JPH11307109A - Cylindrical solid electrolyte fuel cell and its manufacture - Google Patents
Cylindrical solid electrolyte fuel cell and its manufactureInfo
- Publication number
- JPH11307109A JPH11307109A JP10110413A JP11041398A JPH11307109A JP H11307109 A JPH11307109 A JP H11307109A JP 10110413 A JP10110413 A JP 10110413A JP 11041398 A JP11041398 A JP 11041398A JP H11307109 A JPH11307109 A JP H11307109A
- Authority
- JP
- Japan
- Prior art keywords
- current collecting
- fuel cell
- main body
- solid electrolyte
- electrolyte fuel
- 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.)
- Granted
Links
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)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、円筒型固体電解質
燃料電池およびその製造方法に関する。The present invention relates to a cylindrical solid electrolyte fuel cell and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】円筒型固体電解質燃料電池の本体部の一
般的な構造を図５に示す。図５に示すように、多孔質体
からなる基体管１０１の外周面上には、多孔質性の燃料
極１０２が当該基体管１０１の軸心方向に沿って所定の
間隔ごとに複数成膜されている。燃料極１０２上には、
電解質１０３が各々成膜されている。電解質１０３上に
は、多孔質性の空気極１０４が各々成膜されている。空
気極１０４と当該空気極１０４の一方側で隣り合う燃料
極１０２との間には、インタコネクタ１０５がそれぞれ
成膜されている。つまり、基体管１０１に成膜した燃料
極１０２、電解質１０３、空気極１０４からなる各発電
素子（単電池セル）をインタコネクタ１０５で電気的に
直列に接続して本体部１００が構成されているのであ
る。2. Description of the Related Art A general structure of a main body of a cylindrical solid electrolyte fuel cell is shown in FIG. As shown in FIG. 5, a plurality of porous fuel electrodes 102 are formed at predetermined intervals along the axial direction of the base tube 101 on the outer peripheral surface of the base tube 101 made of a porous body. ing. On the fuel electrode 102,
Electrolytes 103 are each formed as a film. A porous air electrode 104 is formed on the electrolyte 103. An interconnector 105 is formed between the air electrode 104 and the fuel electrode 102 adjacent on one side of the air electrode 104. In other words, the main body 100 is formed by electrically connecting the power generating elements (single cells) composed of the fuel electrode 102, the electrolyte 103, and the air electrode 104 formed on the base tube 101 in series with the interconnector 105. It is.
【０００３】このような本体部１００は、図６に示すよ
うに、その両端側に端部集電膜１１１を溶射法により成
膜された後、図７に示すように、当該両端に導電フェル
トであるニッケルフェルト１１２を介してニッケル製の
集電部材１１３，１１４をそれぞれ嵌合されることによ
り、集電部が設けられる。なお、図６中、１１４ａは集
電棒である。In such a main body 100, as shown in FIG. 6, an end current collecting film 111 is formed on both ends by a thermal spraying method, and then, as shown in FIG. The current collectors are provided by fitting nickel current collectors 113 and 114 via nickel felts 112, respectively. In FIG. 6, reference numeral 114a denotes a current collecting rod.
【０００４】このようにして構成される固体電解質燃料
電池においては、所定の温度環境下（９００〜１０００
℃）で基体管１０１の内部に水素等の燃料ガスを流通さ
せると共に、空気極１０４の外側に酸素や空気などの酸
化ガスを流通させると、燃料ガスが基体管１０１および
燃料極１０２を透過して電解質１０３に供給されると共
に、酸化ガスが空気極１０４を透過して電解質１０３に
供給され、これらガスを電解質１０３で電気化学的に反
応させることにより、端部集電膜１１１からニッケルフ
ェルト１１２を介して集電部材１１３，１１４により外
部に電力を送り出すことができる。[0004] In the solid electrolyte fuel cell configured as described above, under a predetermined temperature environment (900 to 1000).
(° C.), when a fuel gas such as hydrogen flows through the inside of the base tube 101 and an oxidizing gas such as oxygen or air flows outside the air electrode 104, the fuel gas passes through the base tube 101 and the fuel electrode 102. The oxidizing gas passes through the air electrode 104 and is supplied to the electrolyte 103, and the oxidizing gas is electrochemically reacted by the electrolyte 103. The power can be sent to the outside by the current collecting members 113 and 114 via the.
