CN106602119A - Self-tightening outer flow cavity solid oxide fuel cell stack - Google Patents
Self-tightening outer flow cavity solid oxide fuel cell stack Download PDFInfo
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- CN106602119A CN106602119A CN201611256611.8A CN201611256611A CN106602119A CN 106602119 A CN106602119 A CN 106602119A CN 201611256611 A CN201611256611 A CN 201611256611A CN 106602119 A CN106602119 A CN 106602119A
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- air flow
- pile
- flow chamber
- expansion
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of 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
- H01M8/02—Details
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a self-tightening outer flow cavity solid oxide fuel cell stack, which comprises an upper support plate, a lower support plate, a stack core, air cavities with clamping grooves, air cavity fastening devices and a sealing material among components, wherein the stack core is formed by alternately stacking metal connectors and fuel cells; a heat-resistant alloy of which the coefficient of thermal expansion (CTE) is slightly lower than that of an air cavity material of the stack is adopted by the air cavity fastening devices; and translation slip of the air cavities can be prevented by the clamping groove design. With the increase of the temperature, the junction state of the air cavities and the stack core is gradually close under the acting force of the fastening devices due to the difference between different materials in the coefficient of thermal expansion, and the sealing state between the air cavities and the stack core is gradually improved and strengthened. The self-tightening outer flow cavity solid oxide fuel cell stack is simple in structure, and the sealing state of the solid oxide fuel cell stack during high-temperature operation can be predicted through sealing detection at a room temperature, so that the reliability of a sealing structure of the outer flow cavity stack in an actual work condition is improved.
Description
Technical field
The invention belongs to new energy field, more particularly, to a kind of self-tightening type outflow chamber SOFC
Pile.
Background technology
SOFC (SOFC) due to its cleaning, efficient energy conversion efficiency advantage, in recent years always
It is material, energy field study hotspot.At present, the research about SOFC concentrates in a large number electrode, metallic interconnection materials research and development, and wants
Push SOFC to commercializations, it is a stage being subjected to that multiple single battery groups dress up high-power pile, and pile will obtain excellent
Benign energy, it is envisaged that the premium properties of the compatibility rather than homogenous material between each building block.
At present, SOFC operating temperatures are concentrated mainly on middle low temperature, and pile mainly adopts plate armature.Plate armature root
Can be divided into interior stream chamber and outflow chamber again into the cavity body structure difference of pile according to gas.Air flow chamber and pile heap in interior stream cavity configuration
Core constitutes an entirety, replaces stacking by metal connector and encapsulant and forms, and pressure at right angle directly affects its sealing property.
Outflow chamber is combined by encapsulant by exterior chamber with pile reactor core to be constituted, and is now needed horizontal active force and is realized air-flow
Chamber seals.As the Y of Chinese patent CN 201402834 provide a kind of exterior air drain pile design, air flow chamber is bolted, its position
Keep certain, raise with temperature, organic matter volatilization, air flow chamber has the possibility for departing from pile reactor core, causes pile lateral
Seal failure.Although it is contemplated that the high-temperature shrinkage of encapsulant when Chinese patent CN 102723507 A are designed, but due to its heap
Core is pressurizeed by bolt, and upper and lower support plate itself is in unstable position, it is impossible to provide stable support for air flow chamber fastening bolt, and
Complex structure, difficulty of processing is big, and pile is bulky, causes volumetric power density relatively low.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of self-tightening type outflow chamber solid oxidation
Thing fuel cell pile, its object is to by arranging air flow chamber fastener, and using fastener and air flow chamber alloy material
The difference of material thermal coefficient of expansion, fastener constantly increases the fastening force of air flow chamber when making pile hot operation, and air flow chamber exists
Under the active force of fastener with pile reactor core bonding state gradually closely, the sealing state between air flow chamber and reactor core is gradually obtained
To improving and strengthening, electric pile structure complexity in prior art is thus solved, air flow chamber is easy to depart from pile reactor core, elevated-temperature seal
The low technical problem of reliability.
