CN108539225A - The startup method and solid oxide fuel cell of solid oxide fuel cell - Google Patents
The startup method and solid oxide fuel cell of solid oxide fuel cell Download PDFInfo
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- CN108539225A CN108539225A CN201810469301.7A CN201810469301A CN108539225A CN 108539225 A CN108539225 A CN 108539225A CN 201810469301 A CN201810469301 A CN 201810469301A CN 108539225 A CN108539225 A CN 108539225A
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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
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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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
This application discloses the startup methods and solid oxide fuel cell of a kind of solid oxide fuel cell, wherein startup method is：The pile of solid oxide fuel cell is divided at least two groups, the pile quantity in every group is one or more, and the heat that burner combustion generates is carried out concentration heating starting to every group of pile by group.In this startup method, the pile of solid oxide fuel cell is divided at least two groups, the pile quantity in every group is one or more, and the heat that burner combustion generates is carried out concentration heating starting to every group of pile by group.Compared with heat is evenly heated each pile simultaneously in existing burner, the quality of every group of pile is decreased obviously, heat needed for heating reduces at double, as long as there is one group of pile to complete to start, then entire solid oxide fuel cell can be powered use, the startup time of SOFC, and SOFC power generations inherently exothermic reaction are highly shortened, the quick heat engine of follow-up pile is further promoted.
Description
Technical field
The present invention relates to solid oxidized fuel cell technical field, more particularly to a kind of solid oxide fuel cell opens
Dynamic method.The invention further relates to a kind of solid oxide fuel cell based on the startup method.
Background technology
Solid oxide fuel cell (English name is Solid Oxide Fuel Cell, abbreviation SOFC), belongs to third
Replacing fuel battery, be it is a kind of will be directly stored under high temperature the chemical energy in fuel and oxidant efficiently, environmentally friendly
It is converted to all solid state chemical generated device of electric energy.
As shown in Figure 1, current general SOFC includes several cores such as heater 1, fuel reformer 2, pile 3, burner 4
Center portion part.Wherein, pile 3 includes anode and cathode, and anode is the place that fuel aoxidizes, and cathode is the field of oxidant reduction
Institute；The effect of fuel reformer 2 is that at high temperature, fuel and vapor react, and generates the H that fuel cell reaction needs2
With CO etc.；Burner 4 is that fuel burns, and CO is generated after reaction2And H2O etc., and heat is released, the heat of releasing is used for
The heating of fuel reformer 2.
The quantity for the pile 3 that one SOPC includes is usually several or even more than ten, and each pile 3 needs to provide combustion respectively
Expect air and fuel that cell reaction needs.Since SOFC belongs to high temperature fuel cell, 3 running temperature of pile is up to 600-
1000 DEG C, thus air and fuel enter pile 3 before be required to heat.Air is heated up in heater 1, into pile
The cathode of each pile.Fuel is then reformed into H at high temperature in fuel reformer 2 by heated reformate, fuel2With CO etc.,
Then enter the anode of each pile 3.The high temperature row that air heating, the required energy of fuel reforming are generated from burner 4
Gas.In cold start-up, pile 3 needs to be heated to 600-1000 DEG C SOFC, and system could work normally, at this time usually in burner
Fuel, fuel catalytic combustion heat release are sprayed into 4, the heat released heats air and fuel, the air after heating and
Fuel then continues to heat pile 3, to step up SOFC pile 3 temperature, until pile 3 is promoted to normal height
Warm reaction temperature.
But main problem existing for SOFC is that start speed excessively slow, it is long to start the time, it usually needs up to several small
When, by creatively the study found that it mainly has following reason：First, SOFC belongs to high-temperature fuel cell, reaction temperature is high
Up to 600-1000 DEG C, and only tens DEG C of environment temperature, the temperature deviation of start-up course are huge；Second is that SOFC generally comprises multiple electricity
Heap 3, each pile are made of up to a hundred battery packs again, and 3 total quality of pile is big, pile material be also thermal capacitance it is larger ceramics and
Metal etc. causes the thermal capacitance of the pile 3 of SOFC very big, and heating rate is very slow.Also the startup of a few hours is up to just because of SOFC
Time leads to a key difficulties of its application, seriously constrains its application in automobile-used field.
