 201710261236A CN 108736045 A CN108736045 A CN 108736045A
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- fuel
- fuel supply
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- energy
- supply module
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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
- H01M8/04082—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
-
- 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
-
- 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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- 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
This application discloses a kind of fuel cells, including：Fuel generating systems, for converting chemical energy into electric energy；Energy electricity generation system, for natural energy resources to be converted into electric energy；Accumulating system, the accumulating system is connect with the fuel generating systems and the energy electricity generation system respectively, power storage for generating the fuel generating systems and the energy electricity generation system, electricity generation system can flexibly be chosen, it effectively ensures that fuel cell persistently produces electricl energy, provides safeguard for the normal operation of system to be powered.
Description
Technical field
This application involves battery technology field more particularly to a kind of fuel cells.
Background technology
As electricity consumption facility gos deep into the every nook and cranny of people's daily life, requirement of the people to power reliability is increasingly
It is high.Fuel cell (Fuel Cell) is a kind of hair that will be present in fuel and be converted into electric energy with the chemical energy in oxidant
Electric installation.The type of fuel cell includes mainly alkaline fuel cell, Proton Exchange Membrane Fuel Cells, phosphoric acid fuel cell, melts
Melt carbonate fuel battery, solid oxide fuel cell etc..Most widely used is the proton exchange membrane using hydrogen as fuel
Fuel cell.
But hydrogen mostlys come from the reformation hydrogen production of the fossil fuels such as the natural gas, methanol, coal of large chemical plant, it will
Hydrogen is transmitted to application terminal from hydrogen preparation plants and needs the infrastructure such as huge transport, storage plus hydrogen.Meanwhile various hydrogen storages
Mode can be high pressure storage tank hydrogen storage, alloy hydrogen storage.The mode of these hydrogen storages makes hydrogen capacity have limitation.Once hydrogen is used
Complete fuel cell can not produce electricl energy.In addition, the fuel feed system using above-mentioned hydrogen storage mode breaks down, can not also generate
Electric energy.
Therefore, how to effectively ensure that fuel cell persistently produces electricl energy, the normal operation for system to be powered provides guarantor
Barrier, is those skilled in the art's technical issues that need to address.
Invention content
The embodiment of the present application provides a kind of fuel cell, and in the prior art, fuel electricity cannot be effectively ensured that for solving
Pond persistently produces electricl energy, the problem of providing safeguard for the normal operation of system to be powered.
The embodiment of the present application uses following technical proposals：
The fuel cell of the application, including：Fuel generating systems, for converting chemical energy into electric energy；Energy power generation system
System, for natural energy resources to be converted into electric energy；Accumulating system, the accumulating system respectively with fuel generating systems and described
Energy electricity generation system connects, the electric energy for storing the fuel generating systems and energy electricity generation system generation.
Optionally, the fuel cell further includes：
Controller, the controller respectively with the fuel generating systems, the energy electricity generation system and the electric power storage system
System electrical connection, for selecting and controlling one of the fuel generating systems, the energy electricity generation system and described accumulating system
Power supply.
Optionally, fuel generating systems include：
Battery stack, the battery stack include anode chamber；
At least two fuel supply modules, the entrance of the fuel outlet and the anode chamber of each fuel supply module
Connection；
Switching control module, the switching control module is connect with each fuel supply module, for selecting and controlling
It makes one of described at least two fuel supply module and fuel is provided.
Optionally, at least two fuel supply module includes that the first fuel supply module and the second fuel supply mould
Block；
The switching control module includes：
Timing unit, the timing unit are used to provide fuel to the anode chamber to first fuel supply module
Time span carries out timing；
The switching control module was used for after the timing unit timing predetermined time, controlled the second fuel supply
Module provides fuel for the anode chamber.
Optionally, at least two fuel supply module includes that the first fuel supply module and the second fuel supply mould
Block；
The fuel generating systems further include：
The test side of detection module, the detection module is located in the anode chamber, for detecting institute in the anode chamber
The content of the fuel of first fuel supply module offer is provided；
The switching control module is electrically connected with the detection module, for when detection module detection first combustion
When the content for the fuel that material supplying module provides is unsatisfactory for predetermined value, it is the anode chamber to control second fuel supply module
Fuel is provided.
Optionally, first fuel supply module is hydrogen fuel supplying module, and second fuel supply module is coal
Gas fuel supply module.
Optionally, the fuel outlet of the fuel supply module is equipped with electrically operated valve；
The switching control module is electrically connected with the electrically operated valve on each fuel supply module, each for controlling
Electrically operated valve on the fuel supply module is turned on and off.