【０００５】[0005]
【発明が解決しようとする課題】前述したような円筒型
固体電解質燃料電池においては、集電部１１０の端部集
電膜１１１を溶射法により成膜していることから、装置
が大がかりでメンテナンスに要する時間が多く、また、
材料歩留が１０〜２０％程度と低いため、製造コストが
高くなっていた。In the above-mentioned cylindrical solid electrolyte fuel cell, the end current collecting film 111 of the current collecting portion 110 is formed by a thermal spraying method. Takes a lot of time,
Since the material yield was as low as about 10 to 20%, the production cost was high.
【０００６】このようなことから、本発明は、低コスト
で製造することができる円筒型固体電解質燃料電池およ
びその製造方法を提供することを目的とした。Accordingly, an object of the present invention is to provide a cylindrical solid electrolyte fuel cell which can be manufactured at low cost and a method for manufacturing the same.
【０００７】[0007]
【課題を解決するための手段】前述した課題を解決する
ための、本発明による円筒型固体電解質燃料電池は、基
体管の外周面上に設けられた複数の発電素子をインタコ
ネクタで接続した本体部と、前記本体部の両端側にそれ
ぞれ成膜された端部集電膜と、前記端部集電膜に導電フ
ェルトを介して接触するように前記本体部の両端にそれ
ぞれ嵌合する集電部材とを備えてなる円筒型固体電解質
燃料電池であって、前記端部集電膜がスラリ焼成法で成
膜されていることを特徴とする。Means for Solving the Problems To solve the above-mentioned problems, a cylindrical solid electrolyte fuel cell according to the present invention has a body in which a plurality of power generating elements provided on the outer peripheral surface of a base tube are connected by an interconnector. Parts, end current collecting films formed on both ends of the main body part, and current collectors respectively fitted to both ends of the main body part so as to contact the end current collecting films via conductive felt. And a member, wherein the end current collecting film is formed by a slurry firing method.
【０００８】上述した円筒型固体電解質燃料電池におい
て、前記端部集電膜が材料の異なる複数の層からなるこ
とを特徴とする。[0008] In the above-mentioned cylindrical solid electrolyte fuel cell, the end current collecting film is composed of a plurality of layers made of different materials.
【０００９】上述した円筒型固体電解質燃料電池におい
て、前記集電部材の外周面が前記本体部の中央側ほど小
径となるテーパ状をなしていることを特徴とする。In the above-mentioned cylindrical solid electrolyte fuel cell, the outer peripheral surface of the current collecting member is tapered such that the diameter decreases toward the center of the main body.
【００１０】上述した円筒型固体電解質燃料電池におい
て、前記本体部の端面に成膜された前記端部集電膜に前
記導電フェルトを介して当接するフランジを前記集電部
材が有していることを特徴とする。[0010] In the above-described cylindrical solid electrolyte fuel cell, the current collecting member has a flange that comes into contact with the end current collecting film formed on the end face of the main body via the conductive felt. It is characterized by.
【００１１】上述した円筒型固体電解質燃料電池におい
て、前記集電部材の少なくとも前記端部集電膜と前記導
電フェルトを介して当接する部分がバイメタルまたは水
素吸蔵合金からなることを特徴とする。[0011] In the above-described cylindrical solid electrolyte fuel cell, at least a portion of the current collecting member that contacts the end current collecting film via the conductive felt is made of a bimetal or a hydrogen storage alloy.
【００１２】また、前述した課題を解決するための、本
発明による円筒型固体電解質燃料電池の製造方法は、基
体管の外周面上に設けられた複数の発電素子をインタコ
ネクタで接続した本体部の両端側を、端部集電膜の構成
材料からなるスラリ中にそれぞれ浸漬して焼成すること
により、当該本体部の両端側に端部集電膜を成膜するこ
とを特徴とする。A method for manufacturing a cylindrical solid electrolyte fuel cell according to the present invention for solving the above-mentioned problems is provided by a main body in which a plurality of power generating elements provided on an outer peripheral surface of a base tube are connected by an interconnector. The end current collecting films are formed on both end sides of the main body by immersing the two end sides in a slurry made of a constituent material of the end current collecting film and firing the slurry.
