JP3219598B2 - Solid oxide fuel cell and method of manufacturing the same - Google Patents

Solid oxide fuel cell and method of manufacturing the same

Info

Publication number
JP3219598B2
JP3219598B2 JP14060694A JP14060694A JP3219598B2 JP 3219598 B2 JP3219598 B2 JP 3219598B2 JP 14060694 A JP14060694 A JP 14060694A JP 14060694 A JP14060694 A JP 14060694A JP 3219598 B2 JP3219598 B2 JP 3219598B2
Authority
JP
Japan
Prior art keywords
separator
current collector
fuel cell
sealing
sealing material
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.)
Expired - Fee Related
Application number
JP14060694A
Other languages
Japanese (ja)
Other versions
JPH087903A (en
Inventor
孝司 白木
淳 矢野
浩史 辰己
雅芳 近藤
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP14060694A priority Critical patent/JP3219598B2/en
Publication of JPH087903A publication Critical patent/JPH087903A/en
Application granted granted Critical
Publication of JP3219598B2 publication Critical patent/JP3219598B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Fuel Cell (AREA)

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、固体電解質型燃料電池
およびその製造方法に関するものである。The present invention relates to a solid oxide fuel cell and a method for manufacturing the same.

【０００２】[0002]

【従来の技術】固体電解質型燃料電池は、平板型の場合
通常、図３，図４に示す単電池１を積層させて構成して
いる。2. Description of the Related Art In the case of a solid electrolyte type fuel cell, in the case of a flat plate type, usually, the unit cells 1 shown in FIGS. 3 and 4 are stacked.

【０００３】この単電池１は、発電部を形成する発電用
セル２を、金属部材の集電板（もしくはセパレータ）３
に挟んで構成される。上記発電用セル２は、電解質のセ
ラミック薄膜（固体電解質層）４の裏表面に負極５、正
極６を有しており、通常1000℃の高温下で、集電板（も
しくはセパレータ）３の溝７を通して負極５上に水素系
の燃料ガスＡを流し、正極６上に酸素系の空気ガスＢを
流すことにより電力を得ている。したがって、これらガ
スＡ，Ｂに混入、または漏れを生じた場合、得られる電
力は極めて低いものとなるため、ガスシール方法は極め
て重要となっている。In this unit cell 1, a power generation cell 2 forming a power generation unit is connected to a current collector plate (or separator) 3 made of a metal member.
It is comprised between. The power generation cell 2 has a negative electrode 5 and a positive electrode 6 on the back surface of a ceramic thin film (solid electrolyte layer) 4 of an electrolyte, and is usually formed at a high temperature of 1000 ° C. at a groove of a current collector (or separator) 3. Electric power is obtained by flowing a hydrogen-based fuel gas A over the negative electrode 5 through the anode 7 and an oxygen-based air gas B over the positive electrode 6. Therefore, when the gases A and B are mixed or leaked, the power obtained is extremely low, and the gas sealing method is extremely important.

【０００４】このガスシールは、上下の集電板（もしく
はセパレータ）３とセラミック薄膜（固体電解質層）４
間の端部に、ガラス質のシール材８を挟み、高温で溶融
させ、融着させることにより行われる。[0004] The gas seal is composed of an upper and lower current collector (or separator) 3 and a ceramic thin film (solid electrolyte layer) 4.
This is carried out by sandwiching a vitreous sealing material 8 at the end between them, melting at a high temperature, and fusing.

【０００５】[0005]

【発明が解決しようとする課題】しかし、従来の固体電
解質型燃料電池（単電池１）の構造では、シール材８
と、発電用セル２の本体のセラミック薄膜４と、集電板
（もしくはセパレータ）３との熱膨張差による剥離、あ
るいは発電時の1000℃の高温におけるシール材８の流れ
出しによって、シール性が著しく低下し、ガスＡ，Ｂに
混入、または漏れを生じ、得られる電力は極めて低いも
のとなるという問題があった。However, in the structure of the conventional solid oxide fuel cell (cell 1), the sealing material 8
The sealing property is remarkably increased due to separation due to the difference in thermal expansion between the ceramic thin film 4 of the main body of the power generation cell 2 and the current collector plate (or separator) 3 or the flow of the sealing material 8 at a high temperature of 1000 ° C. during power generation. As a result, there is a problem that the electric power is extremely low.