Optionally, the energy electricity generation system includes solar electrical energy generation module or wind power generation module.
Optionally, the solar electrical energy generation module includes：
Multiple solar panels, for receiving sunlight, to convert solar energy into electric energy.
Above-mentioned at least one technical solution that the embodiment of the present application uses can reach following advantageous effect：
By being equipped with fuel generating systems, energy electricity generation system and accumulating system in the scheme that the embodiment of the present application uses,
Accumulating system is connected respectively at fuel generating systems with energy electricity generation system, for being by fuel generating systems and energy power generation
The power storage that system generates.If fuel generating systems break down, it is to be powered that energy electricity generation system, which may be used, and produce electricl energy
System power supply；If fuel generating systems and energy electricity generation system break down, the electric energy that accumulating system storage may be used is to wait for
Power supply system is powered, and can flexibly be chosen electricity generation system, be effectively ensured that fuel cell persistently produces electricl energy, and is system to be powered
The normal operation of system provides safeguard.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of fuel cell provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of fuel generating systems in fuel cell provided by the embodiments of the present application.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall in the protection scope of this application.
Fig. 1 is the structural schematic diagram of fuel cell provided by the embodiments of the present application, as shown in Figure 1, the fuel cell includes：
Fuel generating systems 1, energy electricity generation system 2 and accumulating system 3.Fuel generating systems 1 are for converting chemical energy into electric energy.It should
Fuel generating systems 1 can be the electricity generation system using natural gas or the electricity generation system using coal.Energy electricity generation system 2 is used for
Natural energy resources are converted into electric energy.The energy electricity generation system 2 can be solar power system or wind generator system.Electric power storage system
System 3 is connect with fuel generating systems 1 and energy electricity generation system 2 respectively, for storing fuel generating systems 1 and energy electricity generation system
2 electric energy generated, in order to be used in set period.The accumulating system 3 can be accumulator, and the accumulator is by fuel power generation function
The power storage that system 1 and energy electricity generation system 2 generate subsequently directly uses fuel power generation function system according to actual demand selectivity
The electric energy of electric energy, the electric energy that energy electricity generation system 2 generates or the storage of accumulating system 3 that system 1 generates.
For example, in practical applications, when the price (abbreviation electricity price) of kilowatt-hour goes up in set period, can use and store
The electricity that electric system 3 stores to effectively avoid the period of electricity price rises, and then reduces economic cost.Meanwhile passing through energy
Source electricity generation system 2 feeds electricity so that electricity abundance is still ensured that when fuel generating systems 1 break down, it is ensured that electric energy
Duration production, improve the service efficiency of electric energy.
Preferably, fuel cell provided by the embodiments of the present application can also include：Controller 4.Controller 4 respectively with fuel
Electricity generation system 1, energy electricity generation system 2 and accumulating system 3 are electrically connected, for selecting and controlling fuel generating systems 1, energy power generation
Which of system 2 and accumulating system 3 are system power supply to be powered.When it is implemented, timing can be arranged inside controller 4
Program, when it is that system power supply to be powered reaches the predetermined time that controller 4, which controls fuel generating systems 1, controller 4 controls the energy
Electricity generation system 2 is system to be powered；It is system power supply to be powered when controller 4 controls energy electricity generation system 2 as system to be powered
When reaching the predetermined time, it is system to be powered that controller 4, which controls accumulating system 3,.Certainly, trigger controller 4 switches electricity generation system
Triggering mode can also use other modes, the embodiment of the present application be not especially limited.Therefore, provided by the embodiments of the present application
Fuel cell can be switched to another when any of fuel generating systems 1 and energy electricity generation system 2 break down
Electricity generation system generates electricity, it is ensured that the duration of electric energy produces so that the production efficiency of electric energy is preferable.In addition, if fuel is sent out
Electric system 1 and energy electricity generation system 2 break down, then it is system power supply to be powered that can use accumulating system 3, it is ensured that is waited for
The normal operation of power supply system, flexibility are higher.