【００１３】[0013]
【発明の実施の形態】本発明による円筒型固体電解質燃
料電池およびその製造方法の実施の形態を図１を用いて
説明する。なお、図１は、その製造方法の手順説明図で
ある。なお、前述した従来の技術と同様な部分について
は、前述した従来の技術の説明で用いた符号と同様な符
号を用いることにより、その説明を省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a cylindrical solid electrolyte fuel cell and a method for manufacturing the same according to the present invention will be described with reference to FIG. FIG. 1 is an explanatory view of the procedure of the manufacturing method. Note that the same reference numerals as those used in the description of the above-described conventional technology are used for the same portions as those in the above-described conventional technology, and a description thereof will be omitted.
【００１４】図１（ａ）に示すように、ＮｉＯ／ＹＳＺ
（＝４０／６０〜８０／２０）やＮｉＯ／ＭｇＡｌ2 Ｏ
4 （＝４０／６０〜８０／２０）などのような端部集電
膜の構成材料となるセラミックスの粉体を容器１内で溶
剤と混合することによりスラリ２を製造したら、当該ス
ラリ２中に本体部１００の端部を浸漬（不要な箇所には
テープ等を巻いてマスキングしておく。）し（図１
（ｂ））、当該本体部１００をスラリ２から取り出し
（図１（ｃ））、他方の端部も上述と同様にしてスラリ
２に浸漬した後、図１（ｄ）に示すように、加熱器３で
焼成（１２５０〜１４５０℃）することにより、当該本
体部１００の両端側に端部集電膜１１を成膜する。As shown in FIG. 1A, NiO / YSZ
(= 40 / 60-80 / 20) or NiO / MgAl 2 O
4 (= 40/60 to 80/20) The slurry 2 is manufactured by mixing ceramic powder as a constituent material of the end current collecting film with a solvent in the container 1. 1 is immersed in an end portion of the main body portion 100 (masking is performed by winding a tape or the like on an unnecessary portion) (FIG. 1).
(B)), the main body 100 is taken out of the slurry 2 (FIG. 1 (c)), and the other end is immersed in the slurry 2 in the same manner as described above, and then heated as shown in FIG. 1 (d). The end collector films 11 are formed on both ends of the main body 100 by firing (1250 to 1450 ° C.) in the vessel 3.
【００１５】次に、本体部１００の両端に導電フェルト
であるニッケルフェルト１１２を介してニッケル製の集
電部材１１３，１１４をそれぞれ嵌合することにより、
本体部１００の両端側に集電部を設ける。Next, current collecting members 113 and 114 made of nickel are fitted to both ends of the main body 100 via nickel felts 112 which are conductive felts, respectively.
Current collectors are provided at both ends of the main body 100.
【００１６】つまり、スラリ焼成法により本体部１００
の両端側に端部集電膜１１を成膜するようにしたのであ
る。That is, the main body 100 is formed by the slurry firing method.
The end current collecting films 11 are formed on both end sides.
【００１７】したがって、端部集電膜１１を簡単でメン
テナンスの容易な設備で大量生産することができると共
に、端部集電膜１１の材料歩留を８０％以上とすること
ができるので、製造コストを大幅に下げることができ
る。Therefore, the end current collecting film 11 can be mass-produced with simple and easy-to-maintain equipment, and the material yield of the end current collecting film 11 can be 80% or more. Costs can be significantly reduced.
【００１８】なお、端部集電膜１１は、その構成材料で
あるＮｉＯが燃料ガスで還元されることにより、Ｎｉと
なって導電性を有するようになる。ところが、端部集電
膜１１は、還元反応によりわずかに収縮し、接触不良と
なって欠陥を生じてしまう場合があった（発生率：約１
０％）。そこで、次のようにすることにより、接触不良
を防止して接触抵抗の増加を抑えることがきる。The end current collector film 11 becomes Ni and becomes conductive by reducing NiO, which is a constituent material thereof, with a fuel gas. However, the end current collecting film 11 was slightly shrunk by the reduction reaction, resulting in poor contact and a defect in some cases (incidence rate: about 1).
