JPH01298647A - Cylindrical type solid electrolytic fuel cell - Google Patents
Cylindrical type solid electrolytic fuel cellInfo
- Publication number
- JPH01298647A JPH01298647A JP63129845A JP12984588A JPH01298647A JP H01298647 A JPH01298647 A JP H01298647A JP 63129845 A JP63129845 A JP 63129845A JP 12984588 A JP12984588 A JP 12984588A JP H01298647 A JPH01298647 A JP H01298647A
- Authority
- JP
- Japan
- Prior art keywords
- cell
- fuel
- cylindrical type
- cells
- cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 20
- 239000007787 solid Substances 0.000 title 1
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims abstract description 3
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 239000011195 cermet Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910002328 LaMnO3 Inorganic materials 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- BQENXCOZCUHKRE-UHFFFAOYSA-N [La+3].[La+3].[O-][Mn]([O-])=O.[O-][Mn]([O-])=O.[O-][Mn]([O-])=O Chemical compound [La+3].[La+3].[O-][Mn]([O-])=O.[O-][Mn]([O-])=O.[O-][Mn]([O-])=O BQENXCOZCUHKRE-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052963 cobaltite Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2425—High-temperature cells with solid electrolytes
- H01M8/243—Grouping of unit cells of tubular or cylindrical configuration
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、円筒型固体電解質燃料電池の改良に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to improvements in cylindrical solid electrolyte fuel cells.
［従来の技術と課題］
従来、円筒型固体電解質燃料電池（円筒型５ＯＦＣ）と
しては、円筒型の基体上に薄膜電池を構成したもの（前
者）、あるいは電池自体で円筒を構成したもの（後者）
等が知られている。以下、前者の電池について詳述する
。[Conventional Technologies and Issues] Conventionally, cylindrical solid electrolyte fuel cells (cylindrical 5OFC) have either a thin film battery formed on a cylindrical base (the former), or a cell formed into a cylinder itself (the latter). )
etc. are known. The former battery will be described in detail below.
図中の１は、多孔質からなる円筒型の支持管である。こ
の支持管１の上には、燃料極２．固体電解質３．空気極
４．及び燃料極３と空気極４を直接に接続するためのイ
ンタコネクタ５が配設されている。ここで、燃料極２は
、例えば還元されてＮ１に変化するＮｌ Ｏ単独もしく
はＮ１Ｏ−Ｚｒ０２のサーメットからなる。前記固体電
解質３は、例えばイツトリアで安定化されたジルコニア
（８ｍｏ１％Ｙ２０３ ｅＺｒ ０２）からなる。前記
空気極４は、亜マンガン酸ランタン（ＬａＭｎＯ３）や
亜コバルト酸ランタン（Ｌａ Ｃｏ ０３ ）からなる
。更に、インタコネクタ５は、例えば亜うンタン酸クロ
マイト（Ｌａ Ｃｒ ０３ ）などのセラミック材料や
、Ｎ１−Ａノ等の金属材料が用いられる。なお、こうし
た構造の円筒型５ＯＦＣ６は、第６図に示すように５Ｏ
ＦＣ外箱７に配列して用いられる。1 in the figure is a cylindrical support tube made of porous material. On top of this support tube 1 is a fuel electrode 2. Solid electrolyte 3. Air electrode4. And an interconnector 5 for directly connecting the fuel electrode 3 and the air electrode 4 is provided. Here, the fuel electrode 2 is made of, for example, a cermet of NlO alone or N1O-Zr02 which is reduced and changed to N1. The solid electrolyte 3 is made of, for example, yttria-stabilized zirconia (8 mo1% Y203 eZr 02). The air electrode 4 is made of lanthanum manganite (LaMnO3) or lanthanum cobaltite (La Co 03 ). Further, the interconnector 5 is made of a ceramic material such as chromite acetate (La Cr 03 ), or a metal material such as N1-A. Incidentally, the cylindrical 5OFC6 having such a structure is 5OFC6 as shown in FIG.
They are arranged and used in the FC outer box 7.
しかしながら、第５図の円筒型５ＯＦＣによれば、支持
管１に中空部があり、体積効率が低くなる。However, according to the cylindrical 5OFC shown in FIG. 5, the support tube 1 has a hollow portion, resulting in low volumetric efficiency.
本発明は上記事情に鑑みてなされたもので、従来と比べ
て体積効率を向上できると円筒型固体電解質燃料電池を
提供することを目的とする。The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a cylindrical solid electrolyte fuel cell that can improve volumetric efficiency compared to conventional ones.