In conclusion how to shorten the startup time of SOFC, become those skilled in the art's urgent problem to be solved.
Invention content
In view of this, it is an object of the present invention to provide a kind of startup method of solid oxide fuel cell, with
Shorten the startup time of SOFC.
It is another object of the present invention to provide a kind of solid oxide fuel cell based on the startup method, with contracting
The startup time of short SOFC.
In order to achieve the above objectives, the present invention provides following technical scheme：
A kind of startup method of solid oxide fuel cell, is divided at least two by the pile of solid oxide fuel cell
Group, the pile quantity in every group are one or more, and the heat that burner combustion generates by group concentrates every group of pile
Heating starting.
Preferably, in above-mentioned startup method, the sum of the pile is N number of, and N is the integer more than 1, in every group
Pile quantity is one, after the 1st pile, which carries out heating, reaches start-up temperature, carries out the heating starting of the 2nd pile, according to
It is secondary to analogize, until after the completion of the heating starting of n-th pile, stop the fuel supply in the burner.
Preferably, in above-mentioned startup method, the burner is made using remaining fuel after being reacted in the pile
For the fuel in start-up course.
The present invention also provides a kind of solid oxide fuel cell, including N number of pile, oxidizing gas heater, fuel
Reformer and burner, the heat gas import of the oxidizing gas heater and the heat gas import of the fuel reformer
It is connected to the exhaust outlet of the burner, the N is the integer more than 1；N number of pile is divided at least two groups pile list
Member, the pile quantity in every group of electric pile unit are one or more；The gas vent of the oxidizing gas heater and every group of electricity
The pile cathode of heap unit is connected to by one-to-one oxidizing gas conduit；The fuel outlet of the fuel reformer with every group
The pile anode of electric pile unit is connected to by one-to-one fuel channel；On the oxidizing gas conduit and the fuel channel
It is both provided with control valve；The control on the oxidizing gas conduit and the fuel channel of corresponding every group of electric pile unit is opened by group
Valve processed.
Preferably, in above-mentioned solid oxide fuel cell, the quantity of the pile in electric pile unit described in every group is equal
It it is one, the cathode of each pile passes through the gas of an oxidizing gas conduit and the oxidizing gas heater respectively
Body outlet；The anode of each pile is gone out by the fuel of a fuel channel and the fuel reformer respectively
Mouth connection.
Preferably, in above-mentioned solid oxide fuel cell, tail gas mouth and the combustion of every group of electric pile unit
The air inlet of burner is connected to.
Preferably, in above-mentioned solid oxide fuel cell, the oxic gas that is passed through in the oxidizing gas heater
Body is air or oxygen-containing gas.
Preferably, in above-mentioned solid oxide fuel cell, the fuel being passed through in fuel reformer is natural gas.
Preferably, in above-mentioned solid oxide fuel cell, the fuel in the burner is hydrogen and an oxidation
The mixed gas of carbon.
Preferably, further include controller in above-mentioned solid oxide fuel cell, the controller and the control
Valve connects, and the controller for controlling, open and close successively correspondingly with electric pile unit described in every group by the control valve
It closes.
Compared with prior art, the beneficial effects of the invention are as follows：
In the startup method of solid oxide fuel cell provided by the invention, by the pile of solid oxide fuel cell
It is divided at least two groups, the pile quantity in every group is one or more, and the heat that burner combustion is generated is by group to every group of electricity
Heap carries out concentration heating starting.Compared with heat is evenly heated each pile simultaneously in existing burner, pile is divided into
The quality of at least two groups, every group of pile is decreased obviously, and the required heat that heats up reduces at double, as long as there is one group of pile completion to open
Dynamic, then entire solid oxide fuel cell can be powered use, highly shortened the startup time of SOFC, and
SOFC power generations inherently exothermic reaction, further promotes the quick heat engine of follow-up pile.