0%). Therefore, by performing the following, it is possible to prevent poor contact and suppress an increase in contact resistance.
【００１９】（１）端部集電膜の複層化 端部集電膜１１をＮｉＯ／ＹＳＺやＮｉＯ／ＭｇＡｌ2
Ｏ4 の層とＮｉＯの層とを積層した二層構造とする等、
材料の異なる複数の層からなることにより、接触不良を
防止して接触抵抗の増加を抑えることができる。(1) Multi-layering of the end current collecting film The end current collecting film 11 is made of NiO / YSZ or NiO / MgAl 2
A two-layer structure in which an O 4 layer and a NiO layer are laminated,
By comprising a plurality of layers made of different materials, it is possible to prevent poor contact and suppress an increase in contact resistance.
【００２０】（２）集電部材のテーパ化 図２に示すように、本体部１００の中央側ほど小径とな
るようにテーパ外周面２３ｂ，２４ｂを有する集電部材
２３，２４を用いることにより、ニッケルフェルト１１
２を介して集電部材２３，２４を常に接触させることが
でき、接触不良を防止して接触抵抗の増加を抑えること
ができる。なお、図中、２４ａは集電棒である。(2) Tapering of current collecting member As shown in FIG. 2, by using current collecting members 23 and 24 having tapered outer peripheral surfaces 23b and 24b so that the diameter becomes smaller toward the center of the main body 100, Nickel felt 11
2, the current collecting members 23 and 24 can always be brought into contact with each other, thereby preventing poor contact and suppressing an increase in contact resistance. In the figure, reference numeral 24a is a current collecting rod.
【００２１】（３）集電部材へのフランジ設置 図３に示すように、本体部１００の端部側の内周面およ
び端面に当接するようにニッケルフェルト３２を設け、
当該ニッケルフェルト３２を介して基体管１０１の端面
に当接するフランジ３４ｂを設けた集電部材３４を当該
基体管１０１の当該端部に嵌合することにより、基体管
１０１の内周面側だけでなく端面側とも接触させて接触
面積の増加を図ることができ、接触不良を防止して接触
抵抗の増加を抑えることができる。なお、図中、３４ａ
は集電棒である。(3) Installation of Flange on Current Collection Member As shown in FIG.
By fitting a current collecting member 34 provided with a flange 34b abutting on the end face of the base tube 101 via the nickel felt 32 to the end of the base tube 101, only the inner peripheral surface side of the base tube 101 is fitted. Instead, the contact area can be increased by making contact with the end face side, and a contact failure can be prevented and an increase in contact resistance can be suppressed. In the figure, 34a
Is a collecting rod.
【００２２】（４）集電部材へのバイメタルや水素吸蔵
合金の適用 異なる種類の金属を複数積層したバイメタル（任意の方
向に伸縮可能）や水素吸蔵合金を集電部材の少なくとも
ニッケルフェルトを介して端部集電膜１１に接触する部
分に適用することにより、集電部材のサイズを運転時に
最も接触面積が大きくなるように設計しても、基体管１
０１を損傷することなく集電部材を組み付けることがで
きるようにし、運転時の集電部での接触不良を防止して
接触抵抗の増加を抑えることができる。ただし、バイメ
タルや水素吸蔵合金は、使用上限温度が約２００〜３０
０℃であるため、図４に示すように、集電部材４３，４
４を発電室２００の外側に設けるように本体部１００お
よび集電棒４４ａなどのリードを長くして集電部材４
３，４４を３００℃以下の温度で維持できるようにす
る。なお、図中、４５はシール部材、２０１は加熱器、
２０２は上部ヘッダ、２０３は下部ヘッダ、２０４は断
熱材である。(4) Application of Bimetal or Hydrogen Storage Alloy to Current Collection Member Bimetal (expandable in any direction) or a hydrogen storage alloy obtained by laminating a plurality of different types of metals is applied through at least nickel felt of the current collection member. Even when the size of the current collecting member is designed to maximize the contact area during operation, the base tube 1 can be applied to the portion in contact with the end current collecting film 11.
