JPH06251785A - Plate type fuel cell - Google Patents

Plate type fuel cell

Info

Publication number
JPH06251785A
JPH06251785A JP5038254A JP3825493A JPH06251785A JP H06251785 A JPH06251785 A JP H06251785A JP 5038254 A JP5038254 A JP 5038254A JP 3825493 A JP3825493 A JP 3825493A JP H06251785 A JPH06251785 A JP H06251785A
Authority
JP
Japan
Prior art keywords
cell plate
cell
plate
holder
air electrode
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.)
Withdrawn
Application number
JP5038254A
Other languages
Japanese (ja)
Inventor
Fumio Umemura
文夫 梅村
Koji Amano
耕治 天野
Yasushi Watanabe
恭史 渡辺
Junichi Kanzaki
潤一 神前
Tatsuo Kahata
達雄 加幡
Seiji Takatsuki
誠治 高月
Osao Kudome
長生 久留
Nobuaki Murakami
信明 村上
Yoshiaki Inoue
好章 井上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Electric Power Co Inc, Mitsubishi Heavy Industries Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP5038254A priority Critical patent/JPH06251785A/en
Publication of JPH06251785A publication Critical patent/JPH06251785A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Fuel Cell (AREA)

Abstract

PURPOSE:To provide a structure having more excellent differential pressure resistance than usual by improving sealing performance. CONSTITUTION:A plate type fuel cell has a cell plate 21 formed by installing an air electrode 22 and a fuel electrode 24 on both surfaces and a cell plate holder 27 to receive this cell plate 21. The peripheral end upper part of the cell plate 21 is made thick, and a projecting part 21b is arranged in the peripheral end under part, and the whole cross-sectional shape is formed in an H shape, and a groove part 28 in which the projecting part 21b of the cell plate 21 is fitted is arranged in the cell plate holder 27, and a sealing material 26 is filled in this groove part.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は平板型燃料電池に関し、
特に平板状セルプレートの周縁部に改良を施してシール
性を向上させた平板型固体電解質燃料電池に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat plate fuel cell,
In particular, the present invention relates to a flat plate type solid electrolyte fuel cell in which the sealing property is improved by improving the peripheral portion of the flat plate cell plate.

【0002】[0002]

【従来の技術】従来、平板型固体電解質燃料電池(以
下、平板型SOFCと呼ぶ)としては、図1に示す構造
のものが知られている。
2. Description of the Related Art Conventionally, a flat-plate solid electrolyte fuel cell (hereinafter referred to as a flat-plate SOFC) having a structure shown in FIG. 1 is known.

【0003】図中の符号1は、平板セルプレートを示
す。このセルプレート1の上下の面には、空気極2,燃
料極3が取り付けられている。こうしたセルプレート1
の空気極側には空気側集電体4が配置され、燃料極側に
は燃料側集電体5が配置されている。これらの各部材
は、上下からセラミック製のセルホルダー6により挟み
込まれている。前記セルプレート1の周縁部は、断面形
状がL型のセルプレートホルダー7との間にシール材8
を施してシール性を保たせる構造になっている。また、
前記燃料側集電体5の下側にはインタコネクタ9が配置
され、このインタコネクター9はインターコネクタホル
ダー10との間にシール材8を施してシール性を保たせる
構造になっている。
Reference numeral 1 in the drawing indicates a flat cell plate. An air electrode 2 and a fuel electrode 3 are attached to the upper and lower surfaces of the cell plate 1. Such a cell plate 1
The air-side current collector 4 is arranged on the air electrode side, and the fuel-side current collector 5 is arranged on the fuel electrode side. Each of these members is sandwiched by ceramic cell holders 6 from above and below. The peripheral portion of the cell plate 1 is sealed with a sealing material 8 between the cell plate holder 7 having an L-shaped cross section.
It has a structure that allows it to maintain its sealing property. Also,
An interconnector 9 is arranged below the fuel-side current collector 5, and a sealing material 8 is provided between the interconnector 9 and the interconnector holder 10 to maintain the sealing property.