For achieving the above object, according to one aspect of the present invention, there is provided a kind of self-tightening type outflow chamber soild oxide
Fuel cell pile, the battery pile includes from top to bottom：Upper backup pad, pile reactor core, lower supporting plate, the battery pile
Also include being located at four air flow chambers of the pile reactor core surrounding and the fastener positioned at four air flow chambers periphery；
The upper backup pad and the lower supporting plate provide overall structure and support for battery pile；The bottom of the lower supporting plate
Portion is machined with a circle raised platforms, for the placement datum level of the air flow chamber, prevents the air flow chamber from sliding up and down；
The pile reactor core replaces stacking and forms by monocell and metal connector；The pile reactor core is cuboid knot
Structure；
Four air flow chambers are respectively two fuel gas flow chambers and two oxic gas air flow chambers；Four air-flows
Chamber is connected as an entirety with the pile reactor core by encapsulant, for the buffering that fuel gas and oxidizing gas are passed in and out；
The fastener is used for the fastening of the air flow chamber, prevents the air flow chamber level from sliding, the fastener
Using alloy material thermal coefficient of expansion less than the air flow chamber adopt alloy material thermal coefficient of expansion, the difference of both
Absolute value not less than the fastener adopt alloy material thermal coefficient of expansion 20%.
Preferably, the ceramic material that the upper backup pad, lower supporting plate, metal connector and monocell are adopted has identical
Or close thermal coefficient of expansion, the absolute value of the difference of thermal coefficient of expansion arbitrarily between the two is not more than less thermal coefficient of expansion
8%.
Preferably, the alloy material that the air flow chamber is adopted is for 310 stainless steels.
Preferably, the fastener is the square frame being made up of a pair of depression bars and a pair of fastening bolts, described tight
Fixing bolt includes screw rod and nut, and the depression bar two ends arrange two holes, pass through for the screw rod, then solid by the nut
It is fixed.
Preferably, the thermal coefficient of expansion of the alloy material that the screw rod is adopted is less than the alloy material that the air flow chamber is adopted
Thermal coefficient of expansion, the absolute value of its difference between the two is not less than the thermal coefficient of expansion of the alloy material that the screw rod is adopted
20%.
Preferably, the screw rod adopts 431,434 or 436 stainless steels.
Preferably, the air flow chamber outside is provided with paired draw-in groove, for the embedded of the fastener, the depression bar
It is raised that inner side is provided with the buckle mutually agreed with the draw-in groove.
Preferably, the battery pile is provided with from top to bottom four sets of fasteners.
Preferably, the stress distribution when position of the draw-in groove on the outside of the air flow chamber works according to pile is determining.
Preferably, encapsulant is provided between the metal connector and the monocell, is realized by external pressure
The interfacial seal of the metal connector and the monocell.
Preferably, the tightness of the fastening bolt is adjusted by digital torque force spanner, it is ensured that the fastening force of each bolt
It is identical.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect.
(1) outflow chamber SOFC pile of the invention is using air flow chamber alloy material and outside fastening
The thermal expansion system of the difference of the alloy material thermal coefficient of expansion (CTE) of device, i.e. fastener thermal coefficient of expansion less than air flow chamber
Number, so as in pile hot operation, as temperature is raised, fastener constantly increases the fastening force of air flow chamber, air flow chamber
Under the active force of fastener with pile reactor core bonding state gradually closely, the sealing state between air flow chamber and reactor core is gradually
Improved and strengthened, reached the effect of reinforcing compression encapsulant, as a kind of self-tightening type outflow chamber soild oxide combustion
Material battery pile；
(2) using self-tightening type this feature of present invention outflow chamber SOFC pile, can by
Sealing detection under normal temperature predicts sealing state during SOFC pile hot operation, so as to improve outflow
The reliability of chamber pile sealing structure under actual working state；
(3) draw-in groove is provided with air flow chamber of the present invention, is mutually agreed with the raised buckle on fastener, prevent fastener
Level is slided up and down, and designs ingenious, and fastening effect is good；
(4) fastener of the invention, it is ensured that air flow chamber is combined closely with pile reactor core, prevents interface between the two
Seal failure, so as to cause gas to leak；
(5) present invention improves the reliability that the sealing of SOFC piles air flow chamber is designed in outflow chamber by simple structure design
Property, the assembly technology of pile is further simplify, reduce the volume of pile.
