JPH0513090A - Solid electrolyte fuel cell - Google Patents
Solid electrolyte fuel cellInfo
- Publication number
- JPH0513090A JPH0513090A JP3185422A JP18542291A JPH0513090A JP H0513090 A JPH0513090 A JP H0513090A JP 3185422 A JP3185422 A JP 3185422A JP 18542291 A JP18542291 A JP 18542291A JP H0513090 A JPH0513090 A JP H0513090A
- Authority
- JP
- Japan
- Prior art keywords
- solid electrolyte
- fuel
- electrode
- fuel cell
- current collector
- 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
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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
-
- 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
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
-
- 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
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0252—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form tubular
-
- 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
-
- 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
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
-
- 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
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0215—Glass; Ceramic materials
-
- 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
【0001】[0001]
【産業上の利用分野】本発明は固体電解質燃料電池に関
するもので、さらに詳しく言えば、容易に高電圧化を図
ることができる固体電解質燃料電池の構造に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid electrolyte fuel cell, and more particularly to a structure of a solid electrolyte fuel cell capable of easily increasing the voltage.
【0002】[0002]
【従来の技術】固体電解質燃料電池としては、リン酸型
燃料電池、溶融炭酸塩型燃料電池と類似した構造の平板
型、米国のアルゴンヌ国立研究所によって提案されたモ
ノリシック型、日本の電子技術総合研究所によって開発
中の円筒多素子型、米国のウェスティングハウス社によ
って提案された円筒単素子型が知られているが、現在は
高温におけるガスシールの容易さ、スタック構成の容易
さの点でウェスティングハウス社の円筒単素子型が注目
されている。2. Description of the Related Art Solid electrolyte fuel cells include phosphoric acid fuel cells, flat-plate fuel cells having a structure similar to molten carbonate fuel cells, monolithic fuel cells proposed by Argonne National Laboratory in the United States, and Japanese electronic technology comprehensive. The cylindrical multi-element type being developed by the laboratory and the cylindrical single-element type proposed by Westinghouse, Inc. in the United States are known, but at the present time, Westin is easy to gas seal at high temperature and easy to construct a stack. Guhouse's cylindrical single element type is receiving attention.
【0003】このような固体電解質燃料電池では、図4
のように、内側の電極11にインターコネクター部21
を設け、このインターコネクター部21を他の電池の外
側の電極32に接続して高電圧化を図っているものが知
られている。In such a solid electrolyte fuel cell, as shown in FIG.
As shown in FIG.
It is known that the interconnector portion 21 is provided and is connected to the outer electrode 32 of another battery to increase the voltage.
【0004】一方、円筒管状の開口部に内側の電極の集
電体を設け、他端に外側の電極の集電体を設けて同極同
士を接続して集合電池とし、この集合電池を直列に接続
して高電圧化を図っているものも知られている。On the other hand, a current collector for the inner electrode is provided in the cylindrical tubular opening, and a current collector for the outer electrode is provided at the other end to connect the same poles to each other to form an assembled battery. It is also known that the device is connected to the device to increase the voltage.
【0005】[0005]
【発明が解決しようとする課題】上記図4のようなイン
ターコネクター部21を設けることは、電池の構造が複
雑になるだけでなく、燃料や空気のリークの原因になる
という問題を有していた。The provision of the interconnector portion 21 as shown in FIG. 4 not only complicates the structure of the battery but also causes the leakage of fuel and air. It was
【0006】また、円筒管状の開口部に、内側の電極の
集電体を設けた構造にすると、内側の電極11からの集
電経路が長くなって電圧が低下するという問題を有して
いた。Further, when the current collector of the inner electrode is provided in the cylindrical tubular opening, the current collecting path from the inner electrode 11 becomes long and the voltage drops. .
【0007】[0007]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、円筒管状の燃料極と、この燃料極の表面
に設けられた固体電解質膜と、この固体電解質膜の表面
に設けられた空気極とからなり、前記空気極の表面に、
正極集電体が取り付けられた空気導入管を設け、かつ前
記燃料極の表面に負極集電体を設けるとともに、その内
部に、導電性金属または導電性セラミックスからなる燃
料導入管を挿入し、この燃料導入管を前記負極集電体に
接続したことを特徴とするものである。In order to solve the above problems, the present invention provides a cylindrical tubular fuel electrode, a solid electrolyte membrane provided on the surface of the fuel electrode, and a solid electrolyte membrane provided on the surface of the solid electrolyte membrane. And an air electrode on the surface of the air electrode,
An air introducing pipe having a positive electrode current collector attached thereto is provided, and a negative electrode current collector is provided on the surface of the fuel electrode, and a fuel introducing pipe made of a conductive metal or a conductive ceramics is inserted thereinto. The fuel introducing pipe is connected to the negative electrode current collector.