Solid oxide fuel cell provided by the invention based on the startup method in the application, by N number of pile be divided into
Lack two groups of electric pile units, the pile quantity in every group of electric pile unit is one or more, the pile cathode point of every group of electric pile unit
It is not connected to the gas vent of oxidizing gas heater by one-to-one oxidizing gas conduit, the pile of every group of electric pile unit
Anode is connected to by one-to-one fuel channel with the fuel outlet of fuel reformer respectively, each oxidizing gas conduit and every
It is both provided with control valve on a fuel channel, opens the oxidizing gas conduit of corresponding every group of electric pile unit and the combustion by group
Control valve on pipe material realizes and concentrates the heat that burner combustion generates to the pile of every group of electric pile unit by group
Heating starting highly shortened the startup time of SOFC.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structure diagram of solid oxide fuel cell in the prior art；
Fig. 2 is a kind of structure diagram of solid oxide fuel cell provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of another solid oxide fuel cell provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of the third solid oxide fuel cell provided in an embodiment of the present invention；
Fig. 5 is a kind of flow diagram of the startup method of solid oxide fuel cell provided in an embodiment of the present invention.
Wherein 1 it is heater, 2 be fuel reformer, 3 be pile, 4 be burner, 5 be oxidizing gas heater, 6 is control
Valve processed, 7 be oxidizing gas conduit, 8 be fuel channel.
Specific implementation mode
Core of the invention shortens the startup of SOFC there is provided a kind of startup method of solid oxide fuel cell
Time.
The present invention also provides a kind of solid oxide fuel cell based on the startup method, shorten the startup of SOFC
Time.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of startup methods of solid oxide fuel cell, hereinafter referred to as start method,
The startup method is：The pile 3 of solid oxide fuel cell is divided at least two groups, 3 quantity of pile in every group is one
It is a or multiple, the heat that the burning of burner 4 generates is subjected to concentration heating starting, i.e. one group of pile 3 first to every group of pile 3 by group
After the completion of carrying out heating starting, then the heating starting of next group of pile 3 is carried out, carries out heating starting successively as unit of group.
With existing by compared with heat is evenly heated the method for all piles 3 simultaneously in burner 4, the startup in the present invention
Pile 3 is divided at least two groups, one group of first heating starting, then other groups of piles 3 of heating starting successively by method, every group of pile 3
Quality is decreased obviously compared to the quality of entire solid oxidized fuel cell, and the heat needed for every group of heating reduces at double, as long as
There is one group of pile 3 first to complete heating starting, then entire solid oxide fuel cell can be powered use, greatly contract
The short startup time of SOFC, and SOFC generates electricity inherently exothermic reaction, when one group of pile 3 first completes startup and works,
Its heat generated further promotes the quick heat engine of follow-up pile 3.
Further, in the present embodiment, the sum of pile 3 is N number of, and N is the integer more than 1, and each pile 3 includes
Cathode and anode, after N number of pile 3 is grouped, 3 quantity of pile in every group is one, i.e., each pile 3 is individual one group.
After the 1st pile 3 of heat pair of burner 4, which carries out heating, reaches start-up temperature, the 1st pile 3 is completed to start, at this point, whole
A SOFC can first be powered use by the 1st pile 3.At the same time, the heat of burner 4 start to the 2nd pile 3 into
Row heating starting, and the heat generated when the 1st work of pile 3 can contribute to the heating starting of the 2nd pile 3, the 2nd electricity
Heap 3 is completed to start, at this point, entire SOFC is powered use by the 1st pile 3 and the 2nd pile 3.At the same time, it burns
The heat of device 4 starts to carry out heating starting, and the heat generated when the 1st pile 3 and the 2nd work of pile 3 to the 3rd pile 3
Amount can contribute to the heating starting of the 3rd pile 3.And so on, until burner 4 heat to n-th pile 3 (i.e. most
The latter) heating starting is carried out, after the completion of n-th pile 3, stop the fuel supply in burner 4.