Description of the drawings
Fig. 1 is the inside and outside overall structure figure before the battery pile fastening of embodiments of the invention 1；
Fig. 2 is the cellular construction figure of the pile reactor core of the present invention；
Fig. 3 is the pile fastener schematic diagram of the present invention；
Fig. 4 is the pile schematic appearance after the fastening of embodiments of the invention 1.
In all of the figs, identical reference be used for represent identical element or structure, wherein：
1- upper backup pads；2- pile reactor cores；3- oxic gas air flow chambers；4- air flow chambers are sealed；5- lower supporting plates；6- fuel gas
Air flow chamber；7- metal connectors；8- negative electrodes are sealed；9- monocells；10- anode seals；11- depression bars；12- screw rods；13- nuts.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each embodiment
Not constituting conflict each other just can be mutually combined.
The self-tightening type outflow chamber SOFC pile that the present invention is provided includes from top to bottom：Upper backup pad,
Pile reactor core, lower supporting plate, the also fastener of four air flow chambers including pile reactor core surrounding and four air flow chamber peripheries.
Pile reactor core replaces stacking and forms by monocell and metal connector；There is glass between monocell and metal connector
Ceramic material realizes the interfacial seal of metal connector and monocell, metal connector as encapsulant by external pressure
There is gas channel between monocell, respectively fuel gas gas channel and oxic gas are realized by negative electrode sealing and anode seal
The sealing and isolation of gas channel, and fuel gas is to intersect flow direction with oxic gas.
Upper backup pad and lower supporting plate have certain thickness and intensity, connect with gas conduit, connection monocell or metal
Junctor, provides overall structure and supports for pile.The bottom of lower supporting plate is machined with a circle raised platforms, for the placement of air flow chamber
Datum level, prevents air flow chamber from sliding up and down.
Air flow chamber has four, two fuel gas flow chambers and two oxic gas air flow chambers；Two fuel gas flows
Chamber is respectively a fuel gas inlet air flow chamber and a fuel gas goes out air flow chamber, and two oxic gas air flow chambers are respectively an oxidation
Gas inlet air flow chamber and an oxic gas go out air flow chamber；Pile reactor core is rectangular structure, and four air flow chambers are respectively arranged at pile
On four sides of reactor core cuboid, the air flow chamber is connected as an entirety with the pile reactor core by encapsulant, uses
In the buffering that fuel gas and oxidizing gas are passed in and out.Reserved area punches to connect outside steam line in air flow chamber.
Fastener is fixed on battery pile periphery/periphery, and it is relative two-by-two by a pair of depression bars and a pair of fastening bolts
The square frame of composition, fastening bolt includes screw rod and nut, and the depression bar two ends arrange two holes, pass through for screw rod, so
Fixed by nut afterwards.Bolt tightness is adjusted by digital torque force spanner, it is ensured that the fastening force of each bolt is identical.
Each air flow chamber outside, i.e., close with fastener side is provided with paired draw-in groove, for fastener
Being embedded in for middle depression bar, is provided with the buckle projection mutually agreed with the draw-in groove on the outside of air flow chamber on the inside of depression bar, prevent fastener water
Put down or slide up and down, the stress distribution during position foundation pile high temperature of the draw-in groove on the outside of air flow chamber, by computer simulation
Calculate and determine.Groove position per a pair on the outside of relative air flow chamber is identical, and the card in the air flow chamber adjacent per a pair
Groove location is then differed, and is staggered up and down, is easy to be installed side by side on multiple fastener vertical directions.
In assembling process, first encapsulant is affixed on into air flow chamber one side, then air flow chamber is placed in into design attitude, finally will
Fastener snaps in air flow chamber draw-in groove, and all bolts are fastened to into same degree by digital torque force spanner.