【０００６】本発明は上記問題を解決するものであり、
シール性を改善し、発電特性を改善した固体電解質型燃
料電池を提供することを目的とするものである。[0006] The present invention is to solve the above problems,
It is an object of the present invention to provide a solid oxide fuel cell having improved sealing properties and improved power generation characteristics.

【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、第１発明の固体電解質型燃料電池は、集電板あるい
はセパレータ間に発電用セルを挟み、前記集電板あるい
はセパレータと前記発電用セル間にシール材を融着し、
ガスシールを施して形成される平板型の固体電解質型燃
料電池であって、前記集電板あるいはセパレータより外
周部を伸張し、外端部に凹部を設け、前記シール材の外
周部で、かつ集電板あるいはセパレータの上下凹部間に
耐火ウール材を埋め込んだことを特徴とするものであ
る。Means for Solving the Problems] To solve the above problems, the solid electrolyte fuel cell of the first invention, sandwiching the power generation cell between current collecting plate or the separator, walk the collector plate
Is fused sealing material between the separator and the power generation cell,
A flat solid electrolyte fuel cell formed by performing a gas seal, wherein
The peripheral part is extended, a concave part is provided at the outer end,
At the periphery and between the upper and lower recesses of the current collector or separator
It is characterized by embedding refractory wool material .

【０００８】また第２発明の固体電解質型燃料電池の製
造方法は、集電板あるいはセパレータ間に発電用セルを
挟み、前記集電板あるいはセパレータと前記発電用セル
間にシール材を融着し、ガスシールを施して形成される
平板型の固体電解質型燃料電池の製造方法であって、前
記集電板あるいはセパレータより外周部を伸張し、外端
部に凹部を設け、下の前記集電板あるいはセパレータの
端部のシール位置に、シール材を置き、次にその外方の
前記凹部に耐火ウール材を置き、次にその上方に上の前
記集電板あるいはセパレータを前記シール位置を一致さ
せて置き、次に高温で前記シール材を溶融して上下の前
記集電板あるいはセパレータと前記発電用セル間にシー
ル材を融着することを特徴とするものである。In a second aspect of the present invention, there is provided a method for manufacturing a solid oxide fuel cell, comprising: a power generation cell sandwiched between a current collector or a separator;
The sealing material is fused between a method for manufacturing a solid oxide fuel cell of flat plate type formed by subjecting a gas seal, before
Extend the outer periphery from the current collector or separator
Part of the concave portion is provided on, of the collector plate or separator below
Place the sealing material at the sealing position at the end , and then
Place the refractory wool material in the recess , then place the upper current collector or separator above it in the same sealing position, then melt the sealing material at high temperature and the upper and lower current collectors or A sealing material is fused between the separator and the power generation cell.

【０００９】[0009]

【作用】上記第１発明の構成により、発電時の高温にな
ると、シール材の粘性の低下が発生し、流れ出し、耐火
ウール材と融着する。その結果、シール材と耐火ウール
材の間で強固な結合が発現し、良好なシール性が得られ
る。またシール材は耐火ウール材と結合することによ
り、従来適用が困難であった低融点の材料を選択するこ
とが可能となり、融着の度合いを強固にすることが可能
となる。According to the structure of the first aspect of the present invention, when the temperature becomes high at the time of power generation, the viscosity of the sealing material decreases, and the sealing material flows out and fuses with the refractory wool material. As a result, a strong bond is developed between the sealing material and the refractory wool material, and good sealing properties are obtained. Further, by combining the seal material with the fire-resistant wool material, it is possible to select a material having a low melting point, which has been difficult to apply conventionally, and it is possible to strengthen the degree of fusion.

