CN102134726A - Flat plate type solid oxide electrolytic cell pile with novel sealed structure - Google Patents
Flat plate type solid oxide electrolytic cell pile with novel sealed structure Download PDFInfo
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- CN102134726A CN102134726A CN2011100038236A CN201110003823A CN102134726A CN 102134726 A CN102134726 A CN 102134726A CN 2011100038236 A CN2011100038236 A CN 2011100038236A CN 201110003823 A CN201110003823 A CN 201110003823A CN 102134726 A CN102134726 A CN 102134726A
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a flat plate type solid oxide electrolytic cell pile with a novel sealed structure, belonging to the field of hydrogen production by electrolyzing high-temperature steam. The flat plate type solid oxide electrolytic cell pile is formed by the means that a top plate, a base plate and at lest two of flat plate type solid oxide electrolytic cell units are connected with one another in series; each flat plate type solid oxide electrolytic cell unit consists of a metal bipolar plate, a meal sealed frame, a flat plate type solid oxide electrolytic cell piece and a current-collecting mesh; and the electrolytic cell piece is embedded in the meal sealed frame to be sealed and insulated by an inner sealing strip. By improving a seal structure of the pile, the flat plate type solid oxide electrolytic cell pile can be used for separating the outer seal from the inner seal, so that a contact area between the electrolytic cell piece and the adjoining components can be effectively reduced, the thermal stress caused by the thermal expansion coefficient difference of the different components can be reduced, the stability of the electrolytic cell piece can be kept, and the seal effect and the thermal cycle stability of the flat plate type solid oxide electrolytic cell pile can be improved, therefore the flat plate type solid oxide electrolytic cell pile has an important meaning for the development of a high-temperature solid oxide electrolytic cell technology, thereby being used for producing the hydrogen by electrolyzing high-temperature steam on a large scale.
Description
Technical field
The invention belongs to high-temperature vapor electrolytic hydrogen production field, particularly a kind of flat solid oxide electrolyzer of novel sealing structure heap.
Background technology
The high-temperature solid oxide electrolyzer is a kind of efficient, oligosaprobic energy conversion device, and the hot research problem that to utilize its electrolysis of water steam hydrogen manufacturing be present energy field has vast potential for future development.The development of high-temperature solid oxide electrolyzer heap technology is the key of its practicability.The operational condition of high-temperature solid oxide electrolyzer is a hot environment, and for flat pile, can the sealing problem under the high temperature solve is the key issue of this technical development.
At present the seal request of flat solid oxide electrolyzer heap can be divided into two aspects, at first be to guarantee the high temperature excellent sealing during operation down, and secondly be the thermal cycling operation that realizes pile on this basis.For the former, general electrolytic tank of solid oxide is piled general easy realization at present, and repeatedly thermal cycling problem is a difficult point of present flat solid oxide electrolyzer heap development, also is to move towards one of market key in application performance index.Solve the thermal cycling problem, except developing novel sealing material, the design of Sealing Structure of improving pile is another effective way.
General flat solid oxide electrolyzer heap comprises electrolyzer sheet, bipolar plates and sealing material, in order to guarantee sealing effectiveness, the both sides of electrolyzer sheet generally all have sealing material, the common stupalith that is sealed into contacts with metallic substance, because the thermal expansivity of metallic substance and stupalith does not match, when carrying out the thermal cycling operation, can produce bigger mechanical stress, thereby cause the cracking of electrolyzer sheet.When the design of good electric pile structure can effectively reduce pile and at high temperature moves, and during the stack temperature lifting thermal stresses to the influence of electrolyzer tablet stability.From electrolyzer pile structure design point of view, need reduce contacting of electrolyzer sheet and adjacent component as far as possible, promptly under the prerequisite that guarantees excellent sealing, the contact surface of sealing is as far as possible little.Based on above-mentioned mentality of designing, need a kind of novel sealing structure to improve flat solid oxide electrolyzer heap thermal circulation performance.