【0008】[0008]
【作用】上記のように、本発明は、燃料極の内部に導電
性金属または導電性セラミックスからなる燃料導入管を
挿入しているので、燃料極の集電経路における電圧降下
を小さくすることができる。As described above, according to the present invention, since the fuel introducing pipe made of conductive metal or conductive ceramics is inserted inside the fuel electrode, the voltage drop in the current collecting path of the fuel electrode can be reduced. it can.
【0009】また、前記燃料導入管を導電性セラミック
ス製のものにすると、その触媒作用によって内部改質反
応を促進し、変換効率を高めることができる。Further, when the fuel introducing pipe is made of conductive ceramics, the internal reforming reaction can be promoted by its catalytic action and the conversion efficiency can be enhanced.
【0010】[0010]
【実施例】図1は、本発明の固体電解質燃料電池の断面
図である。EXAMPLE FIG. 1 is a sectional view of a solid electrolyte fuel cell of the present invention.
【0011】図2は、前記固体電解質燃料電池によって
構成した集合電池の構成図である。FIG. 2 is a block diagram of an assembled battery constituted by the solid electrolyte fuel cell.
【0012】図3は、前記集合電池の直列接続体の斜視
図である。FIG. 3 is a perspective view of a series connection body of the assembled battery.
【0013】本発明の特徴は、図1のように、円筒管状
の燃料極1と、この燃料極1の表面に設けられた固体電
解質膜2と、この固体電解質膜2の表面に設けられた空
気極3とからなり、前記空気極3の表面に正極集電体4
が取り付けられた空気導入管5を設け、かつ前記燃料極
1の表面に負極集電体6を設けるとともに、その内部に
燃料導入管7を挿入し、この燃料導入管7を前記負極集
電体6に接続したものである。As shown in FIG. 1, the present invention is characterized in that a cylindrical tubular fuel electrode 1, a solid electrolyte membrane 2 provided on the surface of the fuel electrode 1, and a surface of the solid electrolyte membrane 2 are provided. An air electrode 3, and a positive electrode current collector 4 on the surface of the air electrode 3.
Is provided, and a negative electrode current collector 6 is provided on the surface of the fuel electrode 1, and a fuel introduction pipe 7 is inserted therein, and the fuel introduction pipe 7 is connected to the negative electrode current collector. 6 is connected.
【0014】なお、前記燃料極1の内部にニッケルまた
はステンレスのような導電性金属からなるウェブ15を
充填すると、電圧の低下を抑制することができ、特性を
向上させることができる。By filling the inside of the fuel electrode 1 with the web 15 made of a conductive metal such as nickel or stainless, it is possible to suppress a decrease in voltage and improve the characteristics.
【0015】また、前記燃料導入管7をニッケルまたは
ステンレスのような導電性金属にすると、電圧の低下を
抑制することができ、ニッケル−ジルコニアサーメット
またはコバルト−ジルコニアサーメットのような導電性
セラミックスにすると、その触媒作用によって内部改質
反応を促進させることができる。If the fuel introducing pipe 7 is made of a conductive metal such as nickel or stainless, it is possible to suppress the voltage drop, and if it is made of a conductive ceramic such as nickel-zirconia cermet or cobalt-zirconia cermet. The internal reforming reaction can be promoted by its catalytic action.
【0016】そして、前記正極集電体4同士、負極集電
体6同士を接続し、正極集電体4側を空気室8、負極集
電体6側を燃料室9とした導電性の電池ケース10に収
納して集合電池とする。The positive electrode current collectors 4 are connected to each other and the negative electrode current collectors 6 are connected to each other, and the positive electrode current collector 4 side is an air chamber 8 and the negative electrode current collector 6 side is a fuel chamber 9. It is housed in the case 10 to form an assembled battery.