【００１０】また上記第２発明の方法により、高温でシ
ール材が溶融されて集電板あるいはセパレータと発電用
セル間にシール材が融着され、その外方に耐火ウール材
が設けられる。この状態において、発電時の高温になる
と、シール材の粘性の低下が発生し、流れ出し、耐火ウ
ール材と融着する。その結果、シール材と耐火ウール材
の間で強固な結合が発現し、良好なシール性が得られ
る。According to the method of the second aspect of the present invention, the sealing material is melted at a high temperature, the sealing material is fused between the current collector or the separator and the power generation cell, and a refractory wool material is provided outside the sealing material. In this state, if the temperature becomes high during power generation, the viscosity of the sealing material decreases, flows out, and fuses with the refractory wool material. As a result, a strong bond is developed between the sealing material and the refractory wool material, and good sealing properties are obtained.

【００１１】[0011]

【実施例】以下、本発明の一実施例を図面に基づいて説
明する。なお、従来例の図３，図４の構成と同一の構成
には同一の符号を付して説明を省略する。An embodiment of the present invention will be described below with reference to the drawings. The same components as those of the conventional example shown in FIGS. 3 and 4 are denoted by the same reference numerals, and description thereof will be omitted.

【００１２】図１は本発明の一実施例における固体電解
質型燃料電池の単電池１’の断面図である。３’は従来
の集電板（もしくはセパレータ）３より外周部を伸張
し、外端部に凹部11を設けた集電板（もしくはセパレー
タ）であり、従来のシール材８の外周部で、かつ集電板
（もしくはセパレータ）３’の上下凹部11間に耐火ウー
ル材12を埋め込んでいる。FIG. 1 is a sectional view of a unit cell 1 'of a solid oxide fuel cell according to an embodiment of the present invention. Reference numeral 3 'denotes a current collector plate (or separator) having an outer peripheral portion extending from the conventional current collector plate (or separator) 3 and provided with a concave portion 11 at an outer end portion. A refractory wool material 12 is embedded between the upper and lower concave portions 11 of the current collector (or separator) 3 '.

【００１３】上記構成のガスシールの工程を、次の順序
により行う。まず、上下の集電板（もしくはセパレー
タ）３’とセラミック薄膜（固体電解質層）４間の端部
に、ガラス質のシール材８を挟み、高温で溶融させ、融
着させる。次に、シール材８の外周部で、かつ集電板
（もしくはセパレータ）３’の上下凹部11間に耐火ウー
ル材12を埋め込む。The steps of the gas seal having the above configuration are performed in the following order. First, a vitreous sealing material 8 is sandwiched between the upper and lower current collectors (or separators) 3 ′ and the ceramic thin film (solid electrolyte layer) 4, melted at a high temperature, and fused. Next, a refractory wool material 12 is embedded in the outer peripheral portion of the sealing material 8 and between the upper and lower concave portions 11 of the current collector plate (or separator) 3 ′.

【００１４】上記構成により、発電時の1000℃の高温に
なると、ガラス質のシール材８の粘性の低下が発生し、
流れ出し、耐火ウール材12と融着する。その結果、シー
ル材８と耐火ウール材12の間で強固な結合が発現し、良
好なシール性を得ることができる。With the above configuration, when the temperature is raised to 1000 ° C. during power generation, the viscosity of the vitreous sealing material 8 decreases,
It flows out and fuses with the refractory wool material 12. As a result, a strong bond is developed between the sealing material 8 and the refractory wool material 12, and good sealing properties can be obtained.

【００１５】上記のように形成された固体電解質型燃料
電池のリークテスト装置を図２により説明する。図２に
おいて、21は電気炉であり、単電池１’を1000℃で加熱
する。また窒素（Ｎ2 ）ガスボンベ22よりＮ2 ガスを、
第１流量計23でその流量を測定しながら電気炉21のＩＮ
側（流入側）より単電池１’内に流し、単電池１’を通
ってＯＵＴ側（流出側）へ流出するＮ2 ガスの流量を第
２流量計24により測定している。また、流量計23，24に
より測定されたガス流量信号は、シール判定器25へ入力
されている。A leak test apparatus for a solid oxide fuel cell formed as described above will be described with reference to FIG. In FIG. 2, reference numeral 21 denotes an electric furnace, which heats the cell 1 'at 1000.degree. Also, N 2 gas is supplied from a nitrogen (N 2 ) gas cylinder 22.
While measuring the flow rate with the first flow meter 23, the IN of the electric furnace 21 was measured.
The flow rate of N 2 gas flowing into the cell 1 ′ from the side (inflow side) and flowing out to the OUT side (outflow side) through the cell 1 ′ is measured by the second flow meter 24. Further, the gas flow rate signals measured by the flow meters 23 and 24 are input to the seal determiner 25.

