CN103700801A - Solid oxide fuel cell stack and cell connector thereof - Google Patents
Solid oxide fuel cell stack and cell connector thereof Download PDFInfo
- Publication number
- CN103700801A CN103700801A CN201310753578.XA CN201310753578A CN103700801A CN 103700801 A CN103700801 A CN 103700801A CN 201310753578 A CN201310753578 A CN 201310753578A CN 103700801 A CN103700801 A CN 103700801A
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- Prior art keywords
- battery connector
- connecting piece
- battery connecting
- support protrusion
- oxide fuel
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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
- H01M8/2465—Details of groupings 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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
本发明公开了一种固体氧化物燃料电池堆的电池连接件，所述电池连接件的两侧分别布置有第一支撑凸起部和第二支撑凸起部，相邻的两个所述第一支撑凸起部之间形成第一流道区，相邻的两个所述第二支撑凸起部之间形成第二流道区，所述第一支撑凸起部和所述第二流道区域对称布置于所述电池连接件两侧。由于第一支撑凸起部和第二流道区对称布置于电池连接件两侧，所以第二支撑凸起部和第一流道区对称布置于电池连接件两侧，有效地增大了电池连接件较薄位置处的厚度，有效地延长了电池连接件的使用寿命。本发明还公开了一种包括上述电池连接件的固体氧化物燃料电池堆。
The invention discloses a battery connector of a solid oxide fuel cell stack. First support protrusions and second support protrusions are respectively arranged on both sides of the battery connector. A first flow channel area is formed between one support protrusion, a second flow channel area is formed between two adjacent second support protrusions, and the first support protrusion and the second flow channel The regions are arranged symmetrically on both sides of the battery connector. Since the first support protrusion and the second flow channel area are symmetrically arranged on both sides of the battery connector, the second support protrusion and the first flow channel area are symmetrically arranged on both sides of the battery connector, effectively increasing the battery connection. The thickness at the thinner part effectively prolongs the service life of the battery connector. The invention also discloses a solid oxide fuel cell stack comprising the above-mentioned cell connector.
Description
Technical field
The present invention relates to production of energy technical field, particularly a kind of battery connecting piece of solid-oxide fuel cell stack.The invention still further relates to a kind of solid-oxide fuel cell stack that comprises above-mentioned battery connecting piece.
Background technology
Fuel cell is the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that a kind of chemical energy that fuel is had is converted into electric energy.Kinds of fuel cells is various, it mainly comprises hydrogen-oxygen proton exchange membrane fuel cell, molten carbonate fuel cell, Solid Oxide Fuel Cell and metal-air cell etc., and wherein Solid Oxide Fuel Cell is a kind ofly under middle high temperature, directly will to be stored in all solid state chemical generated device that chemical energy in fuel and oxidant is efficient, change into environmental friendliness electric energy.
Solid Oxide Fuel Cell is when work, the oxidizing gas cell cathode of flowing through, wherein oxidizing gas is generally air, oxygen molecule obtains two electronics and changes oxonium ion under catalyst action, oxonium ion transfers to galvanic anode by the solid oxide electrolysis matter of Solid Oxide Fuel Cell, oxonium ion generates water, carbon dioxide and electronics with the fuel reactant gas of the galvanic anode of flowing through, and then electronics is transferred to cell cathode by external circuit, completes the whole reaction mechanism mechanism of reaction and circuit cycles.
Because monolithic solid oxide fuel cell power is only tens of watts, need to be by battery connecting piece by the monolithic solid oxide fuel cell formation solid-oxide fuel cell stack that is together in series, thus obtain higher voltage and power stage.Battery connecting piece plays the effect of oxidizing gas and fuel gas between the different Solid Oxide Fuel Cell of isolation as the main component of battery pile, as the electric connector of monolithic solid oxide fuel cell, the electric current that electrochemical reaction is produced guides out in addition.