【0017】前記空気室8と燃料室9との間は絶縁用碍
子20によって絶縁されるとともに、空気室8には空気
入口81と空気出口82とが設けられ、燃料室9には燃
料入口91と燃料出口92とが設けられている。The air chamber 8 and the fuel chamber 9 are insulated from each other by an insulating insulator 20, the air chamber 8 is provided with an air inlet 81 and an air outlet 82, and the fuel chamber 9 is provided with a fuel inlet 91. And a fuel outlet 92 are provided.
【0018】こうして得られた集合電池を作動温度であ
る700℃から1000℃に昇温し、空気室8に空気
を、燃料室9に燃料を供給するとともに、空気室8と燃
料室9とを外部回路に接続すると、内部改質反応によっ
て空気室8を正極、燃料室9を負極とした起電力が生
じ、電池としての作用がなされる。The assembled battery thus obtained is heated from an operating temperature of 700 ° C. to 1000 ° C., air is supplied to the air chamber 8 and fuel is supplied to the fuel chamber 9, and the air chamber 8 and the fuel chamber 9 are separated from each other. When connected to an external circuit, an electromotive force is generated by the internal reforming reaction with the air chamber 8 as a positive electrode and the fuel chamber 9 as a negative electrode, thereby acting as a battery.
【0019】上記の如き集合電池の直列接続体は、図3
のように、各集合電池の燃料室と空気室とを接触させて
積層するとともに、空気入口81同士、空気出口82同
士、燃料入口91同士、燃料出口92同士をそれぞれ外
部で接続することによって構成することができる。The series connection body of the assembled battery as described above is shown in FIG.
As described above, the fuel chamber and the air chamber of each assembled cell are brought into contact with each other to be laminated, and the air inlets 81, the air outlets 82, the fuel inlets 91, and the fuel outlets 92 are externally connected to each other. can do.
【0020】[0020]
【発明の効果】上記した如く、本発明は容易に高電圧化
を図ることができ、また電圧の低下も抑制することがで
きる固体電解質燃料電池を得ることができる。As described above, according to the present invention, it is possible to easily obtain a high voltage and to obtain a solid electrolyte fuel cell capable of suppressing a decrease in voltage.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明の固体電解質燃料電池の断面図である。FIG. 1 is a sectional view of a solid oxide fuel cell of the present invention.
【図2】図1の固体電解質燃料電池によって構成した集
合電池の構成図である。FIG. 2 is a configuration diagram of an assembled battery configured by the solid electrolyte fuel cell of FIG.
【図3】図2の集合電池の直列接続体の斜視図である。FIG. 3 is a perspective view of a series connection body of the assembled battery of FIG.
【図4】従来の固体電解質燃料電池の直列接続体の断面
図である。FIG. 4 is a cross-sectional view of a series-connected body of a conventional solid oxide fuel cell.
1 燃料極 2 固体電解質膜 3 空気極 4 正極集電体 5 空気導入管 6 負極集電体 7 燃料導入管 8 空気室 9 燃料室 10 電池ケース 15 ウェブ 20 絶縁用碍子 1 fuel pole 2 Solid electrolyte membrane 3 air electrode 4 Positive electrode current collector 5 Air introduction pipe 6 Negative electrode current collector 7 Fuel introduction pipe 8 air chambers 9 Fuel chamber 10 battery case 15 Web 20 Insulator for insulation
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成3年8月19日[Submission date] August 19, 1991
【手続補正1】[Procedure Amendment 1]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図1[Name of item to be corrected] Figure 1
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図1】 [Figure 1]
【手続補正2】[Procedure Amendment 2]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図4[Name of item to be corrected] Fig. 4
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図4】 [Figure 4]
Claims (4)
に設けられた固体電解質膜と、この固体電解質膜の表面
に設けられた空気極とからなり、前記空気極の表面に、
正極集電体が取り付けられた空気導入管を設け、かつ前
記燃料極の表面に負極集電体を設けるとともに、その内
部に、導電性金属または導電性セラミックスからなる燃
料導入管を挿入し、この燃料導入管を前記負極集電体に
接続したことを特徴とする固体電解質燃料電池。1. A cylindrical tubular fuel electrode, a solid electrolyte membrane provided on the surface of the fuel electrode, and an air electrode provided on the surface of the solid electrolyte membrane, the surface of the air electrode comprising:
An air introducing pipe having a positive electrode current collector attached thereto is provided, and a negative electrode current collector is provided on the surface of the fuel electrode, and a fuel introducing pipe made of a conductive metal or a conductive ceramics is inserted thereinto. A solid electrolyte fuel cell in which a fuel introduction pipe is connected to the negative electrode current collector.
