JPH04121966A - Manufacture of cylindrical solid electrolytic fuel cell - Google Patents
Manufacture of cylindrical solid electrolytic fuel cellInfo
- Publication number
- JPH04121966A JPH04121966A JP2239919A JP23991990A JPH04121966A JP H04121966 A JPH04121966 A JP H04121966A JP 2239919 A JP2239919 A JP 2239919A JP 23991990 A JP23991990 A JP 23991990A JP H04121966 A JPH04121966 A JP H04121966A
- Authority
- JP
- Japan
- Prior art keywords
- electrode material
- dried
- cylindrical solid
- solid electrolyte
- fuel cell
- 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 33
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000007787 solid Substances 0.000 title abstract description 4
- 239000007772 electrode material Substances 0.000 claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000007784 solid electrolyte Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 18
- 239000011362 coarse particle Substances 0.000 claims description 8
- 239000010419 fine particle Substances 0.000 claims description 7
- 238000010304 firing Methods 0.000 claims description 7
- 238000004898 kneading Methods 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 abstract description 8
- 239000011230 binding agent Substances 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- 239000004094 surface-active agent Substances 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract 4
- 229910018281 LaSrMnO3 Inorganic materials 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- -1 oxygen ion Chemical class 0.000 description 2
- 229910002262 LaCrO3 Inorganic materials 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 229910002084 calcia-stabilized zirconia Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/1231—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9033—Complex oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
- H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9066—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC of metal-ceramic composites or mixtures, e.g. cermets
-
- 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
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製造方法に関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing a cylindrical solid electrolyte fuel cell.
従来の固体電解質燃料電池の構成を第３図、第４図によ
って説明する。第３図はその断面図であり、第４図は第
３図のＢ−Ｂ矢視図である。The configuration of a conventional solid electrolyte fuel cell will be explained with reference to FIGS. 3 and 4. FIG. 3 is a sectional view thereof, and FIG. 4 is a view taken along the line B--B in FIG. 3.
第３図、第４図において、１は空気極（−例としては、
ＬａＭｎ０＝のペロブスカイト型酸化物スラリの焼成膜
で、厚さは数百μｍである気体を通す多孔質膜があげら
れる） ２は電解質（−例としては、イツトリア安定
化ジルコニア：ＹＳｚの蒸着膜で、電気化学蒸着法、す
なわちＥＶＤ法、で作られた５０μｍ程度の気密膜）３
は燃料極（−例としてはＮｉＯとＺｒＤ。のサーメット
のスラリ焼成膜で厚さ数十μｍの多孔質膜）４はインコ
ネクタ（−例としてはＬａＣｒＯ３のＥＶＤ法による蒸
着膜で厚さ数十μｍの気密膜）５は基体管（−例として
はカルシア安定化ジルコニア：ＣＺＳで作られた直径１
３圓、長さ４００ｎｕｎ、厚さ１．６ ｍｍの多孔質セ
ラミックチューブ）である。In Figures 3 and 4, 1 is an air electrode (for example,
2 is a fired film of a perovskite-type oxide slurry of LaMn0, which is a porous film that allows gas to pass through and has a thickness of several hundred μm. , an airtight film of approximately 50 μm made by electrochemical vapor deposition method (EVD method)3
4 is a fuel electrode (for example, a slurry-fired cermet film of NiO and ZrD, which is a porous film with a thickness of several tens of μm); 4 is an in-connector (for example, a film deposited by the EVD method of LaCrO3, a porous film of several tens of micrometers thick); μm hermetic membrane) 5 is a substrate tube (for example made of calcia-stabilized zirconia: CZS) with a diameter of 1
It is a porous ceramic tube with a diameter of 3 mm, a length of 400 nm, and a thickness of 1.6 mm.
約１．０００℃に保持された上記構成の固体電解質燃料
電池の管内外に、空気と８２． ＣＤの燃料を供給する
と、燃料極３でＨ，、ＣＯがＮｉの触媒作用によりイオ
ン化して電子を放つ。これにより燃料極３と空気極１と
の間に電位差が生じる。The solid electrolyte fuel cell having the above configuration is maintained at about 1.000°C, and air and 82.0°C are inside and outside the tube. When CD fuel is supplied, H, and CO are ionized at the fuel electrode 3 by the catalytic action of Ni and release electrons. This creates a potential difference between the fuel electrode 3 and the air electrode 1.