As shown in Figure 1 to Figure 2, traditional solid-oxide fuel cell stack comprises multi-disc Solid Oxide Fuel Cell 02 and is arranged in the battery connecting piece 01 between adjacent two Solid Oxide Fuel Cell 02, Solid Oxide Fuel Cell 02 comprises cathode layer 021, solid oxide electrolyte layer 022 and anode layer 023, wherein cathode layer 021 and anode layer 023 are arranged in respectively solid oxide electrolyte layer 022 both sides, the both sides of battery connecting piece 01 are furnished with respectively the first support protrusion portion 011 and the second support protrusion portion 012, between two adjacent the first support protrusion portions 011, form first flow district 013, between two adjacent the second support protrusion, form the second flow path area 014, first flow district 013 and the second flow path area 014 flow for fuel and oxidizing gas, the first support protrusion portion 011 and the second support protrusion portion 012 are symmetrically arranged in the both sides of battery connecting piece 01.Because the first support protrusion portion 011 and the second support protrusion portion 012 are symmetrically arranged in the both sides of battery connecting piece 01, so first flow district 013 and the second flow path area 014 are also symmetrically arranged in the both sides of battery connecting piece 01, cause on battery connecting piece 01 the first lug boss and the second lug boss correspondence position thicker, battery connecting piece 01Shang first flow district 013 and the second flow path area 014 correspondence position are thinner, on battery connecting piece 01, integral thickness changes greatly, and battery connecting piece 01 is at high temperature worked, cause battery connecting piece 01 in use easily to ftracture the position of thinner thickness, the phenomenon that occurs battery connecting piece 01 local shedding, the useful life of battery connecting piece 01 is lower.
Therefore, how extending the useful life of battery connecting piece, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The battery connecting piece that the object of this invention is to provide a kind of solid-oxide fuel cell stack, extended the useful life of this battery connecting piece.Another object of the present invention is to provide a kind of solid-oxide fuel cell stack that comprises above-mentioned battery connecting piece.
For achieving the above object, the invention provides a kind of battery connecting piece of solid-oxide fuel cell stack, the both sides of described battery connecting piece are furnished with respectively the first support protrusion portion and the second support protrusion portion, between two adjacent described the first support protrusion portions, form first flow district, between two adjacent described the second support protrusion portions, form the second flow path area, described the first support protrusion portion and described the second flow path area are symmetrically arranged in described battery connecting piece both sides.
Preferably, described first flow district opening is to described the first support protrusion portion top orientation flaring.
Preferably, described the second flow path area opening is to described the second support protrusion portion top orientation flaring.
Preferably, each position thickness of described battery connecting piece is identical.
Preferably, described first flow district and described the second flow path area are rectangle along the cross section of described battery connecting piece thickness direction.
Preferably, described the first support protrusion portion and described the second support protrusion portion are rectangle along the cross section of described battery connecting piece thickness direction.
Preferably, described first flow district and described the second flow path area are isosceles trapezoid along the cross section of described battery connecting piece thickness direction.
Preferably, described the first support protrusion portion and described the second support protrusion portion are isosceles trapezoid along the cross section of described battery connecting piece thickness direction.
Preferably, described battery connecting piece is ferrochrome connector.
A solid-oxide fuel cell stack, comprises at least two Solid Oxide Fuel Cell and is arranged in the battery connecting piece between adjacent two described Solid Oxide Fuel Cell, described battery connecting piece is the battery connecting piece described in above-mentioned any one.
In technique scheme, the battery connecting piece of solid-oxide fuel cell stack provided by the invention, the both sides of battery connecting piece are furnished with respectively the first support protrusion portion and the second support protrusion portion, between two adjacent the first support protrusion portions, form first flow district, between two adjacent the second support protrusion portions, form the second flow path area, the first support protrusion portion and the second flow path area are symmetrically arranged in battery connecting piece both sides.Battery connecting piece is for separating two adjacent Solid Oxide Fuel Cell.