In another embodiment, as shown in Fig. 2, the fuel generating systems 1 may include：Battery stack 11, at least two
A fuel supply module 12 and switching control module 13.Individually below to battery stack 11, at least two fuel supply modules 12
It is introduced with structure, its connection relation, position relationship and the work relationship of switching control module 13, it is described in detail below：
Battery stack 11 includes anode chamber, cathode chamber and the membrane electrode between anode chamber and cathode chamber.It uses anode chamber
In being filled with fuel, for example, hydrogen and/or carbon monoxide.Cathode chamber is for being filled with air.Membrane electrode (Membrane
Electrode Assemblies, MEA), it is the combination of proton exchange membrane (PEMs), catalyst and electrode.The proton exchange membrane
It is to be clipped between two electrodes (anode and cathode).The catalyst is embedded between proton exchange membrane and electrode, and catalyst is commonly used
Material can be platinum.Electrode is insulation with respect to proton exchange membrane, and electrode is hot pressing in proton exchange membrane.Electrode is commonly used
Material includes carbon fiber, beautiful (Toray) carbon fiber paper in east.Carbon fiber, which can maximize, is detached from the water in gas, and most by gas
The transport changed greatly is to proton exchange membrane.
When fuel (such as hydrogen) is filled with anode chamber, when air is filled with cathode chamber, under the effect of the catalyst, in hydrogen atom
One electronics is separated, and the hydrogen ion (proton) for losing electronics passes through proton exchange membrane, cathode chamber is reached, with oxygen atom weight
Newly it is combined into water.And electronics cannot be by proton exchange membrane, this electronics can only reach cathode chamber through external circuit, from
And electric current is generated in external circuit.
When fuel is coal gas, it is sent to modifier after coal gas is added vapor first, converts the fuel into H2, CO and water
The mixture of steam, CO and water are further converted to H in sigmatropic reaction device through catalyzer contact agent2And CO2；Then, by the H after conversion2
And CO2It is filled with anode chamber, air is filled with cathode chamber, under the effect of the catalyst, generates hydrogen ion (proton) and carbonate ions
CO3 2-Across proton exchange membrane, cathode chamber is reached, is recombined as water and carbon dioxide with oxygen atom.And electronics is cannot to pass through
Proton exchange membrane, this electronics can only reach cathode chamber through external circuit, to generate electric current in external circuit.
The fuel outlet of each fuel supply module 12 is connected to the entrance of anode chamber.When it is implemented, fuel supplies mould
The fuel outlet of block 12 can be connected to by pipeline with the entrance of anode chamber.For the ease of controlling the fuel of fuel supply module 12
Discharge, can be arranged valve at the fuel outlet of fuel supply module 12, which can be manually-operated gate, or
Electrically operated valve.
Switching control module 13 is connect with each fuel supply module 12, for controlling at least two fuel supply modules 12
Which of fuel supply module 12 provide fuel for anode chamber.The switching control module 13 can be by controlling each fuel
Supplying module 12 works, alternatively, the switching control module 13 can also be gone out by controlling the fuel of each fuel supply module 12
Being turned on and off for electrically operated valve is set at mouthful, to realize which of at least two fuel supply modules 12 of control fuel supplies
To module 12 fuel is provided for anode chamber.
Wherein, the control action of switching control module 13 can also may be used according to preset condition (e.g., the time limits)
It is described in detail below with the real-time monitoring information according to other component：
The first, the control action of switching control module 13 is according to preset condition：Assuming that two fuel supply mould
Block 12 can include but is not limited to the first fuel supply module 12 and the second fuel supply module 12, and switching control module 13 is wrapped
It includes：Timing unit.The time span that timing unit is used to provide the first fuel supply module to anode chamber fuel carries out timing.
Switching control module 13 was used for after the timing unit timing predetermined time, and the second fuel supply module 12 of control provides for anode chamber
Fuel.Wherein, the predetermined time can set according to actual demand, and the embodiment of the present application is not specifically limited.When it is implemented, should
Predetermined time can be " 10 minutes ", " 30 minutes " or " 2 hours ".
The timing unit can be timing circuit, or the timing program inside handover module.If timing unit is
Timing circuit, then when switching control module 13, which controls the first fuel supply module 12, provides fuel for anode chamber, switching control
Module 13 controls timing circuit and is closed, and timing circuit starts timing, and when timing to the predetermined time, switching control module 13 controls
Second fuel supply module 12 provides fuel for anode chamber.At this point, switching control module 13 controls timing circuit restarting.If
Timing unit is the timing program inside handover module, then is sun when switching control module 13 controls the first fuel supply module 12
When pole room provides fuel, timing program starts timing, when timing is to predetermined time m, second combustion of the control of switching control module 13
Material supplying module 12 provides fuel for anode chamber, and timing program continues timing, and when timing is to 2m, switching control module 13 controls
First fuel supply module 12 provides fuel for anode chamber, and so on.