ブを充填したことを特徴とする請求項第1項記載の固体
電解質燃料電池。2. The solid electrolyte fuel cell according to claim 1, wherein the inside of the fuel electrode is filled with a web made of a conductive metal.
スであることを特徴とする請求項第1項または第2項記
載の固体電解質燃料電池。3. The solid electrolyte fuel cell according to claim 1 or 2, wherein the conductive metal is nickel or stainless steel.
コニアサーメットまたはコバルト−ジルコニアサーメッ
トであることを特徴とする請求項第1項記載の固体電解
質燃料電池。4. The solid electrolyte fuel cell according to claim 1, wherein the conductive ceramics is nickel-zirconia cermet or cobalt-zirconia cermet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3185422A JPH0513090A (en) | 1991-06-28 | 1991-06-28 | Solid electrolyte fuel cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3185422A JPH0513090A (en) | 1991-06-28 | 1991-06-28 | Solid electrolyte fuel cell |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0513090A true JPH0513090A (en) | 1993-01-22 |
Family
ID=16170515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3185422A Pending JPH0513090A (en) | 1991-06-28 | 1991-06-28 | Solid electrolyte fuel cell |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0513090A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003100881A2 (en) * | 2002-05-23 | 2003-12-04 | Alberta Research Council Inc. | Solid oxide fuel cell system |
JP2005158532A (en) * | 2003-11-26 | 2005-06-16 | Kyocera Corp | Cell of fuel cell, cell stack, and fuel cell |
JP2007066546A (en) * | 2005-08-29 | 2007-03-15 | Hitachi Ltd | Cylindrical fuel cell |
EP2063479A1 (en) * | 2006-09-15 | 2009-05-27 | Toto Ltd. | Fuel battery cell body, fuel battery cell unit, fuel battery cell stack, and fuel battery containing them |
US7817409B2 (en) | 2007-04-23 | 2010-10-19 | Fujitsu Limited | Electronic apparatus |
-
1991
- 1991-06-28 JP JP3185422A patent/JPH0513090A/en active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7235321B2 (en) | 2002-05-23 | 2007-06-26 | Alberta Research Council, Inc. | Solid oxide fuel cell system |
WO2003100881A3 (en) * | 2002-05-23 | 2005-05-19 | Alberta Res Council | Solid oxide fuel cell system |
EP1760818A2 (en) * | 2002-05-23 | 2007-03-07 | Alberta Research Council, Inc. | Solid oxide fuel cell system |
EP1760818A3 (en) * | 2002-05-23 | 2007-05-16 | Alberta Research Council, Inc. | Solid oxide fuel cell system |
WO2003100881A2 (en) * | 2002-05-23 | 2003-12-04 | Alberta Research Council Inc. | Solid oxide fuel cell system |
JP2005158532A (en) * | 2003-11-26 | 2005-06-16 | Kyocera Corp | Cell of fuel cell, cell stack, and fuel cell |
JP2007066546A (en) * | 2005-08-29 | 2007-03-15 | Hitachi Ltd | Cylindrical fuel cell |
JP4537292B2 (en) * | 2005-08-29 | 2010-09-01 | 株式会社日立製作所 | Cylindrical fuel cell |
EP2063479A1 (en) * | 2006-09-15 | 2009-05-27 | Toto Ltd. | Fuel battery cell body, fuel battery cell unit, fuel battery cell stack, and fuel battery containing them |
US20120094217A1 (en) * | 2006-09-15 | 2012-04-19 | Toto Ltd. | Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them |
EP2063479A4 (en) * | 2006-09-15 | 2012-08-08 | Toto Ltd | Fuel battery cell body, fuel battery cell unit, fuel battery cell stack, and fuel battery containing them |
US8298717B2 (en) | 2006-09-15 | 2012-10-30 | Toto Ltd. | Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them |
US7817409B2 (en) | 2007-04-23 | 2010-10-19 | Fujitsu Limited | Electronic apparatus |
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