今、燃料極３と空気極１をインコネクタ４を介して外部
回路で連ぐと、燃料極３にたまった電子は外部回路とイ
ンコネクタ４を通って空気極１へ移動し、基体管５を通
ってきた空気中の酸素をイオン化する。イオン化した酸
素は酸素イオン導電性の電解質２を通って燃料極３へ移
動し水素イオンと結合して水蒸気となる。Now, if the fuel electrode 3 and the air electrode 1 are connected by an external circuit via the in-connector 4, the electrons accumulated in the fuel electrode 3 will move to the air electrode 1 through the external circuit and the in-connector 4, and ionizes the oxygen in the air that passes through it. The ionized oxygen moves to the fuel electrode 3 through the oxygen ion conductive electrolyte 2 and combines with hydrogen ions to become water vapor.
従来の技術では基体管を用いているので、製作可能な基
体管径に限界があり、あまり小さい径の燃料電池や酸素
センサーは製作できない。Since conventional technology uses a base tube, there is a limit to the diameter of the base tube that can be manufactured, and fuel cells and oxygen sensors with very small diameters cannot be manufactured.
このため例えば容積当りの固体電解質燃料電池の発電量
は１４０ ＫＷ／ｍ３程度であり、大容量化した場合の
スペースが大きくなりすぎ、また基体管が空気の拡散抵
抗となるため電池出力が低下するという問題点がある。For this reason, for example, the power generation amount of a solid electrolyte fuel cell per volume is about 140 KW/m3, and when the capacity is increased, the space becomes too large, and the base tube acts as an air diffusion resistance, resulting in a decrease in battery output. There is a problem.
本発明は上記技術水準に鑑み、直径が小さく、容積当り
の発電量の大きい円筒型固体電解質燃料電池の製造方法
を提供しようとするものである。In view of the above-mentioned state of the art, the present invention provides a method for manufacturing a cylindrical solid electrolyte fuel cell that has a small diameter and a large amount of power generated per volume.
口課題を解決するための手段〕
本発明は円管状固体電解質の内部；こ、粗粒と微粒とを
混練した無収縮性電極材スラリを充填させる工程と該円
管状固体電解質の外部に内部電極材の対極材となる粗粒
と微粒とを混練しｊこ無収縮性対極材スラリを所望の厚
さに塗布する工程とを、同時又は別々に行い、両スラ１
」をＡＩＪ々又は同時に乾燥させ、乾燥した内部電極材
を穿孔して所望厚さの内部電極材層を形成させた後、全
体を焼成することを特徴とする円筒型固体電解質燃料電
池の製造方法である。[Means for Solving the Problems] The present invention provides a step of filling the inside of a cylindrical solid electrolyte with a non-shrinkable electrode material slurry made by kneading coarse particles and fine particles, and a step of filling an internal electrode inside the cylindrical solid electrolyte. The steps of kneading coarse particles and fine particles that will become the counter electrode material of the material and applying a non-shrinkable counter electrode material slurry to the desired thickness are performed simultaneously or separately.
A method for manufacturing a cylindrical solid electrolyte fuel cell, comprising: drying the AIJ or simultaneously, perforating the dried internal electrode material to form an internal electrode material layer of a desired thickness, and then firing the entire body. It is.
以下、本発明の円筒型固体電解質燃料電池の製造方法を
より具体的に説明する。Hereinafter, the method for manufacturing the cylindrical solid electrolyte fuel cell of the present invention will be explained in more detail.
あらかじめ成形し焼成したイツトリア安定化ジルコニア
（ＹＳＺ）の円管状固体電解質の内部に粒径分布を調整
して焼成時に収縮の生じない電極の無収縮スラリを充填
し、電解質円管の外部に、内部に充填した電極と対極を
ｔマす電極（内管側が燃料極であれば、外管側は空気極
）の無収縮スラリを塗付する。これを乾燥後、機械加工
により内管側電極に穴を明ける。このとき必要であれば
、内、外径を調整するために機械加工を行って仕上げる
。The inside of a solid electrolyte made of ittria-stabilized zirconia (YSZ) that has been shaped and fired in advance is filled with a non-shrinkage electrode slurry that adjusts the particle size distribution and does not shrink during firing. Apply a non-shrinking slurry of the electrode (if the inner tube side is the fuel electrode, the outer tube side is the air electrode) that is between the electrode filled in the tube and the counter electrode. After drying this, a hole is made in the inner tube side electrode by machining. At this time, if necessary, perform machining to adjust the inner and outer diameters.