Each pile can arrange many set fasteners, and preferably even number covers fastener, be easy to overall to battery pile tight
Gu effects equalizer, the particular number of fastener can be selected according to the size of outflow chamber solid oxide cell pile and needs
And determination.
Fastener (including bolt, nut and depression bar) is processed by the alloy material with elevated temperature strength, main to use
In the fastening of air flow chamber, prevent the air flow chamber level from sliding, according to the fastener and the heat of the alloy material of air flow chamber
Expansion coefficient difference, under the conditions of high-temperature operation, make the air flow chamber in the presence of the fastener with the pile heap
Core is tightly combined automatically.
Upper backup pad, lower supporting plate, metal connector are adopted has same or like thermal expansion system with cell material
Several alloy material, it is preferably to adopt stainless steel alloy material, the arbitrarily thermal coefficient of expansion of both its alloy materials for adopting
The absolute value of difference is not more than the 8% of less thermal coefficient of expansion.
Air flow chamber is needed from the material with higher elevated temperature strength, and its thermal coefficient of expansion should be greater than fastener,
Air flow chamber preferably adopts 310 steel.Fastener is mainly the thermal coefficient of expansion and air flow chamber alloy of the alloy material of screw rod employing
Not less than the 20% of fastener thermal coefficient of expansion, screw rod preferably selects intensity to the absolute value of the difference of the thermal coefficient of expansion of material
High high temperature low bulk stainless steel, preferably 431 stainless steels, or 434 or 436 stainless steels
The general Ceramics material of monocell, thermal coefficient of expansion is 10～11 × 10-6K-1；Metal connector, lower supporting plate
And upper backup pad selects 430 stainless steels, thermal coefficient of expansion is 12 × 10-6K-1；The thermal expansion of metal connector and cell material
Coefficient difference should optimally be less than 8%.
Air flow chamber will be born at high temperature from the larger pressure of fastener, so should possess higher elevated temperature strength,
It is preferred that selecting 310 stainless steels, its thermal coefficient of expansion is 17～18 × 10-6K-1。
Depression bar, screw rod and nut select high temperature low-expansion steel, preferably 431 stainless steels, and its thermal coefficient of expansion is 11 × 10-6, or 434 or 436 stainless steels；
It is glass-ceramic seal materials between air flow chamber and pile reactor core, this material has certain deformability, can be with
Sustained release stress between the two, therefore thermal expansion coefficient difference between the two is not specially required.
Because the thermal coefficient of expansion of battery pile air flow chamber alloy material is higher than the thermal coefficient of expansion of outside fastener,
Raise with temperature, fastener constantly increases the fastening force of air flow chamber, reach the effect of reinforcing compression encapsulant, as
Self-tightening type outflow chamber SOFC pile of the present invention.
The self-tightening type outflow chamber SOFC pile of the present invention using outflow chamber self structure advantage and
Feature, it is with reference to the unique design of fastener and the depression bar buckle of outflow chamber draw-in groove and fastener is raised agrees with and special
Xuan Ze not have the alloy material of different heat expansion coefficient, creatively obtain the self-tightening type outflow chamber solid oxidation of the present invention
Thing fuel cell pile, solve the air flow chamber that prior art is present for a long time be easy to depart from pile reactor core, elevated-temperature seal
The low technical problem of reliability.
It is below embodiment：
As shown in Figure 1, Figure 2 and Figure 3, it is flat solid according to the self-tightening type outflow chamber of a preferred embodiment of the present invention
Oxide body fuel cell pile exploded view.
Fig. 1 is the self-tightening type outflow chamber SOFC pile of the preferred embodiment, mainly includes：Upper support
Plate 1, pile reactor core 2, the sealing 4, lower supporting plate 5 of oxic gas air flow chamber 3, air flow chamber, fuel gas air flow chamber 6.
Fig. 2 is reactor core cellular construction figure, including：The sealing 8, monocell 9 of metal connector 7, negative electrode, anode seal 10.