Summary of the invention:
When the objective of the invention is to carry out the thermal cycling operation for being sealed in of the flat solid oxide electrolyzer of prior art heap, can produce bigger mechanical stress, thereby the rimose problem that causes the electrolyzer sheet, adopt improved bipolar plates and the design of sealing frame, reduce the electrolyzer trim effectively, thereby help to solve the thermal cycling problem of flat solid oxide electrolyzer heap, a kind of flat solid oxide electrolyzer heap of novel sealing structure has been proposed, it is characterized in that, the flat solid oxide electrolyzer heap of novel sealing structure comprises top board 1, base plate 7 and plural at least flat solid oxide cell elements; 2～100 flat solid oxide cell elements compose in series flat solid oxide electrolyzer heap, first metal double polar plates 6 cathode plane of one-level flat solid oxide cell elements are second metal double polar plates 6 cathode plane of higher level's flat solid oxide cell elements, second metal double polar plates 6 anode surface of one-level flat solid oxide cell elements are first metal double polar plates 6 anode surface of subordinate's flat solid oxide cell elements, the anode surface of base plate 7 has replaced first metal double polar plates anode surface of first step flat solid oxide cell elements, the cathode plane of top board 1 has replaced second metal double polar plates cathode plane of final stage flat solid oxide cell elements, the bolt hole 8 that passes on top board 1 and the base plate 7 with screw rod also is concatenated into flat solid oxide electrolyzer heap with insulation thimble and insulation spacer with the flat solid oxide cell elements, the anode surface of base plate 7 is the anode of flat solid oxide electrolyzer heap, the cathode plane of top board 1 is the negative electrode of flat solid oxide electrolyzer heap, the one group gas turnover duct 12 parallel with oxygen runner 11 and the air and the oxygen circuit of every grade of flat solid oxide cell elements are communicated with on the base plate 7, this group gas turnover duct 12 is imported and exported with outside air that is connected and oxygen for flat solid oxide electrolyzer heap, pass in and out the water vapour and the hydrogen circuit communication of ducts 12 and every grade of flat solid oxide cell elements on the base plate 7 with oxygen runner 11 vertical gases, this group gas turnover duct 12 is flat solid oxide electrolyzer heap and outside water vapour that is connected and hydrogen import and export;
The structure from bottom to top of described flat solid oxide cell elements is, first metal double polar plates 6 anode surface upwards, anode current collector net 5 places on the zone of oxygen runner 11 of metal double polar plates 6 anode surfaces, metallic seal frame 4 places on first metal double polar plates 6, the cathode plane of metallic seal frame 4 fluted 9 upwards, pore 10 on the pore 10 of metallic seal frame 4 and first metal double polar plates 6 is aligned with each other, seal and insulation with outer gland sealing 13 between metallic seal frame 4 anode surfaces and first metal double polar plates 6 anode surface, wherein, in 4 limits of metallic seal frame 4,1 outer gland sealing 13 is arranged respectively, 1 outer gland sealing 13 parallel with oxygen runner 11 is respectively arranged in the both sides in oxygen runner 11 zones, pore 10 that two rows are parallel with oxygen runner 11 and two rows and oxygen runner 11 vertical pores 10 separate, electrolytic tank of solid oxide sheet 3 is inlaid in the groove 9 of metallic seal frame 4, article 4, sealing 14 seals electrolytic tank of solid oxide sheet 3 and metallic seal frame 4 and insulation in groove 9 in, the oxygen electrode of electrolytic tank of solid oxide sheet 3 down, the cathode plane of the hydrogen electrode of electrolytic tank of solid oxide sheet 3 and metallic seal frame 4 is in same plane, anode current collector net 5 places between the oxygen electrode and first metal double polar plates 6 anode surface of electrolytic tank of solid oxide sheet 3, cathode collector net 2 places on the hydrogen electrode of electrolytic tank of solid oxide sheet 3, second metal double polar plates 6 cathode plane places cathode collector net 2 downwards, oxygen runner 11 mutually orthogonals on hydrogen runner 15 on second metal double polar plates 6 cathode plane and first metal double polar plates 6 anode surface, the pore 10 of second metal double polar plates 6 also with metallic seal