電極の材料としては、空気極がＬａＳｒＭｎ０＋ 。As for the electrode material, the air electrode is LaSrMn0+.
ＬａＣｒＯｓ 、 ＬａＣａＭｎＯ３などのペロブスカ
イト型酸化物が、燃料極がＮｉＯとＣＺＳのサーメット
や、ＮｉＯとＹＳＺのサーメットが考えられる。電極は
多孔質でかつ焼成時に収縮しないようにする必要があり
、これについては、粗粒（１〜１００μｍ）と微粒（０
，１〜１μｍ）を混合し、粗粒で骨格を作って焼成時の
収縮を防ぐようにする。Possible examples include perovskite oxides such as LaCrOs and LaCaMnO3, and cermets for which the fuel electrode is made of NiO and CZS, or NiO and YSZ. The electrode needs to be porous and not shrink during firing, and in this regard, it must be made of coarse particles (1 to 100 μm) and fine particles (0 to 100 μm).
, 1 to 1 μm) to form a skeleton with coarse particles to prevent shrinkage during firing.
電極の焼成温度は電解質との反応を防ぐため１３００℃
以下とする。The firing temperature of the electrode is 1300℃ to prevent reaction with the electrolyte.
The following shall apply.
以上、本発明の円筒型固体電解質燃料電池の製造方法の
一例を具体的に説明したが、内部電極材スラリの充填、
外部対極材スラリの塗布の順序、それぞれのスラリの乾
燥の順序などは任意に行い得る。Above, one example of the method for manufacturing the cylindrical solid electrolyte fuel cell of the present invention has been specifically explained.
The order of applying the external counter electrode material slurry, the order of drying each slurry, etc. can be arbitrarily performed.
あらかじめ成形し焼成したＹＳＺの円管状固体電解質は
石膏型による鋳込み法や、ドクターブレード法、押出し
法により、直径＝１０〜３ｍｍ、肉厚＝５゛００〜１０
０μｍ、長さ；１０〜１００ ｍｍ程度のものが製作可
能である。この円管状電解質に本発明の方法で電極を取
り付ければ空気極厚さ：３００〜５００μｍ、燃料極厚
さ＝１００μｍ程度の電池が製作可能である。The YSZ cylindrical solid electrolyte that has been molded and fired in advance is molded into a mold with a diameter of 10 to 3 mm and a wall thickness of 5゛00 to 10 by casting with a plaster mold, doctor blade method, or extrusion method.
It is possible to manufacture products with a length of 0 μm and a length of about 10 to 100 mm. If electrodes are attached to this cylindrical electrolyte by the method of the present invention, it is possible to manufacture a battery with an air electrode thickness of about 300 to 500 μm and a fuel electrode thickness of about 100 μm.
このため直径５ ｍｍのセルを容易に製作でき、その場
合には従来の直径１５ｍｍのセルにくらべて容積当りの
発電量は３倍になり、直径３ ｍｍの電池を作れば５倍
となる。また基体管がないた狛空気の空気極への拡散が
容易で空気極電解質界面での酸素分圧が増加して電池出
力が増加する。Therefore, a cell with a diameter of 5 mm can be easily manufactured, and in that case, the power generation per volume will be three times as much as a conventional cell with a diameter of 15 mm, and if a battery with a diameter of 3 mm is manufactured, it will be five times as much. In addition, since there is no base tube, the trapped air can easily diffuse into the air electrode, increasing the oxygen partial pressure at the air electrode electrolyte interface and increasing the battery output.
以下、本発明の一実施例を第１図、第２図によって説明
する。第１図は本発明の一実施例の製造方法の各工程の
説明図であり、（ａ）は円管状固体電解質の製作工程、
ら）は空気極材料の充填、乾燥工程、（Ｃ）は空気極材
料の穿孔工程、（ｄ）は燃料極材料の塗布、乾燥工程、
（ｅ）は全体の焼成工程の説明図であり、第２図は第１
図の手順によって製作された円筒状固体電解質燃料電池
の断面図（第１図（ｄ）の■−■線断面図）である。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is an explanatory diagram of each step of the manufacturing method according to an embodiment of the present invention, in which (a) shows the manufacturing step of a cylindrical solid electrolyte;
(a) is the filling and drying process of the air electrode material, (C) is the perforation process of the air electrode material, (d) is the coating and drying process of the fuel electrode material,
(e) is an explanatory diagram of the entire firing process, and FIG.