Fig. 3 is fastener, including：Depression bar 11, screw rod 12, nut 13.
The planar dimension of upper backup pad 1 with pile reactor core 2 size, with certain thickness, material is connected 7 bodies with metal and uses
Same alloy material, the lower surface of upper backup pad 1 has gas distributor.Lower supporting plate 2 provides bottom and supports for whole pile, therefore
Total has certain thickness, and the bottom for also having gas distributor, lower supporting plate 2 near the side of pile reactor core 2 is machined with
One circle raised platforms, for the placement datum level of air flow chamber, prevent air flow chamber from sliding up and down.
Pile reactor core 2 replaces stacking and forms by monocell 9 and metal connector 7, negative electrode sealing 8 and anode seal 10 it is close
Closure material is glass ceramic material, battery the two poles of the earth air-flow to intersect flow direction, have between metal connector 7 and monocell 9 one layer it is soft
The interracial contact material of property.Fuel gas air flow chamber and oxic gas air flow chamber have two sets of entry/exit gas, do not consider gas delivery conduit
Position, air flow chamber facing each other is identical.
Each air flow chamber outside, i.e., close with air flow chamber fastener side is all machined with upper and lower two pairs of cards
Groove, in fastener depression bar it is embedded, it is raised that depression bar inner side is provided with the buckle mutually agreed with the draw-in groove on the outside of air flow chamber,
Two pairs of groove positions per a pair on the outside of relative air flow chamber are identical, and two pairs of draw-in grooves in the air flow chamber adjacent per a pair
Position then differs, and staggers up and down, and two pairs of draw-in grooves per a pair in relative air flow chamber supply two sets of air flow chamber fasteners
Embedded, each battery pile is provided with 4 sets of fasteners altogether.
The particular location of the draw-in groove being embedded in for fastener in air flow chamber is distributed with reference to computer simulation pile high temperature stress,
And with reference to specific result of the test determining.
Air flow chamber sealing 4 is glass-ceramic seal materials, and size reserves flue with air flow chamber inner frame, in air flow chamber
Road soldering opening.
Symmetrical two holes in the both sides of depression bar 11, pass through for screw rod 12, the symmetrical two raised buckles in the inner side of depression bar 11,
Can be embedded in the draw-in groove of air flow chamber, prevent relative between depression bar 11 and air flow chamber slip.
Upper backup pad 1, lower supporting plate 5 and metal connector 7 adopt 430 stainless steels, and its thermal coefficient of expansion is 12 × 10- 6K-1, monocell 9 adopts ceramic material, and its thermal coefficient of expansion is 10～11 × 10-6K-1, depression bar, screw rod and nut select 431 not
Rust steel, 431 thermal expansion coefficient of stainless steel are 11 × 10-6K-1；Air flow chamber uses 310 stainless steels, and its thermal coefficient of expansion is 17
～18 × 10-6K-1。
When pile works, with the rising of temperature, the gripper shoe of pile, air flow chamber, metal connector, monocell and tight
It is fixedly mounted with and puts equal expanded by heating, and the depression bar, screw rod and nut due to fastener selects 431 stainless steels, its thermal coefficient of expansion (11
×10-6K-1) far below 310 stainless thermal coefficient of expansions (17～18 × 10 of air flow chamber-6K-1), therefore fastener is to gas
The fastening effect in stream chamber gradually increases, and reaches the effect that self-tightening strengthens compression encapsulant.
Fig. 4 is the pile schematic appearance (not including outer gas tube) after installation.
Will be detailed below a kind of dress according to the self-tightening type outflow chamber SOFC pile of the present invention
Method of completing the square.
Sealing casting belt is laid in advance lower supporting plate 5, metal connector 7, upper backup pad 1 and air flow chamber and seals on 4 regions.
Lower supporting plate 5 is placed on pile mounting plate, monocell 9 and metal connector 7 is vertically laid successively, pile
Vertical direction has the conduit guiding of mounting plate, and last a piece of monocell 9 upper backup pad 1 installed above, pile reactor core 2 is installed
Into.