Since the quality of a pile 3 is minimum mass, the heat that each pile 3 heats up required is minimum, as long as having
One pile 3 first completes heating starting, then entire solid oxide fuel cell can be powered use, i.e., entire SOFC
The time of startup is exactly the time that a pile 3 starts, and it is most short to start the time.
Heated together compared to traditional N number of pile 3, the quality of pile 3 becomes for original 1/N, according to pile plus
Hot formula (1), stack temperature increase needed for heat become for original 1/N, therefore the startup time of a pile 3 become in order to
Original 1/N.For example, if when SOFC has 10 piles, 3,10 3 sequences of pile to be heated, the startup time shorten to original
First 1/10, highly shortened the startup time of pile 3, lay a good foundation in the automobile-used application for waiting fields for SOFC.
Q=cp·m·△T(1)
Wherein, Q is the heat that high-temperature gas is transmitted to pile 3, and m is the quality of pile 3, and △ T are the temperature change of pile 3.
Certainly, every group of 3 quantity of pile can also be two, three, four etc. more, compared to it is existing while pair
Whole piles 3, which carries out being evenly heated startup, to be compared, and is still substantially reduced and is started the time.
Further, in the present embodiment, burner 4 is using remaining fuel after being reacted in pile 3 as start-up course
In fuel.Due to fuel in pile 3 after being reacted, can some remaining fuel, the fuel after these heating can be abundant
It utilizes, the fuel as burner 4 carries out combustion heat release, improves the utilization rate of fuel, the fuel after heating is more advantageous to combustion
The burning of material, improves the thermal efficiency.Certainly, burner 4 can also be burnt using new fuel always, after pile 3 reacts
Remaining fuel stores or is used for other places after collecting.
As shown in Figures 2 and 3, it is based on startup method described in any of the above embodiment, the embodiment of the present invention also provides
A kind of solid oxide fuel cell, hereinafter referred to as SOPC comprising N number of pile 3, oxidizing gas heater 5, fuel reforming
Device 2 and burner 4；Wherein, N is integer more than 1, the heat gas import of oxidizing gas heater 5 and fuel reformer 2
Heat gas import is connected to the exhaust outlet of burner 4；N number of pile 3 divides at least two groups electric pile unit, every group of electric pile unit
In 3 quantity of pile be one or more, and 3 quantity of pile of multigroup electric pile unit may be the same or different；Oxic gas
The gas vent of body heater 5 is connected to the pile cathode of every group of electric pile unit by one-to-one oxidizing gas conduit 7, i.e.,
The cathode of each pile 3 is connected to by an oxidizing gas conduit 7 with the gas vent of oxidizing gas heater 5；Fuel weight
The fuel outlet of whole device 2 is connected to the pile anode of every group of electric pile unit by one-to-one fuel channel 8, i.e., each pile
3 anode is connected to by a fuel channel 8 with the fuel outlet of fuel reformer 2；Oxidizing gas conduit 7 and fuel channel
Control valve 6 is both provided on 8, as shown in Fig. 2, being respectively provided with control on each oxidizing gas conduit 7 and each fuel channel 8
Valve 6 processed controls the corresponding all oxidizing gas conduits of this group of electric pile unit then when carrying out the heating starting of every group of electric pile unit
7 opening and closing synchronous with the control valve 6 on all fuel channels 8, and the oxidizing gas pipe being connected to same group of electric pile unit
Road 7 is consistent with the closed state of control valve 6 on fuel channel 8；Or as shown in figure 3, every group of electric pile unit shared oxygen
Change on gas pipeline 7 and control valve 6 is respectively set on shared fuel channel 8, it is corresponding total by controlling every group of electric pile unit
Control valve 6 on oxidizing gas conduit 7 and shared fuel channel 8 can realize all pipelines of this group of electric pile unit
Break-make；The control valve 6 on the oxidizing gas conduit 7 and fuel channel 8 of corresponding every group of electric pile unit is opened by group.