frame 4 on pore 10 be aligned with each other, seal and insulation with outer gland sealing 13 between metallic seal frame 4 and second metal double polar plates 6 cathode plane, wherein, in 4 limits of metallic seal frame 4,1 outer gland sealing 13 is arranged respectively, 1 outer gland sealing 13 parallel with hydrogen runner 15 is respectively arranged in the both sides in hydrogen runner 15 zones, pore 10 that two rows are parallel with hydrogen runner 15 and two rows and hydrogen runner 15 vertical pores 10 separate, in whole flat solid oxide cell elements, first metal double polar plates 6, anode current collector net 5, electrolytic tank of solid oxide sheet 3, cathode collector net 2 and second metal double polar plates 6 electrically contact the formation series circuit, hydrogen runner 15 on two rows on two metal double polar plates 6 and the metallic seal frame 4 and hydrogen runner 15 vertical pores 10 and second metal double polar plates 6 constitutes water vapour and hydrogen loops, and the oxygen runner 11 on two rows on two metal double polar plates 6 and the metallic seal frame 4 and oxygen runner 11 vertical pores 10 and first metal double polar plates 6 constitutes air and oxygen circuit.
All there is a venting hole 10 on every limit of described metallic seal frame 4, the preglabellar field fluted 9 of metallic seal frame 4 cathode planes.
All there is a venting hole 10 on every limit of described metal double polar plates 6, and pore 10 positions, quantity and the size of the pore 10 of metal double polar plates 6 and metallic seal frame 4 correspondences are all identical.
On four angles of described base plate 7 bolt hole 8 is arranged respectively, all there are a penetrating gas turnover duct 12, corresponding pore 10 on the position alignment metallic seal frame 4 in every gas turnover duct 12 in every limit.
On four angles of described top board 1 bolt hole 8 is arranged respectively, each bolt hole 8 of top board 1 is all identical with size with bolt hole 8 positions of base plate 7 correspondences.
The material of described metal double polar plates 6 is high temperature alloy Cr base stainless steel or Ni base stainless steel.
The material of described metallic seal frame 4 is high temperature alloy Cr base stainless steel or Ni base stainless steel.
The sealing material of described outer gland sealing 13 is glass or pottery, and the sealing material of interior sealing 14 is a devitrified glass.
The material of described cathode collector net 2 is nickel screen or nickel foam.
The material of described anode current collector net 5 is platinum guaze or golden net.
Beneficial effect of the present invention is: 1. at flat high-temperature solid oxide electrolyzer sealing problem, improve by the pile sealed structure, one metallic seal frame is set, outer gland sealing and interior sealing are separated, can effectively reduce the contact area of electrolytic tank of solid oxide sheet and adjacent component, the thermal stresses that minimizing brings because of different component heat expansion coefficient differences keeps the stable of electrolytic tank of solid oxide sheet; 2. adopt the design's electrolyzer to pile used electrolyzer sheet and need not punch, avoided the further problems such as physical strength reduction brought of processing of electrolytic tank of solid oxide sheet, and reduced the pile cost; 3. pile air inlet/outlet of the present invention road is all undertaken by base plate, and is more convenient with the attended operation of outside gas circuit, strengthened the stability of pile dismounting.
The present invention improves the sealing effectiveness and the thermal cycling stability of flat solid oxide electrolyzer heap effectively, has great importance for the development of high-temperature solid oxide electrolyzer technology.
Description of drawings:
Fig. 1 is the whole decomposing schematic representation of three grades of electrolytic tank of solid oxide heap embodiment of the present invention;
Fig. 2 is provided with part sectioned view for the sealing of flat solid oxide cell elements;
Fig. 3 a is provided with synoptic diagram for the sealing of sealing frame anode surface synoptic diagram;
Fig. 3 b is provided with synoptic diagram for the sealing of sealing frame cathode plane synoptic diagram;
Fig. 4 a is a metal double polar plates anode surface synoptic diagram;
Fig. 4 b is a metal double polar plates cathode plane synoptic diagram;
Fig. 5 is a base plate anode surface synoptic diagram;
Fig. 6 is a top board cathode plane synoptic diagram.