［課題を解決するための手段と作用コ
本発明は、空気極、燃料極、電解質及びインタコネクタ
より円筒型の単位セルを構成し、このセルを多重管構造
にしたことを要旨とする。[Means and effects for solving the problem] The gist of the present invention is that a cylindrical unit cell is constructed from an air electrode, a fuel electrode, an electrolyte, and an interconnector, and that this cell has a multi-tube structure.
本発明によれば、こうした構成にすることにより、従来
の円筒型５ＯＦＣの一構成要素である基体管の中空部を
無駄なく利用し、体積効率を著しく向上できる。According to the present invention, by adopting such a configuration, the hollow portion of the base tube, which is a component of the conventional cylindrical 5OFC, can be utilized without waste, and the volumetric efficiency can be significantly improved.
［実施例］
以下、第１図〜第３図を参照して説明する。ここで、第
１図は本発明に係る円筒型５ＯＦＣの断面図、第２図は
第１図のＸ−Ｘ線に沿う断面図、第３図は同５ＯＦＣの
概略を示す斜視図である。[Example] Hereinafter, a description will be given with reference to FIGS. 1 to 3. Here, FIG. 1 is a sectional view of a cylindrical 5OFC according to the present invention, FIG. 2 is a sectional view taken along the line X--X in FIG. 1, and FIG. 3 is a perspective view schematically showing the 5OFC.
本発明に係る円筒型５ＯＦＣは、第３図に示す如く円筒
型単位セル１１と、この単位セル１１の内側に順次同心
状に配置されしかも該単位セル１１の径より小さい円筒
型単位セル１２．１３とから構成されている。前記単位
セル１１．１２゜１３は、夫々従来技術（第５図）で説
明した如く燃料極２．固体電解質３．空気極４．及び燃
料極２と空気極４を直接接続するためのインタコネクタ
５とから構成されている。ここで、燃料極２の厚みは例
えば１００ｐ〜１■で、その材質としては例えばＮｉ系
サーメット、ｃｏ系サーメット、純Ｎｉ、Ｇｏなどのも
のが用いられている。前記固体電解質３の材質としては
、例えばＹ Ｓ Ｚ （ＹｔｔｒｌａＳｔａｂｉｌｉｚ
ｅｄ Ｚｉｒｅｏｎｌａ） 、Ｃｅ系、Ｂｉ系等が挙げ
られ、極薄がよい。前記空気極４は厚さ１００゜〜１■
で、その材質は一般にペロブスカイト系結晶構造の酸化
物導電材を用いる。更に、インタコネクタ５は還元と同
時に酸化にも強い必要があり、Ｎｉ Ｃｒ 、Ｎｉ Ａ
ｉ、Ｆｅ ＮＩ Ｃｏなど耐熱、耐酸化合金の他、Ｌａ
Ｃｒ Ｏ等の酸還元性の強いペロブスカイトも用いら
れる。As shown in FIG. 3, the cylindrical 5OFC according to the present invention includes a cylindrical unit cell 11, a cylindrical unit cell 12. It consists of 13. The unit cells 11, 12 and 13 each have a fuel electrode 2. Solid electrolyte 3. Air electrode4. and an interconnector 5 for directly connecting the fuel electrode 2 and the air electrode 4. Here, the thickness of the fuel electrode 2 is, for example, 100p to 1cm, and its material is, for example, Ni-based cermet, Co-based cermet, pure Ni, Go, or the like. As the material of the solid electrolyte 3, for example, Y S Z (Yttrla Stabiliz
ed Zireonla), Ce-based, Bi-based, etc., and ultra-thin ones are preferable. The air electrode 4 has a thickness of 100° to 1 cm.
The material is generally an oxide conductive material with a perovskite crystal structure. Furthermore, the interconnector 5 must be resistant to both reduction and oxidation;
In addition to heat-resistant and oxidation-resistant alloys such as i, Fe NI Co, La
Perovskites with strong acid-reducing properties such as Cr 2 O are also used.
前記単位セル１１と単位セル１２間、及び単位セル１３
の内側には、燃料供給管１４から送給された燃料ガス（
Ｆ）が通るようになっている。また、前記単位セル１２
と単位セル１３間には、空気供給管１５から送給された
空気（Ａ）が通るようになっている。なお、図中の１６
はリード、１７は絶縁気密質を示す。Between the unit cell 11 and the unit cell 12, and the unit cell 13
Inside the fuel gas (
F) is now allowed to pass. Further, the unit cell 12
Air (A) supplied from the air supply pipe 15 passes between the unit cell 13 and the unit cell 13 . In addition, 16 in the figure
17 indicates a lead, and 17 indicates an airtight insulation.