【００１６】このシール判定器25は、Ｎ2 ガスは発電セ
ル２に影響を与えないので、流量計23，24により測定さ
れたＩＮ側（流入側）とＯＵＴ側（流出側）のガス流量
が同じであれば、シール性が保たれていると判断する。Since the N 2 gas does not affect the power generation cell 2, the seal determiner 25 determines whether the gas flow rates of the IN side (inflow side) and the OUT side (outflow side) measured by the flow meters 23 and 24 are different. If they are the same, it is determined that the sealing property is maintained.

【００１７】本実施例の単電池１’の上記リークテスト
装置による100 時間連続リークテストの結果、シール性
の低下は認めらず、極めて優れたシール性を得ることが
できたことが確認された。As a result of a 100-hour continuous leak test of the unit cell 1 'of this embodiment using the above-described leak test apparatus, no deterioration in the sealing property was observed, and it was confirmed that an extremely excellent sealing property could be obtained. .

【００１８】このように、良好なシール性を得ることが
できることにより、ガスＡ，Ｂの外気への漏れ、および
ガスＡ，Ｂの混入を防止でき、発電特性を改善でき、良
質な固体電解質型燃料電池を提供することができる。As described above, since good sealing properties can be obtained, leakage of gases A and B to the outside air and mixing of gases A and B can be prevented, power generation characteristics can be improved, and a high quality solid electrolyte type can be obtained. A fuel cell can be provided.

【００１９】さらに、シール材８は耐火ウール材12と結
合することにより、従来適用が困難であった低融点の材
料を選択することができ、融着の度合いを強固にするこ
とが可能となる。Further, by combining the sealing material 8 with the refractory wool material 12, it is possible to select a material having a low melting point, which has been difficult to apply conventionally, and it is possible to strengthen the degree of fusion. .

【００２０】なお、上記実施例のガスシールの工程を次
のように行うこともできる。集電板（もしくはセパレー
タ）３’の端部のシール位置に、ガラス質のシール材８
を置き、次にその外方の凹部11に耐火ウール材12を置
き、次にその上方に上の集電板（もしくはセパレータ）
３’をシール位置を一致させて置き、次に高温でシール
材８を溶融して上下の集電板（もしくはセパレータ）
３’と発電用セル２間にシール材８を融着する。このガ
スシールの工程においても、シール材８が集電板（もし
くはセパレータ）３’と発電用セル２間に融着され、そ
の外方に耐火ウール材12が設けられる。この状態におい
ても、発電時の高温になると、シール材８の粘性の低下
が発生し、流れ出し、耐火ウール材12と融着する。その
結果、シール材８と耐火ウール材12の間で強固な結合が
発現し、良好なシール性を得ることができる。また、こ
の工程によると、複数の単電池１’を重ねて一度にガス
シールの工程を実施でき、さらに上記実施例の”高温に
よるシール材８の融着後、冷却時間をおいて耐火ウール
材12を取付ける”ガスシールの工程と比較して、冷却時
間が必要でないため、工程時間を短縮することができ
る。Incidentally, the gas sealing process of the above embodiment can be performed as follows. At the sealing position at the end of the current collector (or separator) 3 ′, a vitreous sealing material 8
, Then put the refractory wool material 12 in the recess 11 on the outside, and then above the current collector (or separator)
3 ′ is placed with the sealing position matched, then the sealing material 8 is melted at a high temperature and the upper and lower current collectors (or separators) are melted.
A sealing material 8 is fused between 3 ′ and the power generation cell 2. Also in this gas sealing step, the sealing material 8 is fused between the current collector plate (or separator) 3 ′ and the power generation cell 2, and the refractory wool material 12 is provided outside. Even in this state, if the temperature becomes high at the time of power generation, the viscosity of the sealing material 8 decreases, flows out, and is fused with the refractory wool material 12. As a result, a strong bond is developed between the sealing material 8 and the refractory wool material 12, and good sealing properties can be obtained. Further, according to this step, the gas sealing step can be performed at a time by stacking a plurality of unit cells 1 ′, and further, after the sealing material 8 is fused at a high temperature, the refractory wool Since the cooling time is not required as compared with the gas sealing process of attaching the “12”, the process time can be shortened.