Among the figure, the 1-top board; 2-cathode collector net; 3-electrolytic tank of solid oxide sheet; 4-metallic seal frame; 5-anode current collector net; The 6-metal double polar plates; The 7-base plate; The 8-bolt hole; The 9-groove; The 10-pore; 11-oxygen runner; 12-gas turnover duct; The 13-outer gland sealing; Sealing in the 14-, 15-hydrogen runner.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing.Should be emphasized that following explanation only is exemplary, rather than in order to limit the scope of the invention and to use.
Fig. 1 is the whole decomposing schematic representation of three grades of electrolytic tank of solid oxide heap embodiment of the present invention.3 flat solid oxide cell elements compose in series flat solid oxide electrolyzer heap.First metal double polar plates 6 cathode plane of second stage flat solid oxide cell elements are second metal double polar plates 6 cathode plane of first step flat solid oxide cell elements.Second metal double polar plates 6 anode surface of second stage flat solid oxide cell elements are first metal double polar plates 6 anode surface of third stage flat solid oxide cell elements.The anode surface of base plate 7 has replaced first metal double polar plates anode surface of first step flat solid oxide cell elements, and the cathode plane of top board 1 has replaced second metal double polar plates cathode plane of third stage flat solid oxide cell elements.The bolt hole 8 that passes on top board 1 and the base plate 7 with screw rod also is concatenated into flat solid oxide electrolyzer heap with insulation thimble and insulation spacer with 3 grades of flat solid oxide cell elements.The anode surface of base plate 7 is the anode of flat solid oxide electrolyzer heap, and the cathode plane of top board 1 is the negative electrode of flat solid oxide electrolyzer heap.The one group gas turnover duct 12 parallel with oxygen runner 11 and the air and the oxygen circuit of every grade of flat solid oxide cell elements are communicated with air and oxygen import and export that this group gas turnover duct 12 is connected with the outside for flat solid oxide electrolyzer heap on the base plate 7.Pass in and out the water vapour and the hydrogen circuit communication of ducts 12 and every grade of flat solid oxide cell elements on the base plate 7 with oxygen runner 11 vertical gases, this group gas turnover duct 12 is flat solid oxide electrolyzer heap and outside water vapour that is connected and hydrogen import and export.
As depicted in figs. 1 and 2, the structure from bottom to top of flat solid oxide cell elements is, first metal double polar plates 6 anode surface upwards, anode current collector net 5 places on the zone of oxygen runner 11 of metal double polar plates 6 anode surfaces, metallic seal frame 4 places on first metal double polar plates 6, the cathode plane of metallic seal frame 4 fluted 9 upwards, the pore 10 on the pore 10 of metallic seal frame 4 and first metal double polar plates 6 is aligned with each other.Seal and insulation with outer gland sealing 13 between metallic seal frame 4 anode surfaces and first metal double polar plates 6 anode surface, wherein, in 4 limits of metallic seal frame 4,1 outer gland sealing 13 is arranged respectively, 1 outer gland sealing 13 parallel with oxygen runner 11 is respectively arranged in the both sides in oxygen runner 11 zones, pore 10 that two rows are parallel with oxygen runner 11 and two rows and oxygen runner 11 vertical pores 10 separate, shown in Fig. 3 a.Electrolytic tank of solid oxide sheet 3 is inlaid in the groove 9 of metallic seal frame 4, in 4 sealing 14 groove 9 in electrolytic tank of solid oxide sheet 3 with 4 sealings of metallic seal frame with insulate, shown in Fig. 3 b.The oxygen electrode of electrolytic tank of solid oxide sheet 3 down, the cathode plane of the hydrogen electrode of electrolytic tank of solid oxide sheet 3 and metallic seal frame 4 is in same plane, anode current collector net 5 places between the oxygen electrode and first metal double polar plates 6 anode surface of electrolytic