Known by foregoing description, in the battery connecting piece of solid-oxide fuel cell stack provided by the invention, because the first support protrusion portion and the second flow path area are symmetrically arranged in battery connecting piece both sides, so the second support protrusion Bu He first flow district is symmetrically arranged in battery connecting piece both sides, in above-mentioned background technology, first flow district and the thinner situation of the second flow path area correspondence position on battery connecting piece, effectively increase the thickness of the thinner position of battery connecting piece, effectively extended the useful life of battery connecting piece.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional solid-oxide fuel cell stack;
Fig. 2 is the structural representation of traditional battery connecting piece;
The structural representation of the first battery connecting piece that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the second battery connecting piece that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the third battery connecting piece that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the three hole battery connecting pieces that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 is that three hole battery connecting pieces shown in Fig. 6 are along the structural representation of A-A direction;
The front view of the two hole battery connecting pieces that Fig. 8 provides for the embodiment of the present invention;
Fig. 9 is the dorsal view of two hole battery connecting pieces shown in Fig. 8;
The structural representation of the four hole battery connecting pieces that Figure 10 provides for the embodiment of the present invention;
The structural representation of the solid-oxide fuel cell stack that Figure 11 provides for the embodiment of the present invention.
Wherein in Fig. 1-11: 01-battery connecting piece, 011-the first support protrusion portion, 012-the second support protrusion portion, 013-first flow district, 014-the second flow path area, 02-Solid Oxide Fuel Cell, 021-cathode layer, 022-solid oxide electrolyte floor, 023-anode layer;
1-battery connecting piece, 11-the first support protrusion portion, 12-the second support protrusion portion, 13-first flow district, 14-the second flow path area, 15-air intlet, 16-air outlet slit, 17-fuel inlet, 18-fuel outlet, 19-transition connecting portion, 2-Solid Oxide Fuel Cell, 21-cathode layer, 22-solid oxide electrolyte floor, 23-anode layer.
Embodiment
Core of the present invention is to provide a kind of battery connecting piece of solid-oxide fuel cell stack, and extended the useful life of this battery connecting piece.Another core of the present invention is to provide a kind of solid-oxide fuel cell stack that comprises above-mentioned battery connecting piece.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 3 to Figure 11, in a kind of embodiment, the battery connecting piece of solid-oxide fuel cell stack provided by the invention, on battery connecting piece 1, offer air intlet 15, air outlet slit 16, fuel inlet 17 and fuel outlet 18, battery connecting piece 1 is specifically as follows two hole battery connecting pieces, three hole battery connecting pieces or four hole battery connecting pieces etc., the both sides of battery connecting piece 1 are furnished with respectively the first support protrusion portion 11 and the second support protrusion portion 12, between two adjacent the first support protrusion portions 11, form first flow district 13, between two adjacent the second support protrusion portions 12, form the second flow path area 14, the first support protrusion portion 11 and the second flow path area 14 are symmetrically arranged in battery connecting piece 1 both sides, the second support protrusion Bu12He first flow district 14 is also symmetrically arranged in battery connecting piece 1 both sides, wherein on battery connecting piece 1, the first support protrusion portion 11 and the second flow path area 14 are also can part asymmetric.
As shown in Figures 2 and 3, in order to improve the intensity of the transition region of the first support protrusion portion 11 and the second support protrusion portion 12, the present invention is preferred, between the top of the top of the first support protrusion portion 11 and the second support protrusion portion 12, be provided with transition connecting portion 19, by being set, transition connecting portion 19 can make first flow district 13 and the second flow path area 14 form various shape, and make the top transition of top to the second support protrusion portion 12 of the first support protrusion portion 11 comparatively mild, be convenient to battery connecting piece 1 moulding.For the ease of staff, process battery connecting piece 1, transition connecting portion 19 is provided with transition platform, when the top of the first support protrusion portion 11, the top of the second support protrusion portion 12, first flow district 13 bottom lands and the second flow path area 14 bottom lands while being plane, the present invention is preferred, and the top of the plane of transition platform, the first support protrusion portion 11, the top of the second support protrusion portion 12, first flow district 13 bottom lands are parallel with the second flow path area 14 bottom lands.Battery connecting piece 1 can be made by metal material.