【００２１】[0021]

【発明の効果】以上のように第１発明の固体電解質型燃
料電池によれば、発電時の高温になると、シール材の粘
性の低下が発生し、流れ出し、耐火ウール材と融着し、
その結果、シール材と耐火ウール材の間で強固な結合が
発現し、良好なシール性を得ることができ、よってガス
の外気への漏れ、および混入を防止できるので発電特性
を改善し得る良質な固体電解質型燃料電池を提供するこ
とができる。またシール材は耐火ウール材と結合するこ
とにより、従来適用が困難であった低融点の材料を選択
することが可能となり、融着の度合いを強固にできる。As described above, according to the solid oxide fuel cell of the first aspect of the present invention, when the temperature becomes high during power generation, the viscosity of the sealing material decreases, flows out, and is fused to the refractory wool material.
As a result, a strong bond is developed between the sealing material and the refractory wool material, and a good sealing property can be obtained. Therefore, the gas can be prevented from leaking into the outside air and being mixed therein, so that the power generation characteristics can be improved. A solid electrolyte fuel cell can be provided. Further, by combining the sealing material with the fire-resistant wool material, it is possible to select a material having a low melting point, which has been difficult to apply conventionally, and the degree of fusion can be strengthened.

【００２２】また第２発明の固体電解質型燃料電池の製
造方法によれば、高温でシール材が溶融されて集電板あ
るいはセパレータと発電用セル間にシール材が融着さ
れ、その外方に耐火ウール材を設けることができる。こ
の状態において、発電時の高温になると、シール材の粘
性の低下が発生し、流れ出し、耐火ウール材と融着し、
その結果、シール材と耐火ウール材の間で強固な結合が
発現し、良好なシール性を得ることができる。また、複
数の燃料電池を一括してシール工程を実施でき、工程時
間を短縮することができる。According to the method for manufacturing a solid oxide fuel cell of the second invention, the sealing material is melted at a high temperature, and the sealing material is fused between the current collector or the separator and the power generation cell. Refractory wool material can be provided. In this state, when the temperature becomes high during power generation, the viscosity of the sealing material decreases, flows out, and fuses with the refractory wool material,
As a result, a strong bond is developed between the sealing material and the refractory wool material, and good sealing properties can be obtained. In addition, a sealing step can be performed for a plurality of fuel cells collectively, and the processing time can be reduced.

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

【図１】本発明の一実施例における固体電解質型燃料電
池の一部断面図である。FIG. 1 is a partial cross-sectional view of a solid oxide fuel cell according to an embodiment of the present invention.

【図２】同固体電解質型燃料電池のリークテスト装置の
構成図である。FIG. 2 is a configuration diagram of a leak test device of the solid oxide fuel cell.

【図３】固体電解質型燃料電池の部品分解図である。FIG. 3 is an exploded view of parts of a solid oxide fuel cell.

【図４】従来の固体電解質型燃料電池の一部断面図であ
る。FIG. 4 is a partial cross-sectional view of a conventional solid oxide fuel cell.