tank of solid oxide sheet 3, cathode collector net 2 places on the hydrogen electrode of electrolytic tank of solid oxide sheet 3, second metal double polar plates 6 cathode plane place hydrogen runner 15 on 2, the second metal double polar plates 6 cathode planes of cathode collector net and oxygen runner 11 mutually orthogonals on first metal double polar plates 6 anode surface downwards.The pore 10 of second metal double polar plates 6 also with metallic seal frame 4 on pore 10 be aligned with each other, seal and insulation with outer gland sealing 13 between metallic seal frame 4 and second metal double polar plates 6 cathode plane, wherein, in 4 limits of metallic seal frame 4,1 outer gland sealing 13 is arranged respectively, 1 outer gland sealing 13 parallel with hydrogen runner 15 is respectively arranged in the both sides in hydrogen runner 15 zones, pore 10 that two rows are parallel with hydrogen runner 15 and two rows and hydrogen runner 15 vertical pores 10 separate, shown in Fig. 3 b.The sealing area of outer gland sealing 13 is bigger, and it mainly acts on is that electrolyzer internal gas and outside atmosphere are isolated, and its main sealing contact surface can not impact electrolytic tank of solid oxide sheet 3 between metal double polar plates 6 and metallic seal frame 4.Interior sealing 14 only needs the sealing of a side between electrolytic tank of solid oxide sheet 3 and metallic seal frame groove 9, sealing contact surface is long-pending very little, has reduced the destruction of thermal stresses to electrolytic tank of solid oxide sheet 3 effectively.Outer gland sealing 13 used sealing materials are glass or pottery, and interior sealing 14 used sealing materials are devitrified glass.
In whole flat solid oxide cell elements, electrically contact the formation series circuit in first metal double polar plates 6, anode current collector net 5, electrolytic tank of solid oxide sheet 3, cathode collector net 2 and second metal double polar plates 6 between the adjacent parts.Hydrogen runner 15 on two rows on two metal double polar plates 6 and the metallic seal frame 4 and hydrogen runner 15 vertical pores 10 and second metal double polar plates 6 constitutes water vapour and hydrogen loops.Oxygen runner 11 on two rows on two metal double polar plates 6 and the metallic seal frame 4 and oxygen runner 11 vertical pores 10 and first metal double polar plates 6 constitutes air and oxygen circuit.
Shown in Fig. 3 a and Fig. 3 b, all there is a venting hole 10 on every limit of metallic seal frame 4, the preglabellar field fluted 9 of metallic seal frame 4 cathode planes.The material of metallic seal frame 4 is 2520 stainless steels or 430 stainless steels in Cr base stainless steel or the Ni base stainless steel high temperature alloy.
Shown in Fig. 4 a and Fig. 4 b, all there is a venting hole 10 on every limit of metal double polar plates 6, and pore 10 positions, quantity and the size of the pore 10 of metal double polar plates 6 and metallic seal frame 4 correspondences are all identical.Oxygen runner 11 on metal double polar plates 6 anode planes is a groove parallel to each other, hydrogen runner 15 on metal double polar plates 6 cathode planes is a groove parallel to each other, oxygen runner 11 and hydrogen runner 15 are orthogonal, oxygen runner 11 and hydrogen runner 15 are not penetrating mutually, and its degree of depth is 20～30% of metal double polar plates 6 thickness.The material of metal double polar plates 6 is 2520 stainless steels or 430 stainless steels in Cr base stainless steel or the Ni base stainless steel high temperature alloy.
As shown in Figure 5, on four angles of base plate 7 bolt hole 8 is arranged respectively, all there are a penetrating gas turnover duct 12, corresponding pore 10 on the position alignment metallic seal frame 4 in every gas turnover duct 12 in every limit.Oxygen runner 11 on base plate 7 anode planes is a groove parallel to each other.The material of base plate 7 is 2520 stainless steels or 430 stainless steels in Cr base stainless steel or the Ni base stainless steel high temperature alloy.