01 can be assembled without damaging 01, a contact failure at the current collector during operation can be prevented, and an increase in contact resistance can be suppressed. However, bimetals and hydrogen storage alloys have a maximum use temperature of about 200 to 30
Since the temperature is 0 ° C., as shown in FIG.
The lead such as the main body 100 and the current collecting rod 44a is elongated so that the current collecting member 4 is provided outside the power generation chamber 200.
3,44 can be maintained at a temperature below 300 ° C. In the figure, 45 is a seal member, 201 is a heater,
202 is an upper header, 203 is a lower header, and 204 is a heat insulating material.
【００２３】[0023]
【発明の効果】本発明による円筒型固体電解質燃料電池
は、基体管の外周面上に設けられた複数の発電素子をイ
ンタコネクタで接続した本体部と、前記本体部の両端側
にそれぞれ成膜された端部集電膜と、前記端部集電膜に
導電フェルトを介して接触するように前記本体部の両端
にそれぞれ嵌合する集電部材とを備えてなる円筒型固体
電解質燃料電池であって、前記端部集電膜がスラリ焼成
法で成膜されていることから、端部集電膜が簡単でメン
テナンスの容易な設備で大量生産できると共に、端部集
電膜の材料歩留が大幅に向上するので、製造コストが大
幅に低いものとなる。The cylindrical solid electrolyte fuel cell according to the present invention has a main body in which a plurality of power generating elements provided on the outer peripheral surface of a base tube are connected by an interconnector, and a film is formed on both ends of the main body. A cylindrical solid electrolyte fuel cell comprising: an end current collecting film, and current collecting members respectively fitted to both ends of the main body portion so as to contact the end current collecting film via a conductive felt. Since the end current collecting film is formed by the slurry firing method, the end current collecting film can be mass-produced with a simple and easy-to-maintain facility, and the material yield of the end current collecting film can be improved. Is greatly improved, so that the manufacturing cost is significantly reduced.
【００２４】また、前記端部集電膜が材料の異なる複数
の層からなるので、端部集電膜の接触不良を防止して接
触抵抗の増加を抑えることができる。Further, since the end current collecting film is composed of a plurality of layers made of different materials, it is possible to prevent poor contact of the end current collecting film and suppress an increase in contact resistance.
【００２５】また、前記集電部材の外周面が前記本体部
の中央側ほど小径となるテーパ状をなしているので、端
部集電膜が収縮を生じても端部集電膜に導電フェルトを
介して常に接触することができ、集電部での接触不良を
防止して接触抵抗の増加を抑えることができる。Further, since the outer peripheral surface of the current collecting member is tapered such that the diameter becomes smaller toward the center of the main body, even if the end current collecting film contracts, the conductive felt is applied to the end current collecting film. , Contact can always be made, and poor contact at the current collector can be prevented, thereby suppressing an increase in contact resistance.
【００２６】また、前記本体部の端面に成膜された前記
端部集電膜に前記導電フェルトを介して当接するフラン
ジを前記集電部材が有しているので、本体部の内周面側
だけでなく端面側とも接触させて接触面積の増加を図る
ことができ、集電部での接触不良を防止して接触抵抗の
増加を抑えることができる。Further, since the current collecting member has a flange which is in contact with the end current collecting film formed on the end face of the main body portion via the conductive felt, the inner peripheral surface side of the main body portion In addition, the contact area can be increased by making contact with the end face side, and a contact failure at the current collector can be prevented, and an increase in contact resistance can be suppressed.
【００２７】また、前記集電部材の少なくとも前記端部
集電膜と前記導電フェルトを介して当接する部分がバイ
メタルまたは水素吸蔵合金からなるので、集電部材のサ
イズを運転時に最も接触面積が大きくなるように設計し
ても、基体管を損傷することなく集電部材を組み付ける
ことができ、運転時の集電部での接触不良を防止して接
触抵抗の増加を抑えることができる。Further, since at least a portion of the current collecting member abutting on the end current collecting film via the conductive felt is made of a bimetal or a hydrogen storage alloy, the size of the current collecting member is set to have the largest contact area during operation. Even if it is designed so that the current collecting member can be assembled without damaging the base tube, it is possible to prevent poor contact at the current collecting portion during operation and suppress an increase in contact resistance.