Therefore, fuel cell provided by the embodiments of the present application can make different fuel supply modules 12 periodically replace work
Make, improves the service efficiency of fuel supply module 12.Meanwhile effectively preventing same fuel and supplying enough, cause fuel
The phenomenon that being not sufficiently reacted provides the sufficient time for the chemical reaction of fuel, improves the utilization rate of fuel.Separately
Outside, when a certain fuel supply module 12 breaks down, other fuel supply modules 12 can be switched to, fuel is provided,
Ensure the duration production of electric energy so that the production efficiency of electric energy is preferable.
Second, the real-time monitoring information of the control action foundation other component of switching control module 13：Assuming that two combustions
Material supplying module 12 can include but is not limited to the first fuel supply module 12 and the second fuel supply module 12, and fuel cell is also
Including：Detection module.The test side of detection module is located in anode chamber, for detecting the first fuel supply module 12 in anode chamber
The content of the fuel of offer.Switching control module 13 is electrically connected with detection module, for being supplied when detection module detects the first fuel
When being unsatisfactory for predetermined value to the content of the fuel of the offer of module 12, the second fuel supply module 12 of control provides combustion for anode chamber
Material.The predetermined value can refer to a certain specific numerical value, can also refer to certain numberical range.If predetermined value refers to a certain specific number
Value, then " being unsatisfactory for predetermined value " includes：More than a certain specific numerical value, or, being less than a certain specific numerical value, or, being more than or equal to
A certain specific numerical value, or, being less than or equal to a certain specific numerical value.
Wherein, infrared inductor or density sensor may be used in detection module.If detection module is density sensor,
The test side of density sensor is located in anode chamber for detecting the fuel of the first fuel supply module 12 offer in anode chamber
Content, when the content for the fuel that the first fuel supply module 12 provides in density sensor detection anode chamber is unsatisfactory for predetermined value
When, detection information is sent to switching control module 13 by density sensor, and switching control module 13 is according to detection information control the
Two fuel supply modules 12 provide fuel for anode chamber.Similarly, when the second fuel supply mould in density sensor detection anode chamber
When the content for the fuel that block 12 provides is unsatisfactory for predetermined value, detection information is sent to switching control module 13 by density sensor,
Switching control module 13 controls the first fuel supply module 12 according to detection information and provides fuel for anode chamber.
Therefore, fuel cell provided by the embodiments of the present application detects sun by switching control module 13 according to detection module
The content situation for the fuel that pole room fuel supplying module 12 provides is switched to the fuel supply that fuel is provided in anode chamber in real time
Module 12 makes different fuel supply modules 12 work alternatively, and effectively prevents same fuel and supplied enough, causes fuel not
The phenomenon that capable of fully reacting, provides the sufficient time for the chemical reaction of fuel, improves the utilization rate of fuel.Separately
Outside, when a certain fuel supply module 12 breaks down, other fuel supply modules 12 can be switched to, fuel is provided,
Ensure the duration production of electric energy so that the production efficiency of electric energy is preferable.
In practical applications, the first fuel supply module 12 described in the embodiment of the present application can be that hydrogen fuel supplies mould
Block 12, the second fuel supply module 12 can be coal gas fuel supply module 12.
In another embodiment, the energy electricity generation system 2 may include solar electrical energy generation module or wind power generation module.
If energy electricity generation system 2 is solar electrical energy generation module, which may include：Multiple solar panels, are used for
Sunlight is received to convert solar energy into electric energy.Solar panels may include：Tempered glass, power generation main body (such as battery
Piece), backboard, aluminium alloy, terminal box and silica gel.Each structure is introduced individually below：
Tempered glass is used for as protection power generation main body (such as cell piece).Tempered glass, which needs to meet light transmittance, necessarily to be greater than
91%, and need to do the processing of ultrawhite tempering.Tempered glass is bonded with cell piece by ethylene-vinyl acetate copolymer EVA.EVA
The quality of material directly influences the service life of solar panels, the aerial EVA jaundice easy to aging of exposure, to influence solar energy
The light transmittance of plate, and then influence the power generating quality of solar panels.
For cell piece for generating electricity, cell piece is usually crystalline silicon solar cell piece or thin film solar cell sheet.Crystalline silicon
The advantage of lower cost of solar battery sheet, but photoelectric conversion efficiency is higher, and it is more suitable to generate electricity under outdoor solar light.Film is too
The cost of positive energy battery is higher, but electricity conversion regarding crystal silicon cell is relatively low, dim light effect is very good, in ordinary lamps
It can also generate electricity under light, such as the solar cell on calculator.