しかして、上記実施例に係る円筒型５ＯＦＣによれば、
円筒型単位セル１１の内側に該単位セル１１より径が小
さい円筒型単位セル１２．１３を夫々順次同心円状に配
設して積層した構造となっているため、次に挙げる効果
を有する。According to the cylindrical 5OFC according to the above embodiment,
The structure is such that cylindrical unit cells 12 and 13 having a diameter smaller than that of the unit cell 11 are successively arranged concentrically and stacked inside the cylindrical unit cell 11, so that the following effects are achieved.
■単一円筒型５ＯＦＣと比べ、従来の支持管内の無駄な
スペースを有効に利用でき、同一体積中に電池有効面積
を同一もしくはそれ以上にすることができる。■Compared to a single cylindrical 5OFC, the wasted space within the conventional support tube can be used effectively, and the effective battery area can be made the same or larger in the same volume.
■各単位セル１１〜１３間を適宜接続することにより、
発電電圧の調製が容易になる。■By appropriately connecting each unit cell 11 to 13,
It becomes easier to adjust the power generation voltage.
■電池の劣化、破損が生じた場合、各単位セル１１〜１
３のいずれかを交換するだけでよいため、メンテナンス
がよい。■If the battery deteriorates or is damaged, each unit cell 11 to 1
Maintenance is good because you only need to replace one of 3.
また、上記実施例に係る円筒型５ＯＦＣ１８を第４図に
示す如く、５ＯＦＣ外箱６に千鳥状に配列することによ
り、無駄なスペースが少なくなり、体積効率を一層上げ
ることができる。具体的には、２０個の円筒型５ＯＦＣ
（多重管）を千鳥状に配置した場合の体積利用率は２，
３倍であり、３個の多重管を配置した場合でも２倍の体
積利用率となる。Further, by arranging the cylindrical 5OFCs 18 according to the above embodiment in a staggered manner in the 5OFC outer box 6 as shown in FIG. 4, wasted space can be reduced and volumetric efficiency can be further increased. Specifically, 20 cylindrical 5OFCs
The volume utilization rate when (multiple pipes) are arranged in a staggered manner is 2,
3 times, and even when three multiplexed pipes are arranged, the volume utilization rate is doubled.
なお、上記実施例では、最外側の単位セルが支持管を有
しない構造である場合について述べたが、これに限定さ
れるものではない。In addition, in the above embodiment, a case was described in which the outermost unit cell had a structure without a support tube, but the structure is not limited to this.
［発明の効果］
以上詳述した如く本発明によれば、従来と比べ体積効率
を著しく向上し得る効率の良い円筒型５ＯＦＣを提供で
きる。[Effects of the Invention] As detailed above, according to the present invention, it is possible to provide an efficient cylindrical 5OFC that can significantly improve volumetric efficiency compared to the conventional one.
第１図は本発明の一実施例に係る円筒型５ＯＦＣの断面
図、第２図は第１図のＸ−Ｘ線に沿う断面図、第３図は
同５ＯＦＣの概略を示す斜視図、第４図は同５ＯＦＣを
外箱に千鳥状に配置した場合の説明図、第５図は従来の
円筒型５ＯＦＣの説明図、第６図は同５ＯＦＣを外箱に
配置した場合の説明図である。
２・・・燃料極、３・・・固体電解質、４・・・空気極
、１１〜１３・・・単位セル、１４・・・燃料供給管、
１５・・・空気供給管、１６・・・リード、１７・・・
絶縁気密質、１８・・・円筒型５ＯＦＣ。
出願人代理人 弁理士 鈴江武彦
第１図
第２図
１３ ｇ ３図
ｐ
擾
汀１番１号 三菱重工業株式会社長崎
朱式会社内FIG. 1 is a sectional view of a cylindrical 5OFC according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line X-X in FIG. 1, and FIG. 3 is a perspective view schematically showing the 5OFC. Figure 4 is an explanatory diagram of the same 5OFC arranged in a staggered manner in the outer box, Figure 5 is an explanatory diagram of a conventional cylindrical 5OFC, and Figure 6 is an explanatory diagram of the same 5OFC arranged in the outer box. . 2...Fuel electrode, 3...Solid electrolyte, 4...Air electrode, 11-13...Unit cell, 14...Fuel supply pipe,
15... Air supply pipe, 16... Lead, 17...