【0004】[0004]

【発明が解決しようとする課題】このように、従来の平
板型SOFCは、図1に示すようにセラミック製のセル
ホルダー6でセルプレート1を挟み込む構造になってい
る。ところで、こうしたSOFCにおいては、セルプレ
ート1を隔てて、空気と燃料である水素又は一酸化炭素
などを供給するために、ガスのシール性が最大の課題と
なっている。
As described above, the conventional flat plate type SOFC has a structure in which the cell plate 1 is sandwiched between the cell holders 6 made of ceramic as shown in FIG. By the way, in such an SOFC, gas sealability is a major issue in order to supply air and hydrogen or carbon monoxide as a fuel across the cell plate 1.

【0005】しかし、従来の平板型SOFCによれば、
セルプレート1の周縁部とセルプレートホルダー7は平
行な面同士が当接する形状となっているため、シール材
8は十分にセルプレートホルダー7に保持されない。従
って、燃料側と空気側に圧力差が生じてシール材8を通
過するガス漏れが発生し、対差圧性に優れた構造とはい
いがたい。
However, according to the conventional flat plate SOFC,
Since the peripheral surfaces of the cell plate 1 and the cell plate holder 7 are in contact with each other in parallel surfaces, the sealing material 8 is not sufficiently held by the cell plate holder 7. Therefore, a pressure difference is generated between the fuel side and the air side, gas leaks through the sealing material 8, and it cannot be said that the structure has excellent differential pressure resistance.

【0006】本発明はこうした事情を鑑みてなされたも
ので、セルプレートの周縁部に改良を施して略H型状と
するとともにセルプレートを受けるセルプレートホルダ
ーに改良を施すことにより、シール材をセルプレートホ
ルダーに十分に保持し、もって従来に比べ対差圧性に優
れた構造の平板型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 improves the peripheral portion of the cell plate to have a substantially H shape, and also improves the cell plate holder for receiving the cell plate to improve the sealing material. It is an object of the present invention to provide a flat plate type fuel cell having a structure which is sufficiently held in a cell plate holder and is therefore excellent in differential pressure resistance as compared with a conventional one.

【0007】[0007]

【課題を解決するための手段】本発明は、両面に空気
極、燃料極を取り付けたセルプレートと、このセルプレ
ートを受けるセルプレートホルダーとを具備した平板型
燃料電池において、前記セルプレートの周縁上部を厚く
しかつ周縁下部に突設部を設けて全体の断面形状をH型
とするとともに、前記セルプレートホルダーに前記セル
プレートの突設部が嵌入する溝部を設け、この溝部にシ
ール材を充填したことを特徴とする平板型燃料電池であ
る。
DISCLOSURE OF THE INVENTION The present invention provides a flat plate type fuel cell comprising a cell plate having an air electrode and a fuel electrode mounted on both sides thereof, and a cell plate holder for receiving the cell plate. The upper part is thickened and a projecting part is provided at the lower part of the peripheral edge so that the entire cross-sectional shape is H-shaped, and a groove part into which the projecting part of the cell plate is fitted is provided in the cell plate holder, and a sealing material is provided in this groove part. It is a flat fuel cell characterized by being filled.

【0008】具体的には、本発明では、例えば図2に示
すようにセルプレートの周縁部上方を厚くすると共に下
方に突設させて全体をH型の構造にした。また、これに
伴ない、セルプレートを受けるセルプレートホルダーを
溝状にし、この部分にシール材を保持することにより、
十分にシール性を保たせた。つまり、じゅうらいよりセ
ルプレートの自重が重くなり、セルプレートを用いたガ
ス差圧による、ガス漏れからの性能劣化を防ぐことがで
きる。
Specifically, in the present invention, as shown in FIG. 2, for example, the upper part of the peripheral edge of the cell plate is thickened and the lower part is projected so as to have an H-shaped structure as a whole. Along with this, by making the cell plate holder that receives the cell plate into a groove shape and holding the sealing material in this portion,
The sealability was maintained sufficiently. That is, the weight of the cell plate becomes heavier than that of the cell plate, and it is possible to prevent the performance deterioration due to the gas leakage due to the gas differential pressure using the cell plate.