After the installation of pile reactor core 2, pressurizeed to upper backup pad 1 with cylinder, then by four air flow chamber exact placements in
In the raised platforms of lower supporting plate 5, finally to lower and upper installation fastener, screw rod 12 is fastened to into one with digital torque wrench
Determine degree, assembling completes to obtain the complete galvanic pile module of Fig. 4.
The position of above structure and undeclared turnover feed channel, pile volume is different, and the position of air flue also will accordingly change
So that pile obtains optimum gas flowfield distribution.This is not the emphasis of the present invention, therefore here is saved.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not to
The present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. are limited, all should be included
Within protection scope of the present invention.
Claims (10)
1. a kind of self-tightening type outflows chamber SOFC pile, it is characterised in that the battery pile is from top to bottom
Including：Upper backup pad, pile reactor core, lower supporting plate, the battery pile also includes being located at four of the pile reactor core surrounding
Air flow chamber and the fastener positioned at four air flow chambers periphery；
The upper backup pad and the lower supporting plate provide overall structure and support for battery pile；The bottom of the lower supporting plate adds
Work has a circle raised platforms, for the placement datum level of the air flow chamber, prevents the air flow chamber from sliding up and down；
The pile reactor core replaces stacking and forms by monocell and metal connector；The pile reactor core is rectangular structure；
Four air flow chambers are respectively two fuel gas flow chambers and two oxic gas air flow chambers；Four air flow chambers with
The pile reactor core is connected as an entirety by encapsulant, for the buffering that fuel gas and oxidizing gas are passed in and out；
The fastener is used for the fastening of the air flow chamber, prevents the air flow chamber level from sliding, and the fastener is adopted
Alloy material thermal coefficient of expansion less than the air flow chamber adopt alloy material thermal coefficient of expansion, the difference of both it is exhausted
To value not less than the 20% of the thermal coefficient of expansion of the alloy material that the fastener is adopted.
2. battery pile as claimed in claim 1, it is characterised in that the upper backup pad, lower supporting plate, metal connector and
The alloy material that monocell is adopted has same or like thermal coefficient of expansion, the difference of thermal coefficient of expansion arbitrarily between the two
Absolute value is not more than the 8% of less thermal coefficient of expansion.
3. battery pile as claimed in claim 1, it is characterised in that the alloy material that the air flow chamber is adopted is stainless for 310
Steel.
4. battery pile as claimed in claim 1, it is characterised in that the fastener is by a pair of depression bars and a pair of fastenings
The square frame of bolt composition, the fastening bolt includes screw rod and nut, and the depression bar two ends arrange two holes, for described
Screw rod is passed through, and is then fixed by the nut.
5. battery pile as claimed in claim 4, it is characterised in that the thermal coefficient of expansion of the alloy material that the screw rod is adopted
The thermal coefficient of expansion of the alloy material adopted less than the air flow chamber, the absolute value of its difference between the two is adopted not less than the screw rod
Alloy material thermal coefficient of expansion 20%, the screw rod preferably adopt 431,434 or 436 stainless steels.
6. battery pile as claimed in claim 4, it is characterised in that the air flow chamber outside is provided with paired draw-in groove, uses
In the embedded of the fastener, it is raised that the depression bar inner side is provided with the buckle mutually agreed with the draw-in groove.
7. battery pile as claimed in claim 1, it is characterised in that the battery pile is provided with from top to bottom four sets of fastenings
Device.
8. battery pile as claimed in claim 6, it is characterised in that the position of the draw-in groove on the outside of the air flow chamber is according to pile
Stress distribution during work is determining.
9. battery pile as claimed in claim 1, it is characterised in that arrange between the metal connector and the monocell
There is encapsulant, the interfacial seal of the metal connector and the monocell is realized by external pressure.