As shown in Figure 6, on four angles of top board 1 bolt hole 8 is arranged respectively, each bolt hole 8 of top board 1 is all identical with size with bolt hole 8 positions of base plate 7 correspondences.Hydrogen runner 15 on the cathode plane of top board 1 is a groove parallel to each other.The material of top board 1 is 2520 stainless steels or 430 stainless steels in Cr base stainless steel or the Ni base stainless steel high temperature alloy.
The material of cathode collector net 2 is nickel screen or nickel foam.The material of anode current collector net 5 is platinum guaze or golden net.
The flat solid oxide electrolyzer of novel sealing structure is piled main assembling process: check at first whether gas cylinder, gas circuit, circuit and each several part equipment is normal, and whether the test macro surrounding environment meets the experiment safety requirement.The base plate 7 of pile is placed on the platform, the anode surface of base plate 7 upwards, on the oxygen runner zone of base plate 7, place anode current collector net 5, according to Fig. 3 a and Fig. 3 b the sealing material slurry is coated in the zone of the outer gland sealing 13 of base plate 7 anode surfaces, perhaps the sealed strip that in advance sealing material is processed into certain shape according to the size of outer gland sealing 13 places the position shown in the outer gland sealing 13.Then metallic seal frame 4 cathode planes are placed on the base plate 7, groove 9 parts that slurry or sealed strip place metallic seal frame 4 will be sealed, place electrolytic tank of solid oxide sheet 3 afterwards, modes of emplacement be electrolytic tank of solid oxide sheet 3 oxygen electrode down, the ionogen at edge part contacts with interior sealing 14.At metallic seal frame 4 cathode planes outer gland sealing 13 is set by Fig. 3 b after electrolytic tank of solid oxide sheet 3 places, on electrolyzer sheet hydrogen electrode, places cathode collector net 2.Afterwards metal double polar plates 6 cathode planes are placed on downwards on the cathode collector net 2, the metal double polar plates 6 hydrogen runners 15 of contact cathode collector net 2 should be vertical with oxygen runner 11 directions of base plate 7.Outer gland sealing 13 is set on the anode surface of metal double polar plates again, repeat to add anode current collector net 5, metallic seal frame 4, interior sealing 14, electrolytic tank of solid oxide sheet 3 and cathode collector net 2 successively, how much repeat to assemble a plurality of electrolytic tank of solid oxide unit by electrolyzer sheet number.Place the top board 1 of pile at last, with bolt, insulation thimble and insulation spacer that flat solid oxide electrolyzer heap is fixing.The flat solid oxide electrolyzer that fixes is stacked in the electric furnace, connects outside gas circuit, current/voltage lead, can carry out warming temperature.