【００２８】また、本発明による円筒型固体電解質燃料
電池の製造方法は、基体管の外周面上に設けられた複数
の発電素子をインタコネクタで接続した本体部の両端側
を、端部集電膜の構成材料からなるスラリ中にそれぞれ
浸漬して焼成することにより、当該本体部の両端側に端
部集電膜を成膜するので、端部集電膜を簡単でメンテナ
ンスの容易な設備で大量生産することができると共に、
端部集電膜の材料歩留を大幅に向上させることができ、
製造コストを大幅に下げることができる。Further, according to the method for manufacturing a cylindrical solid electrolyte fuel cell according to the present invention, both ends of a main body in which a plurality of power generating elements provided on an outer peripheral surface of a base tube are connected by an interconnector are connected to an end current collector. By immersing and baking in a slurry made of the constituent material of the film to form an end current collecting film on both ends of the main body, the end current collecting film can be formed with a simple and easy-to-maintain facility. It can be mass-produced,
The material yield of the edge current collecting film can be greatly improved,
Manufacturing costs can be significantly reduced.
【図１】本発明による円筒型固体電解質燃料電池の製造
方法の実施の形態の手順説明図である。FIG. 1 is a diagram illustrating a procedure of a method for manufacturing a cylindrical solid oxide fuel cell according to an embodiment of the present invention.
【図２】本発明による円筒型固体電解質燃料電池の他の
実施の形態の概略構造図である。FIG. 2 is a schematic structural view of another embodiment of a cylindrical solid electrolyte fuel cell according to the present invention.
【図３】本発明による円筒型固体電解質燃料電池のさら
に他の実施の形態の要部の概略構造図である。FIG. 3 is a schematic structural view of a main part of still another embodiment of a cylindrical solid oxide fuel cell according to the present invention.
【図４】本発明による円筒型固体電解質燃料電池のさら
に他の実施の形態の概略構造図である。FIG. 4 is a schematic structural view of still another embodiment of a cylindrical solid oxide fuel cell according to the present invention.
【図５】円筒型固体電解質燃料電池の本体部の一部を抽
出した断面図である。FIG. 5 is a cross-sectional view in which a part of a main body of the cylindrical solid electrolyte fuel cell is extracted.
【図６】円筒型固体電解質燃料電池の端部集電膜の従来
の製造方法の手順説明図である。FIG. 6 is an explanatory view of a procedure of a conventional method for manufacturing an end current collecting film of a cylindrical solid electrolyte fuel cell.
【図７】円筒型固体電解質燃料電池の概略構成図であ
る。FIG. 7 is a schematic configuration diagram of a cylindrical solid electrolyte fuel cell.
１ 容器 ２ スラリ ３ 加熱器 １１ 端部集電膜 ２３，２４ 集電部材 ２４ａ 集電棒 ２３ｂ，２４ｂ テーパ外周面 ３２ ニッケルフェルト ３４ 集電部材 ３４ａ 集電棒 ３４ｂ フランジ ４３，４４ 集電部材 ４４ａ 集電棒 １００ 本体部 １０１ 基体管 １０２ 燃料極 １０３ 電解質 １０４ 空気極 １０５ インタコネクタ １１１ 端部集電膜 １１２ ニッケルフェルト １１３，１１４ 集電部材 １１４ａ 集電棒 DESCRIPTION OF SYMBOLS 1 Container 2 Slurry 3 Heater 11 End current collecting film 23, 24 Current collecting member 24a Current collecting rod 23b, 24b Tapered outer peripheral surface 32 Nickel felt 34 Current collecting member 34a Current collecting rod 34b Flange 43, 44 Current collecting member 44a Current collecting rod 100 Main body 101 Base tube 102 Fuel electrode 103 Electrolyte 104 Air electrode 105 Interconnector 111 End current collecting film 112 Nickel felt 113,114 Current collecting member 114a Current collecting rod
Claims (6)
電素子をインタコネクタで接続した本体部と、 前記本体部の両端側にそれぞれ成膜された端部集電膜
と、 前記端部集電膜に導電フェルトを介して接触するように
前記本体部の両端にそれぞれ嵌合する集電部材とを備え
てなる円筒型固体電解質燃料電池であって、 前記端部集電膜がスラリ焼成法で成膜されていることを
特徴とする円筒型固体電解質燃料電池。1. A main body in which a plurality of power generating elements provided on an outer peripheral surface of a base tube are connected by an interconnector; end current collecting films formed on both ends of the main body; A current collecting member fitted to both ends of the main body so as to be in contact with the partial current collecting film via conductive felt, wherein the end current collecting film is a slurry. A cylindrical solid electrolyte fuel cell formed by a firing method.