The solid oxide fuel cell is in the startup method with reference to above example, and the course of work is as shown in figure 5, open
When dynamic SOPC, fuel is sprayed into burner 4, fuel burns in burner 4 releases heat, and heat is heated by oxidizing gas
In device 5 and fuel reformer 2, the oxidizing gas in oxidizing gas heater 5 is heated, at the same time, to fuel reforming
Fuel in device 2 is heated；At this point, opening on the oxidizing gas conduit 7 and fuel channel 8 of corresponding 1st group of electric pile unit
Control valve 6, the oxidizing gas after heating enter the pile cathode of the 1st group of electric pile unit by the oxidizing gas conduit 7 after unlatching
In, the fuel after heating is entered by the fuel channel 8 after unlatching in the pile anode of the 1st group of electric pile unit, is reacted, with
This simultaneously, the 1st group of electric pile unit of the oxidizing gas and fuel pair of heating carries out heating starting, when the outlet of the 1st group of electric pile unit
When temperature reaches start-up temperature, the startup of the 1st group of electric pile unit is completed, at this point, the electricity that entire SOPC passes through the 1st group of electric pile unit
Heap 3 is powered use.Later, the control on the oxidizing gas conduit 7 and fuel channel 8 of corresponding 2nd group of electric pile unit is opened
Valve 6, the oxidizing gas after heating are entered in the pile cathode of the 2nd group of electric pile unit by the oxidizing gas conduit 7 after unlatching, are added
Fuel after heat is entered by the fuel channel 8 after unlatching in the pile anode of the 2nd group of electric pile unit, is reacted, same with this
When, the 2nd group of electric pile unit of oxidizing gas and fuel pair of heating carries out heating starting, when the outlet temperature of the 2nd group of electric pile unit
When reaching start-up temperature, the startup of the 2nd group of electric pile unit is completed.And so on, until opening corresponding last group of electric pile unit
Oxidizing gas conduit 7 and fuel channel 8 on control valve 6, the oxidizing gas after heating passes through the oxidizing gas pipe after unlatching
Road 7 enters in the pile cathode of last group of electric pile unit, and the fuel after heating is entered last by the fuel channel 8 after unlatching
It in the pile anode of one group of electric pile unit, is reacted, at the same time, the oxidizing gas and fuel of heating are to last group of pile
Unit carries out heating starting and completes last group of pile when the outlet temperature of last group of electric pile unit reaches start-up temperature
The startup of unit stops spraying into fuel into fuel device 4 at this point, completing the startup of entire SOPC.
The startup of the SOPC is by heating starting pile in batches, one group of first heating starting, then heating starting is other successively
Group electric pile unit, the quality of every group of electric pile unit are decreased obviously compared to the quality of entire solid oxidized fuel cell, every group of electricity
Heat needed for the heating of heap unit reduces at double, as long as there is one group of electric pile unit first to complete heating starting, then entire solid oxidation
Object fuel cell can be powered use, highly shortened the startup time of SOFC, and SOFC power generations are inherently put
Thermal response, when one group of electric pile unit first is completed to start and work, the heat generated further promotes the fast of follow-up pile
Speed heat machine.
Further, in the present embodiment, the quantity of the pile 3 in every group of electric pile unit is one, each pile 3
Cathode is connected to by an oxidizing gas conduit 7 with the gas vent of oxidizing gas heater 4 respectively；The anode of each pile 3
It is connected to respectively with the fuel outlet of fuel reformer 2 by a fuel channel 8.Since the quality of a pile is minimum matter
Amount, therefore, the heat needed for the heating of each pile are minimum, as long as first completing heating starting there are one pile 3, then entire solid oxygen
Compound fuel cell can be powered use, i.e., the time that entire SOFC starts is exactly the time that a pile 3 starts, and is opened
The dynamic time is most short.
Certainly, 3 quantity of pile of every group of electric pile unit can also be two, three, four etc. more, compared to existing
While whole piles 3 carried out being evenly heated startup compare, still substantially reduce and start the time.