Backboard is for sealing, insulating and waterproof.Tetra- benzene second of backboard generally use polyvinyl fluoride composite membrane TPT, 1,1,2,2-
Material ageing-resistant alkene TPE etc..
Aluminium alloy supports solar panels for sealing and supporting role.
Terminal box plays the role of electric current terminal, and if there is short circuit, terminal box disconnects short circuit battery string automatically, prevents
Burn out whole system.The selection of diode in terminal box needs to be chosen according to the type difference of cell piece.
Silica gel is for seal assembly and aluminum alloy frame, component and terminal box intersection.Simple for process, the convenience of silica gel,
It is easy to operate, and cost is very low.
By being equipped with fuel generating systems, energy electricity generation system and accumulating system in the scheme that the embodiment of the present application uses,
Accumulating system is connected respectively at fuel generating systems with energy electricity generation system, for being by fuel generating systems and energy power generation
The power storage that system generates.If fuel generating systems break down, it is to be powered that energy electricity generation system, which may be used, and produce electricl energy
System power supply；If fuel generating systems and energy electricity generation system break down, the electric energy that accumulating system storage may be used is to wait for
Power supply system is powered, and can flexibly be chosen electricity generation system, be effectively ensured that fuel cell persistently produces electricl energy, and is system to be powered
The normal operation of system provides safeguard.
It these are only embodiments herein, be not intended to limit this application.To those skilled in the art,
The application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of claims hereof.
Claims (9)
1. a kind of fuel cell, which is characterized in that including：
Fuel generating systems, for converting chemical energy into electric energy；
Energy electricity generation system, for natural energy resources to be converted into electric energy；
Accumulating system, the accumulating system is connect with the fuel generating systems and the energy electricity generation system respectively, for depositing
Store up the electric energy of the fuel generating systems and energy electricity generation system generation.
2. fuel cell according to claim 1, which is characterized in that the fuel cell further includes：
Controller, the controller are electric with the fuel generating systems, the energy electricity generation system and the accumulating system respectively
Connection, for selecting and controlling the power supply of one of the fuel generating systems, the energy electricity generation system and described accumulating system.
3. fuel cell according to claim 1 or 2, which is characterized in that fuel generating systems include：
Battery stack, the battery stack include anode chamber；
At least two fuel supply modules, the fuel outlet of each fuel supply module connect with the entrance of the anode chamber
It is logical；
Switching control module, the switching control module is connect with each fuel supply module, for selecting and controlling institute
It states one of at least two fuel supply modules and fuel is provided.
4. fuel cell according to claim 3, which is characterized in that at least two fuel supply module includes first
Fuel supply module and the second fuel supply module；
The switching control module includes：
Timing unit, the timing unit are used to provide first fuel supply module to the anode chamber time of fuel
Length carries out timing；
The switching control module was used for after the timing unit timing predetermined time, controlled second fuel supply module
Fuel is provided for the anode chamber.
5. fuel cell according to claim 3, which is characterized in that at least two fuel supply module includes first
Fuel supply module and the second fuel supply module；
The fuel generating systems further include：
The test side of detection module, the detection module is located in the anode chamber, for detecting described in the anode chamber
The content for the fuel that one fuel supply module provides；
The switching control module is electrically connected with the detection module, for being supplied when the detection module detects first fuel
When being unsatisfactory for predetermined value to the content of the fuel of module offer, controls second fuel supply module and provided for the anode chamber
Fuel.
6. fuel cell according to claim 4 or 5, which is characterized in that first fuel supply module is hydrogen fuel
Supplying module, second fuel supply module are coal gas fuel supply module.
7. fuel cell according to claim 1,2,4 or 5, which is characterized in that the fuel of the fuel supply module goes out
Mouth is equipped with electrically operated valve；
The switching control module is electrically connected with the electrically operated valve on each fuel supply module, each described for controlling
Electrically operated valve on fuel supply module is turned on and off.
8. fuel cell according to claim 1, which is characterized in that the energy electricity generation system includes solar power generation mould
Block or wind power generation module.
9. fuel cell according to claim 8, which is characterized in that the solar electrical energy generation module includes：
Multiple solar panels, for receiving sunlight, to convert solar energy into electric energy.
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| CN201710261236.4A CN108736045A (en) | 2017-04-20 | 2017-04-20 | A kind of fuel cell |
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