【0009】また、セルプレートをH型とすることによ
り、その上部に空気極材料を塗布した場合でも、セルプ
レートの周縁部の縁の厚みに揃えて空気極材料の膜厚を
均一にすることができる。
Further, by making the cell plate H-shaped, even when the air electrode material is applied to the upper part of the cell plate, the thickness of the air electrode material can be made uniform by adjusting the thickness of the edge of the peripheral edge of the cell plate. You can

【0010】[0010]

【作用】本発明において、セルプレートを上述したよう
なH型の構造にし、平板型SOFCで用いると、従来の
セルプレートを上下から挟み込むだけの構造に比べ、セ
ルプレートの自重の増加と十分なシール材により粘性摩
擦力が考えられ、この効果により、シール性を保持する
と考えられる。
In the present invention, when the cell plate has the H-shaped structure as described above and is used in the flat plate type SOFC, the self-weight of the cell plate is sufficiently increased as compared with the conventional structure in which the cell plate is only sandwiched from above and below. A viscous frictional force is considered due to the sealing material, and this effect is considered to maintain the sealing property.

【0011】また、上記セルプレートの上部に空気極材
料のペーストを例えばはけ塗りする場合でも、セルプレ
ートの周縁部の縁に揃えて空気極材料の膜厚を均一にす
ることができる。これにより、従来の空気極材料の膜厚
より厚くなり、空気極材料の導電率を向上させることが
でき、平板型SOFCの性能の向上を図ることができる
と考えられる。
Further, even when the paste of the air electrode material is brush-applied to the upper portion of the cell plate, the film thickness of the air electrode material can be made uniform by aligning with the edge of the peripheral portion of the cell plate. As a result, it is considered that the film thickness becomes thicker than that of the conventional air electrode material, the conductivity of the air electrode material can be improved, and the performance of the flat plate SOFC can be improved.

【0012】[0012]

【実施例】以下、この発明の一実施例を図1を参照して
説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.

【0013】図中の符号21は、セルプレートを示す。こ
のセルプレート21の上面には空気極22,その上部に空気
側集電体23が塗布又は貼付けにより重ね合わされ、セル
プレート21の下面には燃料極24,その下部に燃料側集電
体25が塗布又は貼付けにより重ね合わされ、これらによ
り平板型燃料電池の単位スタックが構成されている。前
記セルプレート21の断面形状は概略H型状で、中央部は
周縁部に対して凹部となるように構成されている。具体
的には、セルプレート21の周縁部は、その上部に最外面
1 から前記空気極22の縁部に当接する面S2 かけて厚
い厚み部21aを有し、かつその下部先端に下方に突出す
る突設部21bを有した構成になっている。なお、前記セ
ルプレートの厚み部21aの高さ及び凹部の大きさは、空
気極22の材料の塗布すべき高さ及び大きさとする。ここ
で、空気極の材料のペーストを数回に分けて塗布する場
合でも、セルプレート21の厚み部21aの内側の縁に揃え
ることにより一定の膜厚を得ることができ、ペーストの
塗布を繰り返すことにより厚膜化することもできる。
Reference numeral 21 in the drawing indicates a cell plate. An air electrode 22 is placed on the upper surface of the cell plate 21, and an air side current collector 23 is placed on the upper side of the cell plate 21 by coating or pasting. A fuel electrode 24 is placed on the lower surface of the cell plate 21, and a fuel side current collector 25 is placed on the lower side thereof. They are stacked by application or pasting, and these form a unit stack of a flat-plate fuel cell. The cell plate 21 has a substantially H-shaped cross-section, and the central portion of the cell plate 21 is recessed with respect to the peripheral portion. Specifically, the peripheral edge portion of the cell plate 21 has a thick thickness portion 21a from the outermost surface S 1 to the surface S 2 that abuts on the edge portion of the air electrode 22 at the upper portion thereof, and the lower portion has a lower portion at the lower end thereof. It is configured to have a protruding portion 21b that projects to the outside. The height of the thick portion 21a of the cell plate and the size of the recess are the height and size of the material of the air electrode 22 to be applied. Here, even when the paste of the air electrode material is applied several times, a uniform film thickness can be obtained by aligning it with the inner edge of the thickness portion 21a of the cell plate 21, and the paste application is repeated. By doing so, it is possible to increase the film thickness.