As shown in figure 3, SOPC is advanced optimized, in the present embodiment, tail gas mouth and the burner 4 of every group of electric pile unit
Air inlet connection, that is, participating in the fuel that pile 3 reacts has a residue, and the tail gas mouth that remaining fuel passes through electric pile unit is discharged
Afterwards, into the combustion heat release of participation burner 4 in burner 4.Burner 4 using in pile 3 react after remaining fuel as
Fuel in start-up course, improves the utilization rate of fuel, and remaining fuel due to temperature after heating it is higher, be more advantageous to combustion
The burning of material, improves the thermal efficiency.Certainly, burner 4 can also be burnt using new fuel always, after pile 3 reacts
Remaining fuel stores or is used for other places after collecting.
As an optimization, in the present embodiment, the oxidizing gas being passed through in oxidizing gas heater 5 is air or oxygenous
Body.Oxygen is all had in air and oxygen-containing gas, the cathode of pile 3 is entered after heating, participates in reduction reaction.Oxidizing gas optimizes
It is at low cost using air, it produces conveniently.Certainly, oxidizing gas can also be other mixed gas containing oxygen such as pure oxygen.
As an optimization, in the present embodiment, the fuel being passed through in fuel reformer 2 is that natural gas, natural gas and water are firing
Expect to generate hydrogen and carbon monoxide in reformer 2 after heated reformate, purity is higher, and the anode of pile 3 is passed through after heating, participates in oxygen
Change reaction.Certainly, the fuel being passed through in fuel reformer 2, which can also be pure methane gas etc., can resolve into hydrogen and an oxidation
The substance of carbon, only natural gas produce conveniently, cost is relatively low relative to other fuel, clean energy.
In the present embodiment, the fuel in burner 4 is the mixed gas of hydrogen and carbon monoxide, so set, burning
The remaining fuel mixing after being reacted with follow-up pile 3 of fuel in device 4, participates in burning, ultimately forms water and dioxy together
Change carbon, does not generate pollution to environment.Certainly, the fuel in burner 4 may be natural gas, coal gas, gasoline, diesel oil etc., only
It wants to burn and releases heat.
Further, in the present embodiment, solid oxide fuel cell further includes controller, controller and control valve 6
Connection, controller are opened and closed for controlling with the one-to-one control valve of every group of electric pile unit 6 successively, realization control valve 6
Automatic sequence open and close.It is of course also possible to can also be real by artificially controlling the opening and closing of corresponding control valve 6
The manual sequence of existing control valve 6 opens and closes.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of startup method of solid oxide fuel cell, which is characterized in that by the pile of solid oxide fuel cell
(3) it is divided at least two groups, the quantity of the pile (3) in every group is one or more, the heat that burner (4) burning is generated
Amount carries out concentration heating starting to pile (3) described in every group by group.
2. startup method according to claim 1, which is characterized in that the sum of the pile (3) is N number of, and N is more than 1
Integer, the pile (3) quantity in every group is one, after the 1st pile, which carries out heating, reaches start-up temperature, is carried out
The heating starting of 2nd pile, and so on, until after the completion of the heating starting of n-th pile, stop the burner (4)
In fuel supply.
3. startup method according to claim 1, which is characterized in that the burner (4) utilizes anti-in the pile (3)
Remaining fuel is as the fuel in start-up course after answering.
4. a kind of solid oxide fuel cell, including N number of pile (3), oxidizing gas heater (5), fuel reformer (2) and
Burner (4), the heat gas import of the oxidizing gas heater (5) and the heat gas of the fuel reformer (2) into
Mouth is connected to the exhaust outlet of the burner (4), and the N is the integer more than 1；It is characterized in that, N number of pile (3)
It is divided at least two groups electric pile unit, the quantity of the pile (3) in every group of electric pile unit is one or more；The oxidizing gas adds
The gas vent of hot device (5) is connected to the pile cathode of every group of electric pile unit by one-to-one oxidizing gas conduit (7)；Institute
The fuel outlet for stating fuel reformer (2) and the pile anode of every group of electric pile unit are connected by one-to-one fuel channel (8)
It is logical；It is both provided with control valve (6) on the oxidizing gas conduit (7) and the fuel channel (8)；Corresponding every group of electricity is opened by group
The control valve (6) on the oxidizing gas conduit (7) and the fuel channel (8) of heap unit.