For guarantee good conductivity, thermal stability and with Solid Oxide Fuel Cell 2 matched coefficients of thermal expansion, the present invention is preferred, battery connecting piece 1 is ferrochrome connector, concrete, it is good that the content of chromium surpasses 80%.First flow district 13 in battery connecting piece 1 and the second flow path area 14 integral body can be arranged for point-like, can are also arranged in strips.
Battery connecting piece 1 separates two adjacent Solid Oxide Fuel Cell 2.Fuel and air are assigned to anode and the negative electrode of every one deck Solid Oxide Fuel Cell 2 by air admission hole, and participate in electrochemical reaction.The battery connecting piece 1 contacting with the cathode layer 21 of Solid Oxide Fuel Cell 2 is connected and conducts electricity with the cathode layer 21 of Solid Oxide Fuel Cell 2 by the first support protrusion portion 11, and the second support protrusion portion 12 is connected and conducts electricity with the anode layer 23 of Solid Oxide Fuel Cell 2.There is electrochemical reaction for circulation of air and with cathode layer 21 in first flow district 13, the second flow path area 14, for fuel circulation and with anode layer 23, electrochemical reaction occurs.When the first support protrusion portion 11 is connected with anode layer 23, the second support protrusion portion 12 is connected with cathode layer 21.
Known by foregoing description, in the battery connecting piece 1 of solid-oxide fuel cell stack provided by the invention, because the first support protrusion portion 11 and the second flow path area 14 territories are symmetrically arranged in battery connecting piece 1 both sides, so the second support protrusion Bu12He first flow district 13 is symmetrically arranged in battery connecting piece 1 both sides, in above-mentioned background technology, first flow district 13 and the thinner situation of the second flow path area 14 correspondence positions on battery connecting piece 1, effectively increased the thickness of battery connecting piece 1 thinner position, battery connecting piece 1 is convenient to moulding, effectively extended the useful life of battery connecting piece 1.
Certainly, for the ease of battery connecting piece 1 moulding, first flow district 13 can be to opening direction flaring, and first flow district 13 can wholely be taper.Further, the second flow path area 14 is to opening direction flaring, and the second flow path area 14 can wholely be also taper.
For fear of battery connecting piece 1 situation that causes battery connecting piece 1 to damage in uneven thickness in use, preferred battery connector 1 each position thickness of the present invention is identical, has further extended the useful life of battery connecting piece 1.
A kind of solid-oxide fuel cell stack provided by the invention, comprise at least two Solid Oxide Fuel Cell 2 and be arranged in the battery connecting piece 1 between adjacent two Solid Oxide Fuel Cell 2, Solid Oxide Fuel Cell 2 comprises cathode layer 21, solid oxide electrolyte layer 22 and anode layer 23, and battery connecting piece 1 is above-mentioned any battery connecting piece 1.As shown in figure 11, in order to extend the useful life of solid-oxide fuel cell stack, the present invention is preferred, an adjacent company battery connecting piece 1, the first support protrusion portion 11 on one of them battery connecting piece 1 and the second support protrusion portion 12 on another battery connecting piece 1 are symmetrically arranged in the both sides of Solid Oxide Fuel Cell 2, effectively avoided Solid Oxide Fuel Cell 2 to bear the situation of monolateral lateral pressure or shearing force, Solid Oxide Fuel Cell 2 integral body are comparatively even.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753578.XA CN103700801A (en) | 2013-12-30 | 2013-12-30 | Solid oxide fuel cell stack and cell connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753578.XA CN103700801A (en) | 2013-12-30 | 2013-12-30 | Solid oxide fuel cell stack and cell connector thereof |