【0014】前記セルプレート21の周縁部は、シール材
26を用いてセラミック製のセルプレートホルダー27に保
持されるように構成されている。ここで、セルプレート
ホルダー27の内側周縁部には溝を形成するように溝縁28
が設けられ、前記溝にセルプレート21の突設部21bがゆ
っくり嵌入するようになっている。そして、セルプレー
トホルダー27の溝内部、セルプレート21の突設部21bの
周囲、及びセルプレート21の厚み部21aの上部に施され
た前記シール材26により、十分にシール性が保たれる構
成になっている。
The peripheral portion of the cell plate 21 is a sealing material.
It is configured to be held by a cell plate holder 27 made of ceramic using 26. Here, the groove edge 28 is formed so as to form a groove on the inner peripheral edge of the cell plate holder 27.
Is provided, and the projecting portion 21b of the cell plate 21 is slowly fitted into the groove. The sealing material 26 provided on the inside of the groove of the cell plate holder 27, around the projecting portion 21b of the cell plate 21, and on the upper portion of the thickness portion 21a of the cell plate 21 ensures sufficient sealing performance. It has become.

【0015】前記単位スタックを多数積層する場合は、
上部に集電体29を付け、発電された電流を取り出すと共
に、下部にはインタコネクタ30を介して他の単位スタッ
クを接続することで積層できる。前記インタコネクタ30
の周縁部は、シール材31を用いて断面形状がL字型のセ
ルプレートホルダー32に保持されるように構成されてい
る。前記単位スタックなどは、上下方向からセラミック
製のセルホルダー33により挟み込まれている。
When stacking a large number of the unit stacks,
The current collector 29 is attached to the upper part to take out the generated electric current, and another unit stack is connected to the lower part via the interconnector 30 so that the unit stacks can be stacked. The interconnector 30
A peripheral edge of the cell plate holder 32 is configured to be held by a cell plate holder 32 having an L-shaped cross section by using a sealing material 31. The unit stack and the like are sandwiched by cell holders 33 made of ceramic from the top and bottom.

【0016】このように上記実施例によれば、前記セル
プレート21は、その周縁上部に最外面S1 から前記空気
極22の縁部に当接する面S2 かけて厚い厚み部21aを有
し、かつその周縁下部先端に下方に突出する突設部21b
を有し、全体として断面形状がH型である構成になって
いるため、シール材26がセルプレートホルダー27に十分
に保持される。従って、燃料側と空気側に圧力差が生じ
ても、セルプレート21の周縁部の十分な厚みにより自
重が重くなり、かつ従来より十分なシール材を施すこと
ができるためガス漏れがなくなり、対差圧性に優れた構
造を持つことができる。その結果、従来の平板型SOF
Cに比べて、より勝れた性能が得られることが期待でき
る。
As described above, according to the above-described embodiment, the cell plate 21 has the thick portion 21a at the upper portion of the peripheral edge thereof from the outermost surface S 1 to the surface S 2 contacting the edge of the air electrode 22. And a protruding portion 21b protruding downward at the lower end of the peripheral edge thereof.
And the cross-sectional shape is H-shaped as a whole, the sealing material 26 is sufficiently held by the cell plate holder 27. Therefore, even if a pressure difference occurs between the fuel side and the air side, the self-weight becomes heavy due to the sufficient thickness of the peripheral portion of the cell plate 21, and a sufficient sealing material can be applied as compared with the conventional case, so that gas leakage is eliminated. It is possible to have a structure with excellent differential pressure resistance. As a result, the conventional flat plate SOF
It can be expected that better performance than that of C can be obtained.

【0017】また、セルプレート21の上部に空気極の
材料のペーストを塗布するときでも、セルプレート21の
周縁部の縁を揃えて空気極材料の膜厚を揃えることがで
き、その深さを調整することにより厚膜化することがで
き、空気極材料の導電率が向上し、より優れた性能を引
き出すことができる。
Further, even when the paste of the material of the air electrode is applied to the upper portion of the cell plate 21, the film thickness of the air electrode material can be made uniform by aligning the edges of the peripheral edge of the cell plate 21, and the depth thereof can be made. By adjusting, the film thickness can be increased, the conductivity of the air electrode material can be improved, and more excellent performance can be obtained.

【0018】図3は、従来の平板型SOFCのセルと本
発明の平板型SOFCのセルを用いた時の、燃料利用率
特性図の比較を示す。図3より、本発明のセルによれ
ば、燃料利用率の特性は従来のセルに比べて向上し、セ
ル性能の向上につながることが明らかである。
FIG. 3 shows a comparison of fuel utilization rate characteristic diagrams when the conventional flat plate SOFC cell and the flat plate SOFC cell of the present invention are used. From FIG. 3, it is clear that the cell of the present invention has improved fuel utilization characteristics as compared with the conventional cell, which leads to improvement of cell performance.