The present invention is applicable to large-scale high-temperature vapor electrolytic hydrogen production, and the raising of sealing effectiveness and thermal cycling stability can prolong the work-ing life of electrolytic tank of solid oxide heap, thereby reduces the hydrogen manufacturing cost; In addition, good thermal cycling stability makes pile can anti-ly stop extraneous accidentalia interference such as heat supply temporarily, and the security of hydrogen production facilities is better guaranteed.These performances of the present invention will promote the process of high-temperature vapor electrolytic hydrogen production technical applicationization.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. the flat solid oxide electrolyzer of a novel sealing structure is piled, it is characterized in that, the flat solid oxide electrolyzer heap of novel sealing structure comprises top board (1), base plate (7) and plural at least flat solid oxide cell elements; 2～100 flat solid oxide cell elements compose in series flat solid oxide electrolyzer heap, first metal double polar plates (6) cathode plane of one-level flat solid oxide cell elements is second metal double polar plates (6) cathode plane of higher level's flat solid oxide cell elements, second metal double polar plates (6) anode surface of one-level flat solid oxide cell elements is first metal double polar plates (6) anode surface of subordinate's flat solid oxide cell elements, the anode surface of base plate (7) has replaced first metal double polar plates anode surface of first step flat solid oxide cell elements, the cathode plane of top board (1) has replaced second metal double polar plates cathode plane of final stage flat solid oxide cell elements, the bolt hole (8) that passes on top board (1) and the base plate (7) with screw rod also is concatenated into flat solid oxide electrolyzer heap with insulation thimble and insulation spacer with the flat solid oxide cell elements, the anode surface of base plate (7) is the anode of flat solid oxide electrolyzer heap, the cathode plane of top board (1) is the negative electrode of flat solid oxide electrolyzer heap, air and oxygen circuit that base plate (7) is gone up the one group gas turnover duct (12) parallel with oxygen runner (11) and every grade of flat solid oxide cell elements are communicated with, this group gas turnover duct (12) is imported and exported with outside air that is connected and oxygen for flat solid oxide electrolyzer heap, base plate (7) is gone up water vapour and the hydrogen circuit communication with oxygen runner (11) vertical gas turnover duct (12) and every grade of flat solid oxide cell elements, and this group gas turnover duct (12) is the flat solid oxide electrolyzer is piled and the outside is connected water vapour and hydrogen import and export;
The structure from bottom to top of described flat solid oxide cell elements is, first metal double polar plates (6) anode surface upwards, anode current collector net (5) places on the zone of oxygen runner (11) of metal double polar plates (6) anode surface, metallic seal frame (4) places on first metal double polar plates (6), the cathode plane of metallic seal frame (4) fluted (9) upwards, the pore (10) of metallic seal frame (4) and the pore (10) on first metal double polar plates (6) are aligned with each other, seal and insulation with outer gland sealing (13) between metallic seal frame (4) anode surface and first metal double polar plates (6) anode surface, wherein, in 4 limits of metallic seal frame (4), 1 outer gland sealing (13) is arranged respectively, respectively there is 1 outer gland sealing (13) parallel with oxygen runner (11) both sides in oxygen runner (11) zone, pore (10) and two rows that two rows are parallel with oxygen runner (11) separate with the vertical pore of oxygen runner (11) (10), electrolytic tank of solid oxide sheet (3) is inlaid in the groove (9) of metallic seal frame (4), article 4, sealing (14) seals electrolytic tank of solid oxide sheet (3) and metallic seal frame (4) and insulation in groove (9) in, the oxygen electrode of electrolytic tank of solid oxide sheet (3) down, the cathode plane of the hydrogen electrode of electrolytic tank of solid oxide sheet (3) and metallic seal frame (4) is in same plane, anode current collector net (5) places between the oxygen electrode and first metal double polar plates (6) anode surface of electrolytic tank of solid oxide sheet (3), cathode collector net (2) places on the hydrogen electrode of electrolytic tank of solid oxide sheet (3), second metal double polar plates (6) cathode plane places cathode collector net (2) downwards, oxygen runner (11) mutually orthogonal on hydrogen runner (15) on second metal double polar plates (6) cathode plane and first metal double polar plates (6) anode surface, the pore (10) of second metal double polar plates (6) also with metallic seal frame (4) on pore (10) be aligned with each other, seal and insulation with outer gland sealing (13) between metallic seal frame (4) and second metal double polar plates (6) cathode plane, wherein, in 4 limits of metallic seal frame (4), 1 outer gland sealing (13) is arranged respectively, respectively there is 1 outer gland sealing (13) parallel with hydrogen runner (15) both sides in hydrogen runner (15) zone, pore (10) and two rows that two rows are parallel with hydrogen runner (15) separate with the vertical pore of hydrogen runner (15) (10), in whole flat solid oxide cell elements, first metal double polar plates (6), anode current collector net (5), electrolytic tank of solid oxide sheet (3), cathode collector net (2) and second metal double polar plates (6) electrically contact the formation series circuit, hydrogen runner (15) on two metal double polar plates (6) and the metallic seal frame (4) two row and the vertical pore of hydrogen runner (15) (10) and second metal double polar plates (6) constitutes water vapour and hydrogen loop, and the oxygen runner (11) on the row of two on two metal double polar plates (6) and the metallic seal frame (4) and the vertical pore of oxygen runner (11) (10) and first metal double polar plates (6) constitutes air and oxygen circuit.
2. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 heap is characterized in that all there is a venting hole (10) on every limit of described metallic seal frame (4), the preglabellar field fluted (9) of metallic seal frame (4) cathode plane.
3. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 is piled, it is characterized in that, all there is a venting hole (10) on every limit of described metal double polar plates (6), and the pore (10) of metal double polar plates (6) is all identical with size with pore (10) position, the quantity of metallic seal frame (4) correspondence.
4. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 is piled, it is characterized in that, oxygen runner (11) on described metal double polar plates (6) anode planes is a groove parallel to each other, hydrogen runner (15) on metal double polar plates (6) cathode plane is a groove parallel to each other, oxygen runner (11) and hydrogen runner (15) are orthogonal, oxygen runner (11) and hydrogen runner (15) are not penetrating mutually, and its degree of depth is 20～30% of metal double polar plates (6) thickness.
5. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 is piled, it is characterized in that, on four angles of described base plate (7) bolt hole (8) is arranged respectively, all there is a penetrating gas turnover duct (12) on every limit, the position alignment metallic seal frame (4) in every gas turnover duct (12) is gone up corresponding pore (10), and the oxygen runner (11) on base plate (7) anode planes is a groove parallel to each other.
6. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 is piled, it is characterized in that, on four angles of described top board (1) bolt hole (8) is arranged respectively, each bolt hole (8) of top board (1) is all identical with size with bolt hole (8) position of base plate (7) correspondence, and the hydrogen runner (15) on the cathode plane of top board (1) is a groove parallel to each other.
7. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 heap is characterized in that, the material of described metal double polar plates (6) and metallic seal frame (4) is high temperature alloy Cr base stainless steel or Ni base stainless steel.
8. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 heap is characterized in that the sealing material of described outer gland sealing (13) is glass or pottery, and the sealing material of described interior sealing (14) is a devitrified glass.
9. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 heap is characterized in that the material of described cathode collector net (2) is nickel screen or nickel foam.
10. the flat solid oxide electrolyzer of a kind of novel sealing structure according to claim 1 heap is characterized in that the material of described anode current collector net (5) is platinum guaze or golden net.
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| CN106784511A (en) * | 2017-03-15 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | Semitight power-supply system and automobile |
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| CN108796538A (en) * | 2018-08-27 | 2018-11-13 | 山东赛克赛斯氢能源有限公司 | A kind of electrolytic bath pole sealing frame |
| CN108796538B (en) * | 2018-08-27 | 2023-07-28 | 山东赛克赛斯氢能源有限公司 | Electrode sealing frame for electrolytic tank |
| CN108796539B (en) * | 2018-08-27 | 2023-07-25 | 山东赛克赛斯氢能源有限公司 | Electrode sealing frame for electrolytic cell |
| CN109881209A (en) * | 2019-03-04 | 2019-06-14 | 天津大学 | The optimization structure in electrolytic tank of solid oxide combination foam flow field |
| CN111809193B (en) * | 2020-06-09 | 2023-02-07 | 四川大学 | Device and method for preparing high-purity hydrogen by biomass electrolysis based on high-temperature solid electrolytic cell |
| CN111809193A (en) * | 2020-06-09 | 2020-10-23 | 四川大学 | Device and method for preparing high-purity hydrogen by biomass electrolysis based on high-temperature solid electrolytic cell |
| CN113745531A (en) * | 2021-09-14 | 2021-12-03 | 北京思伟特新能源科技有限公司 | High-performance solid oxide electrolytic cell and preparation method thereof |
| CN115613063A (en) * | 2022-12-16 | 2023-01-17 | 北京思伟特新能源科技有限公司 | Flat-plate type solid oxide electrolytic cell stack |
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