5. solid oxide fuel cell according to claim 4, which is characterized in that the electricity in electric pile unit described in every group
The quantity of heap (3) is one, and the cathode of each pile (3) passes through an oxidizing gas conduit (7) and institute respectively
State the gas vent connection of oxidizing gas heater (5)；The anode of each pile (3) passes through a cartridge respectively
Road (8) is connected to the fuel outlet of the fuel reformer (2).
6. solid oxide fuel cell according to claim 4 or 5, which is characterized in that every group of electric pile unit
Tail gas mouth is connected to the air inlet of the burner (4).
7. solid oxide fuel cell according to claim 4 or 5, which is characterized in that be passed through the oxidizing gas and add
Oxidizing gas in hot device (5) is air or oxygen-containing gas.
8. solid oxide fuel cell according to claim 4 or 5, which is characterized in that be passed through the fuel reformer
(2) fuel in is natural gas.
9. solid oxide fuel cell according to claim 4 or 5, which is characterized in that the combustion in the burner (4)
Material is the mixed gas of hydrogen and carbon monoxide.
10. solid oxide fuel cell according to claim 4 or 5, which is characterized in that further include controller, it is described
Controller is connect with the control valve (6), and the controller is described correspondingly with electric pile unit described in every group for controlling
Control valve (6) opens and closes successively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810469301.7A CN108539225A (en) | 2018-05-16 | 2018-05-16 | The startup method and solid oxide fuel cell of solid oxide fuel cell |
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| CN201810469301.7A CN108539225A (en) | 2018-05-16 | 2018-05-16 | The startup method and solid oxide fuel cell of solid oxide fuel cell |
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| CN108539225A true CN108539225A (en) | 2018-09-14 |
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| CN201810469301.7A Pending CN108539225A (en) | 2018-05-16 | 2018-05-16 | The startup method and solid oxide fuel cell of solid oxide fuel cell |
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| CN111422075A (en) * | 2019-01-09 | 2020-07-17 | 上海汽车集团股份有限公司 | Vehicle power supply method, device and system |
| CN111952639A (en) * | 2020-08-21 | 2020-11-17 | 清华大学 | Quick start high-temperature fuel cell and control method |
| CN113921856A (en) * | 2021-10-15 | 2022-01-11 | 西南石油大学 | Solid oxide fuel cell external thermal management system and method based on phase change material |
| CN117374358A (en) * | 2023-09-26 | 2024-01-09 | 广东佛燃科技有限公司 | Solid oxide fuel cell power generation system operated by double cell stacks |
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| CN111422075A (en) * | 2019-01-09 | 2020-07-17 | 上海汽车集团股份有限公司 | Vehicle power supply method, device and system |
| CN111952639A (en) * | 2020-08-21 | 2020-11-17 | 清华大学 | Quick start high-temperature fuel cell and control method |
| CN111952639B (en) * | 2020-08-21 | 2021-12-14 | 清华大学 | Quick start high-temperature fuel cell and control method |
| CN113921856A (en) * | 2021-10-15 | 2022-01-11 | 西南石油大学 | Solid oxide fuel cell external thermal management system and method based on phase change material |
| CN117374358A (en) * | 2023-09-26 | 2024-01-09 | 广东佛燃科技有限公司 | Solid oxide fuel cell power generation system operated by double cell stacks |
| CN117374358B (en) * | 2023-09-26 | 2024-05-31 | 广东佛燃科技有限公司 | Solid oxide fuel cell power generation system operated by double cell stacks |
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Application publication date: 20180914 |