【0019】図4は、本発明の平板型SOFCのセルを
用いて空気極材料を厚膜化したときの平板型SOFCの
電流(I)−電圧(V)特性を示す。空気極材料が厚膜
化されたことにより、空気極材料の導電率は向上し、こ
れに伴ない図4に示すように従来のセルに比べセル性能
は向上することが期待できる。
FIG. 4 shows current (I) -voltage (V) characteristics of the flat plate SOFC when the air electrode material is thickened using the flat plate SOFC cell of the present invention. Since the thickness of the air electrode material is increased, the conductivity of the air electrode material is improved, and along with this, as shown in FIG. 4, it can be expected that the cell performance is improved as compared with the conventional cell.

【0020】なお、上記実施例では、インターコネクタ
ホルダーの断面形状がL字型である場合について述べた
が、これに限定されない。例えば、インターコネクタの
周縁部にセルプレートと同じように突設部を設けるとと
もに、インターコネクタの内縁部にセルプレートホルダ
ーと同じように溝縁を設けて溝を形成し、前記インター
コネクタの突設部がゆっくり嵌入する構成としてもよ
い。従って、インターコクタの周縁部とインターコネク
タホルダー間にシール材を施すことにより一層シール性
を向上できる。
In the above embodiment, the case where the cross-sectional shape of the interconnector holder is L-shaped has been described, but the invention is not limited to this. For example, a protruding portion is provided in the peripheral portion of the interconnector in the same manner as the cell plate, and a groove edge is provided in the inner edge portion of the interconnector in the same manner as in the cell plate holder to form a groove. The part may be slowly inserted. Therefore, the sealing performance can be further improved by applying the sealing material between the peripheral portion of the intercoactor and the interconnector holder.

【0021】[0021]

【発明の効果】以上詳述したように本発明によれば、セ
ルプレートの周縁部並びにこれを受けるセルプレートホ
ルダーの形状に改良を施すことにより、シール材をセル
プレートホルダーに十分に保持し、もってシール性を向
上して従来に比べ対差圧性に優れた構造を持つととも
に、空気極材料の導電率が向上しより優れた性能を引き
出すことができる平板型燃料電池を提供できる。
As described in detail above, according to the present invention, by improving the shape of the peripheral portion of the cell plate and the shape of the cell plate holder for receiving the same, the sealing material is sufficiently held in the cell plate holder, Therefore, it is possible to provide a flat-plate fuel cell which has a structure having an improved sealability and a more excellent differential pressure resistance as compared with the conventional one, and the conductivity of the air electrode material is improved to bring out better performance.

【図面の簡単な説明】[Brief description of drawings]

【図1】従来の平板型SOFCの説明図。FIG. 1 is an explanatory view of a conventional flat plate SOFC.

【図2】本発明の一実施例に係る平板型SOFCの説明
図。
FIG. 2 is an explanatory diagram of a flat plate SOFC according to an embodiment of the present invention.

【図3】従来の平板型SOFCのセルと本発明の平板型
SOFCのセルを用いた時の、燃料利用率特性図。
FIG. 3 is a fuel utilization rate characteristic diagram when a conventional flat-plate SOFC cell and a flat-plate SOFC cell of the present invention are used.

【図4】本発明の平板型SOFCのセルを用いて空気極
材料を厚膜化したときの平板型SOFCのI−V特性
図。
FIG. 4 is an IV characteristic diagram of a flat-plate SOFC when the air electrode material is thickened using the flat-plate SOFC cell of the present invention.

【符号の説明】[Explanation of symbols]