Insulating and airtight, 18...Cylindrical 5OFC. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 2 Figure 13 g Figure 3 p No. 1, No. 1, Hanting, Mitsubishi Heavy Industries, Ltd. Nagasaki Shushiki Company
Claims (1)
の単位セルを構成し、このセルを多重管構造にしたこと
を特徴とする円筒型固体電解質燃料電池。A cylindrical solid electrolyte fuel cell characterized in that a cylindrical unit cell is constituted by an air electrode, a fuel electrode, an electrolyte, and an interconnector, and the cell has a multi-tube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63129845A JPH01298647A (en) | 1988-05-27 | 1988-05-27 | Cylindrical type solid electrolytic fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63129845A JPH01298647A (en) | 1988-05-27 | 1988-05-27 | Cylindrical type solid electrolytic fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01298647A true JPH01298647A (en) | 1989-12-01 |
Family
ID=15019658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63129845A Pending JPH01298647A (en) | 1988-05-27 | 1988-05-27 | Cylindrical type solid electrolytic fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01298647A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004093235A1 (en) * | 2003-04-10 | 2004-10-28 | University Of Connecticut | Solid state electrochemical devices |
| FR2877498A1 (en) * | 2004-11-02 | 2006-05-05 | Commissariat Energie Atomique | FUEL CELL MODULE, MANUFACTURING METHOD THEREOF, AND MULTIPLE CONTAINING UNIT. |
| FR2877496A1 (en) * | 2004-11-02 | 2006-05-05 | Commissariat Energie Atomique | FUEL CELL MODULE WITH FLEXIBLE INTERCONNECTORS. |
| EP1837943A1 (en) * | 2006-03-24 | 2007-09-26 | Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Solid oxide fuel cell of multiple tabular electrodes |
| JP2009512975A (en) * | 2005-10-19 | 2009-03-26 | コミツサリア タ レネルジー アトミーク | Tubular fuel cell module and device for sealing the same |
| US7674543B2 (en) | 2005-11-08 | 2010-03-09 | Institute Of Nuclear Energy Research Atomic Energy Council | Solid oxide fuel cell of multiple tubular electrodes |
| CN105810980A (en) * | 2016-03-25 | 2016-07-27 | 山西大学 | Assembly method for battery pile of tubular solid oxide fuel cell |
-
1988
- 1988-05-27 JP JP63129845A patent/JPH01298647A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004093235A1 (en) * | 2003-04-10 | 2004-10-28 | University Of Connecticut | Solid state electrochemical devices |
| JP2008519391A (en) * | 2004-11-02 | 2008-06-05 | コミツサリア タ レネルジー アトミーク | Fuel cell module with flexible interconnect |
| FR2877496A1 (en) * | 2004-11-02 | 2006-05-05 | Commissariat Energie Atomique | FUEL CELL MODULE WITH FLEXIBLE INTERCONNECTORS. |
| WO2006048574A1 (en) * | 2004-11-02 | 2006-05-11 | Commissariat A L'energie Atomique | Fuel cell module, method for the production thereof and a unit comprises a number thereof |
| WO2006048573A1 (en) * | 2004-11-02 | 2006-05-11 | Commissariat A L'energie Atomique | Fuel cell module provided with flexible interconnectors |
| FR2877498A1 (en) * | 2004-11-02 | 2006-05-05 | Commissariat Energie Atomique | FUEL CELL MODULE, MANUFACTURING METHOD THEREOF, AND MULTIPLE CONTAINING UNIT. |
| JP2008519392A (en) * | 2004-11-02 | 2008-06-05 | コミツサリア タ レネルジー アトミーク | FUEL CELL MODULE, MANUFACTURING METHOD THEREOF, AND UNIT INCLUDING MULTIPLE MODULES |
| US7887959B2 (en) | 2004-11-02 | 2011-02-15 | Commissariat A L'energie Atomique | Fuel cell module with flexible interconnects |
| US8709675B2 (en) | 2004-11-02 | 2014-04-29 | Commissariat A L'energie Atomique | Fuel cell module, manufacturing method thereof and unit containing several of the latter |
| JP2009512975A (en) * | 2005-10-19 | 2009-03-26 | コミツサリア タ レネルジー アトミーク | Tubular fuel cell module and device for sealing the same |
| US7674543B2 (en) | 2005-11-08 | 2010-03-09 | Institute Of Nuclear Energy Research Atomic Energy Council | Solid oxide fuel cell of multiple tubular electrodes |
| EP1837943A1 (en) * | 2006-03-24 | 2007-09-26 | Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Solid oxide fuel cell of multiple tabular electrodes |
| CN105810980A (en) * | 2016-03-25 | 2016-07-27 | 山西大学 | Assembly method for battery pile of tubular solid oxide fuel cell |
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