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| CN103700801A true CN103700801A (en) | 2014-04-02 |
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| CN201310753578.XA Pending CN103700801A (en) | 2013-12-30 | 2013-12-30 | Solid oxide fuel cell stack and cell connector thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105590980A (en) * | 2016-02-18 | 2016-05-18 | 协鑫集成科技股份有限公司 | Solar cell module and production method thereof |
| CN105932084A (en) * | 2016-05-06 | 2016-09-07 | 协鑫集成科技股份有限公司 | Solar battery pack and preparation method thereof |
| CN106549172A (en) * | 2016-11-02 | 2017-03-29 | 西安交通大学 | A kind of connector and preparation method of self sealss flat-plate solid oxidized fuel cell |
| CN108110272A (en) * | 2016-11-23 | 2018-06-01 | 中国科学院宁波材料技术与工程研究所 | High-temperature solid fuel cell unit of integral structure and preparation method thereof is collected with sealing and electronics |
| EP3471185A4 (en) * | 2016-06-10 | 2019-05-22 | Nissan Motor Co., Ltd. | FUEL CELL ASSEMBLY AND FUEL CELL ASSEMBLY ASSEMBLY |
| CN110336054A (en) * | 2019-03-20 | 2019-10-15 | 上海楞次新能源汽车科技有限公司 | Fuel cell hydrogen side pressure regulation device and battery based on pressure sensitive film |
| CN111834644A (en) * | 2020-07-24 | 2020-10-27 | 中国核动力研究设计院 | Solid oxide fuel cell connector structure and assembling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590980A (en) * | 2016-02-18 | 2016-05-18 | 协鑫集成科技股份有限公司 | Solar cell module and production method thereof |
| US10665729B2 (en) | 2016-02-18 | 2020-05-26 | Gcl System Integration Technology Co., Ltd. | Solar cell module and method for manufacturing the same technical field |
| CN105932084A (en) * | 2016-05-06 | 2016-09-07 | 协鑫集成科技股份有限公司 | Solar battery pack and preparation method thereof |
| CN105932084B (en) * | 2016-05-06 | 2018-04-03 | 协鑫集成科技股份有限公司 | Solar cell module and preparation method thereof |
| US11139486B2 (en) | 2016-06-10 | 2021-10-05 | Nissan Motor Co., Ltd. | Fuel cell stack having separators with protrusions |
| EP3471185A4 (en) * | 2016-06-10 | 2019-05-22 | Nissan Motor Co., Ltd. | FUEL CELL ASSEMBLY AND FUEL CELL ASSEMBLY ASSEMBLY |
| CN106549172B (en) * | 2016-11-02 | 2019-06-11 | 西安交通大学 | A kind of self-sealing flat solid oxide fuel cell connector and preparation method |
| CN106549172A (en) * | 2016-11-02 | 2017-03-29 | 西安交通大学 | A kind of connector and preparation method of self sealss flat-plate solid oxidized fuel cell |
| CN108110272A (en) * | 2016-11-23 | 2018-06-01 | 中国科学院宁波材料技术与工程研究所 | High-temperature solid fuel cell unit of integral structure and preparation method thereof is collected with sealing and electronics |
| CN108110272B (en) * | 2016-11-23 | 2021-04-30 | 中国科学院宁波材料技术与工程研究所 | High-temperature solid fuel cell pack with sealing and electron collecting integrated structure and preparation method thereof |
| CN110336054A (en) * | 2019-03-20 | 2019-10-15 | 上海楞次新能源汽车科技有限公司 | Fuel cell hydrogen side pressure regulation device and battery based on pressure sensitive film |
| CN110336054B (en) * | 2019-03-20 | 2021-08-17 | 上海楞次新能源汽车科技有限公司 | Fuel cell hydrogen side pressure adjusting device based on pressure sensing membrane and cell |
| CN111834644A (en) * | 2020-07-24 | 2020-10-27 | 中国核动力研究设计院 | Solid oxide fuel cell connector structure and assembling method thereof |
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Application publication date: 20140402 |