21…セルプレート、 21a…厚み部、 21b…
突設部、22…空気極、 23…空気側集電体、
24…燃料極、25…燃料側集電体、 26,31…シール
材、 27…セルプレートホルダー、28…溝縁、
29…集電体、 30…インターコネクタ、
32…インターコネクタホルダー、 33…セ
ルホルダー。
21 ... Cell plate, 21a ... Thick portion, 21b ...
Projection part, 22 ... Air electrode, 23 ... Air side current collector,
24 ... Fuel electrode, 25 ... Fuel side current collector, 26, 31 ... Sealing material, 27 ... Cell plate holder, 28 ... Groove edge,
29 ... Current collector, 30 ... Interconnector,
32… Interconnector holder, 33… Cell holder.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 渡辺 恭史 東京都調布市西つつじケ丘2丁目4番1号 東京電力株式会社技術研究所内 (72)発明者 神前 潤一 長崎県長崎市飽の浦町1番1号 三菱重工 業株式会社長崎造船所内 (72)発明者 加幡 達雄 長崎県長崎市飽の浦町1番1号 三菱重工 業株式会社長崎造船所内 (72)発明者 高月 誠治 長崎県長崎市飽の浦町1番1号 三菱重工 業株式会社長崎造船所内 (72)発明者 久留 長生 長崎県長崎市飽の浦町1番1号 三菱重工 業株式会社長崎造船所内 (72)発明者 村上 信明 長崎県長崎市深堀町5丁目717番1号 三 菱重工業株式会社長崎研究所内 (72)発明者 井上 好章 長崎県長崎市深堀町5丁目717番1号 三 菱重工業株式会社長崎研究所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kyoji Watanabe 2-4-1, Nishitsutsujigaoka, Chofu-shi, Tokyo Inside the TEPCO Research Institute (72) Inventor Junichi Kamima 1-1 1-1 Atsunoura-cho, Nagasaki-shi, Nagasaki Prefecture Mitsubishi Heavy Industry Co., Ltd. Nagasaki Shipyard Co., Ltd. (72) Inventor Tatsuo Kabata 1-1 1-1 Atsunoura Town, Nagasaki City, Nagasaki Prefecture Mitsubishi Heavy Industries Co., Ltd. Nagasaki Shipyard Co., Ltd. (72) 1-1 Seiji Takatsuki, Nagasaki City Nagasaki Prefecture No. Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard (72) Inventor Nagao Kurume 1-1 1-1 Atsunoura-machi, Nagasaki-shi, Nagasaki Mitsubishi Heavy Industries Ltd. Nagasaki Shipyard (72) Inventor Nobuaki Murakami 5-717, Fukahori-cho, Nagasaki-shi, Nagasaki Prefecture No. 1 Sanbishi Heavy Industries Co., Ltd. Nagasaki Research Institute (72) Inventor Yoshiaki Inoue 5717-1-3 Fukahori-cho, Nagasaki-shi, Nagasaki Heavy Industries Co., Ltd. Nagasaki in the Institute

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 両面に空気極、燃料極を取り付けたセル
プレートと、このセルプレートを受けるセルプレートホ
ルダーとを具備した平板型燃料電池において、前記セル
プレートの周縁上部を厚くしかつ周縁下部に突設部を設
けて全体の断面形状をH型とするとともに、前記セルプ
レートホルダーに前記セルプレートの突設部が嵌入する
溝部を設け、この溝部にシール材を充填したことを特徴
とする平板型燃料電池。
1. A flat plate type fuel cell comprising a cell plate having an air electrode and a fuel electrode attached to both sides thereof, and a cell plate holder for receiving the cell plate, wherein an upper peripheral portion of the cell plate is thickened and a lower peripheral portion is provided. A flat plate characterized in that a projecting portion is provided to make the entire cross-sectional shape H-shaped, and a groove portion into which the projecting portion of the cell plate is fitted is provided in the cell plate holder, and the groove portion is filled with a sealing material. Type fuel cell.
JP5038254A 1993-02-26 1993-02-26 Plate type fuel cell Withdrawn JPH06251785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5038254A JPH06251785A (en) 1993-02-26 1993-02-26 Plate type fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5038254A JPH06251785A (en) 1993-02-26 1993-02-26 Plate type fuel cell

Publications (1)

Publication Number Publication Date
JPH06251785A true JPH06251785A (en) 1994-09-09

Family

ID=12520183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5038254A Withdrawn JPH06251785A (en) 1993-02-26 1993-02-26 Plate type fuel cell

Country Status (1)

Country Link
JP (1) JPH06251785A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007287585A (en) * 2006-04-19 2007-11-01 Nippon Telegr & Teleph Corp <Ntt> Gas sealing structure and gas sealing method for solid-oxide fuel cell
JP2012182069A (en) * 2011-03-02 2012-09-20 Ngk Spark Plug Co Ltd Solid oxide fuel cell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007287585A (en) * 2006-04-19 2007-11-01 Nippon Telegr & Teleph Corp <Ntt> Gas sealing structure and gas sealing method for solid-oxide fuel cell
JP2012182069A (en) * 2011-03-02 2012-09-20 Ngk Spark Plug Co Ltd Solid oxide fuel cell

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