【符号の説明】[Explanation of symbols]

１’ 単電池 ２ 発電用セル ３’ 集電板（もしくはセパレータ） ４ セラミック薄膜 ５ 負極 ６ 正極 ７ 溝 ８ シール材 11 凹部 12 耐火ウール材 21 電気炉 22 Ｎ2 ガスボンベ 23，24 流量計 25 判定器 Ａ 燃料ガス Ｂ 空気ガス1 'cell 2 power generation cell 3' collector plate (or separator) 4 ceramic film 5 negative 6 positive 7 groove 8 sealing material 11 recess 12 refractory wool material 21 electric furnace 22 N 2 gas cylinder 23, 24 flow meter 25 determiner A Fuel gas B Air gas

───────────────────────────────────────────────────── フロントページの続き (72)発明者 近藤 雅芳 大阪府大阪市此花区西九条５丁目３番28 号 日立造船株式会社内 (56)参考文献 特開 平２−215052（ＪＰ，Ａ) 特開 平２−242564（ＪＰ，Ａ) 特開 平３−67466（ＪＰ，Ａ) 特開 平８−7904（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 8/02 H01M 8/12 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masayoshi Kondo 5-3-28 Nishikujo, Konohana-ku, Osaka-shi, Hitachi Zosen Corporation (56) Reference JP-A-2-215052 (JP, A) JP-A-2-242564 (JP, A) JP-A-3-67466 (JP, A) JP-A-8-7904 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) H01M 8 / 02 H01M 8/12

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 集電板あるいはセパレータ間に発電用セ
ルを挟み、前記集電板あるいはセパレータと前記発電用
セル間にシール材を融着し、ガスシールを施して形成さ
れる平板型の固体電解質型燃料電池であって、前記集電板あるいはセパレータより外周部を伸張し、外
端部に凹部を設け、 前記シール材の外周部で、かつ集電板あるいはセパレー
タの上下凹部間に耐火ウール材を埋め込んだこと を特徴
とする固体電解質型燃料電池。A power generation cell is sandwiched between a current collector or a separator and the power collector or the separator and the power generator.
A flat solid electrolyte fuel cell formed by fusing a sealing material between cells and performing gas sealing, wherein an outer peripheral portion is extended from the current collector plate or the separator, and
A concave portion is provided at an end portion , and a current collector plate or a separator is provided at an outer peripheral portion of the sealing material.
A solid oxide fuel cell comprising a refractory wool material embedded between upper and lower concave portions of a fuel cell. 【請求項２】 集電板あるいはセパレータ間に発電用セ
ルを挟み、前記集電板あるいはセパレータと前記発電用
セル間にシール材を融着し、ガスシールを施して形成さ
れる平板型の固体電解質型燃料電池の製造方法であっ
て、前記集電板あるいはセパレータより外周部を伸張し、外
端部に凹部を設け、 下の前記集電板あるいはセパレータの端部のシール位置
に、シール材を置き、次にその外方の前記凹部に耐火ウ
ール材を置き、 次にその上方に上の前記集電板あるいはセパレータを前
記シール位置を一致させて置き、 次に高温で前記シール材を溶融して上下の前記集電板あ
るいはセパレータと前記発電用セル間にシール材を融着
することを特徴とする固体電解質型燃料電池の製造方
法。2. A power generation cell is sandwiched between a current collector or a separator, and the power collector or the separator and the power generator are interposed therebetween.
A method of manufacturing a flat solid electrolyte fuel cell formed by fusing a sealing material between cells and performing gas sealing, wherein an outer peripheral portion is extended from the current collector plate or the separator, and
A concave portion is provided at an end portion , a sealing material is placed at a sealing position at an end portion of the current collector plate or the separator below, and then a refractory wool material is placed in the concave portion outside the current collecting plate or the separator. Put the current collector plate or separator so that the sealing position is aligned, then melt the seal material at high temperature and fuse the seal material between the upper and lower current collector plate or separator and the power generation cell. A method for producing a solid oxide fuel cell.
JP14060694A 1994-06-23 1994-06-23 Solid oxide fuel cell and method of manufacturing the same Expired - Fee Related JP3219598B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14060694A JP3219598B2 (en) 1994-06-23 1994-06-23 Solid oxide fuel cell and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14060694A JP3219598B2 (en) 1994-06-23 1994-06-23 Solid oxide fuel cell and method of manufacturing the same

Publications (2)

Publication Number Publication Date
JPH087903A JPH087903A (en) 1996-01-12
JP3219598B2 true JP3219598B2 (en) 2001-10-15

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Country Link
JP (1) JP3219598B2 (en)

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