10. battery pile as claimed in claim 4, it is characterised in that the tightness of the fastening bolt is by digital torque force
Spanner is adjusted, it is ensured that the fastening force of each bolt is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611256611.8A CN106602119B (en) | 2016-12-30 | 2016-12-30 | A kind of self-tightening type outflow chamber solid oxide fuel cell pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611256611.8A CN106602119B (en) | 2016-12-30 | 2016-12-30 | A kind of self-tightening type outflow chamber solid oxide fuel cell pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602119A true CN106602119A (en) | 2017-04-26 |
| CN106602119B CN106602119B (en) | 2019-05-21 |
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| CN201611256611.8A Expired - Fee Related CN106602119B (en) | 2016-12-30 | 2016-12-30 | A kind of self-tightening type outflow chamber solid oxide fuel cell pile |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167084A (en) * | 2018-09-06 | 2019-01-08 | 常州联德电子有限公司 | A kind of solid oxide fuel cell metal connector and its quick molding method |
| CN109411799A (en) * | 2018-12-11 | 2019-03-01 | 广东索特能源科技有限公司 | A kind of pile sealing device and the method that pile is sealed |
| CN111403787A (en) * | 2020-03-30 | 2020-07-10 | 东风汽车集团有限公司 | Holding tool device for automatic stacking of fuel cell stack |
| CN112117478A (en) * | 2020-06-19 | 2020-12-22 | 浙江氢邦科技有限公司 | Pressure connection assembly, pressure device, self-pressurizing cell stack and cell stack self-pressurizing method |
| CN114256478A (en) * | 2020-09-22 | 2022-03-29 | 国家能源投资集团有限责任公司 | Cathode chamber air-tight structure of high-temperature solid oxide fuel cell |
| CN114824407A (en) * | 2022-04-19 | 2022-07-29 | 徐州华清京昆能源有限公司 | Solid oxide fuel cell stack |
| CN115064747A (en) * | 2022-07-04 | 2022-09-16 | 徐州华清京昆能源有限公司 | Hot box structure for solid oxide fuel cell power generation system |
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| CN102723507A (en) * | 2012-05-22 | 2012-10-10 | 华中科技大学 | External airway type flat solid oxide fuel cell stack and assembling method |
| CN103311560A (en) * | 2012-03-16 | 2013-09-18 | 中国科学院宁波材料技术与工程研究所 | Solid oxide fuel cell power generating system and cell stack thereof |
| CN104916860A (en) * | 2015-04-23 | 2015-09-16 | 常州联德电子有限公司 | Outer gas flow cavity-based solid oxide fuel cell electric pile group serial connecting technology |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109167084A (en) * | 2018-09-06 | 2019-01-08 | 常州联德电子有限公司 | A kind of solid oxide fuel cell metal connector and its quick molding method |
| CN109411799A (en) * | 2018-12-11 | 2019-03-01 | 广东索特能源科技有限公司 | A kind of pile sealing device and the method that pile is sealed |
| CN111403787A (en) * | 2020-03-30 | 2020-07-10 | 东风汽车集团有限公司 | Holding tool device for automatic stacking of fuel cell stack |
| CN111403787B (en) * | 2020-03-30 | 2021-07-06 | 东风汽车集团有限公司 | Holding tool device for automatic stacking of fuel cell stack |
| CN112117478A (en) * | 2020-06-19 | 2020-12-22 | 浙江氢邦科技有限公司 | Pressure connection assembly, pressure device, self-pressurizing cell stack and cell stack self-pressurizing method |
| CN114256478A (en) * | 2020-09-22 | 2022-03-29 | 国家能源投资集团有限责任公司 | Cathode chamber air-tight structure of high-temperature solid oxide fuel cell |
| CN114824407A (en) * | 2022-04-19 | 2022-07-29 | 徐州华清京昆能源有限公司 | Solid oxide fuel cell stack |
| CN115064747A (en) * | 2022-07-04 | 2022-09-16 | 徐州华清京昆能源有限公司 | Hot box structure for solid oxide fuel cell power generation system |
| CN115064747B (en) * | 2022-07-04 | 2023-12-01 | 徐州华清京昆能源有限公司 | Thermal box structure for solid oxide fuel cell power generation system |
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