からなることを特徴とする請求項１に記載の円筒型固体
電解質燃料電池。2. The cylindrical solid electrolyte fuel cell according to claim 1, wherein the end current collecting film comprises a plurality of layers made of different materials.
央側ほど小径となるテーパ状をなしていることを特徴と
する請求項１または２に記載の円筒型固体電解質燃料電
池。3. The cylindrical solid electrolyte fuel cell according to claim 1, wherein an outer peripheral surface of the current collecting member has a tapered shape having a smaller diameter toward the center of the main body.
集電膜に前記導電フェルトを介して当接するフランジを
前記集電部材が有していることを特徴とする請求項１か
ら３のいずれかに記載の円筒型固体電解質燃料電池。4. The current collecting member according to claim 1, wherein the current collecting member has a flange that comes into contact with the end current collecting film formed on an end surface of the main body portion via the conductive felt. 4. The cylindrical solid electrolyte fuel cell according to any one of 3.
膜と前記導電フェルトを介して当接する部分がバイメタ
ルまたは水素吸蔵合金からなることを特徴とする請求項
１から４のいずれかに記載の円筒型固体電解質燃料電
池。5. The device according to claim 1, wherein at least a portion of the current collecting member that contacts the end current collecting film via the conductive felt is made of a bimetal or a hydrogen storage alloy. Cylindrical solid electrolyte fuel cell.
電素子をインタコネクタで接続した本体部の両端側を、
端部集電膜の構成材料からなるスラリ中にそれぞれ浸漬
して焼成することにより、当該本体部の両端側に端部集
電膜を成膜することを特徴とする円筒型固体電解質燃料
電池の製造方法。6. Both ends of a main body in which a plurality of power generating elements provided on an outer peripheral surface of a base tube are connected by an interconnector,
The cylindrical solid electrolyte fuel cell is characterized in that the end current collecting films are formed on both ends of the main body by immersing and sintering in a slurry made of the constituent material of the end current collecting film. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11041398A JP3572194B2 (en) | 1998-04-21 | 1998-04-21 | Cylindrical solid electrolyte fuel cell and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11041398A JP3572194B2 (en) | 1998-04-21 | 1998-04-21 | Cylindrical solid electrolyte fuel cell and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11307109A true JPH11307109A (en) | 1999-11-05 |
| JP3572194B2 JP3572194B2 (en) | 2004-09-29 |
Family
ID=14535158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11041398A Expired - Fee Related JP3572194B2 (en) | 1998-04-21 | 1998-04-21 | Cylindrical solid electrolyte fuel cell and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3572194B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020009729A (en) * | 2018-07-12 | 2020-01-16 | 日本碍子株式会社 | Electrochemical cell, and cell stack device |
| CN112952108A (en) * | 2021-02-01 | 2021-06-11 | 浙江氢邦科技有限公司 | Solid oxide fuel cell and preparation method thereof |
-
1998
- 1998-04-21 JP JP11041398A patent/JP3572194B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020009729A (en) * | 2018-07-12 | 2020-01-16 | 日本碍子株式会社 | Electrochemical cell, and cell stack device |
| CN112952108A (en) * | 2021-02-01 | 2021-06-11 | 浙江氢邦科技有限公司 | Solid oxide fuel cell and preparation method thereof |
| CN112952108B (en) * | 2021-02-01 | 2023-06-02 | 浙江氢邦科技有限公司 | Solid oxide fuel cell and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3572194B2 (en) | 2004-09-29 |
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