1 is a cross-sectional view (a cross-sectional view taken along the line ■-■ in FIG. 1(d)) of a cylindrical solid electrolyte fuel cell manufactured by the procedure shown in the figure.
まず、第１図（ａ）工程で鋳込み法あるいは押出し法に
よって、ＴＳＺで外径：５ｍｍ、肉厚さ；１００μｍの
薄肉円管状固体電解質２を成形し、１４００〜１５００
℃で焼成する。次に、（ｂ）工程で粗粒（４０μｍ）と
微粒（１μｍ）を混合し、バインダ、界面活性剤を加え
、粘度：数万ｃｐに調整したＬ ａ Ｓ ｒ Ｍ ｎ０
３の空気極１の無収縮性スラリを上記薄肉円管状固体電
解質２内に充填し乾燥する。この時、薄肉円管状固体電
解質２の片端部には充填スラリかはみ出すように充填す
る。これは燃料極：空気極の電気的接続を行うために薄
肉円管状固体電解質２内の電極は外にはみ出す必要があ
るからである。First, in the process shown in FIG. 1(a), a thin circular tubular solid electrolyte 2 with an outer diameter of 5 mm and a wall thickness of 100 μm is formed of TSZ by casting or extrusion.
Bake at ℃. Next, in step (b), coarse particles (40 μm) and fine particles (1 μm) were mixed, a binder and a surfactant were added, and the viscosity was adjusted to several tens of thousands of cps.
The non-shrinkage slurry of the air electrode 1 of No. 3 is filled into the thin circular tubular solid electrolyte 2 and dried. At this time, one end of the thin circular tubular solid electrolyte 2 is filled with the filling slurry so as to protrude. This is because the electrode within the thin circular tubular solid electrolyte 2 needs to protrude outside in order to electrically connect the fuel electrode to the air electrode.
次に、（Ｃ）工程で、乾燥した空気極１の層厚が５００
μｍになるように空気極材料を穿孔し、孔の内径を３．
８ ｍｍになるように加工する。その後、（６）工程で
ＹＳｚ粗粒（４０μｍ ）とＮｉＯ微粒（１μｍ）を混
合し、バインダ、界面活性剤を加え、粘度を数千ｃｐに
調整した燃料極３の無収縮性スラリを薄肉円管状固体電
解質２の外側に塗布、乾燥し、最後に、（ｅ）工程で全
体を１３００℃で焼成する。Next, in step (C), the layer thickness of the dried air electrode 1 is
The air electrode material is perforated so that the inner diameter of the hole is 3.
Process it to be 8 mm. Then, in step (6), the non-shrinkable slurry of the fuel electrode 3, in which YSz coarse particles (40 μm) and NiO fine particles (1 μm) were mixed, a binder and a surfactant were added, and the viscosity was adjusted to several thousand cps, was made into a thin circle. It is applied to the outside of the tubular solid electrolyte 2, dried, and finally, in step (e), the whole is fired at 1300°C.
上記の工程を経て、第２図に示すような円筒型固体電解
質燃料電池が得られる。Through the above steps, a cylindrical solid electrolyte fuel cell as shown in FIG. 2 is obtained.
上記の例は一例であり、空気極１と燃料極３を逆転させ
て目的の電池を製造することもできる。また、薄肉円管
状固体電解質２内への電極材料スラリの充填、同電解質
２の外側への対極材料スラリの塗布の順序及びそれらの
乾燥の順序は任意に変更しうる。The above example is just an example, and the desired battery can also be manufactured by reversing the air electrode 1 and fuel electrode 3. Further, the order of filling the electrode material slurry into the thin circular tubular solid electrolyte 2, applying the counter electrode material slurry to the outside of the electrolyte 2, and the order of drying them can be arbitrarily changed.
本発明により、基体管がない直径の小さい円筒型固体電
解質燃料電池を製作できるた杓、従来の技術にくらべて
、容積当りの発電量が著しく高められた同電池を容易に
製作することができる。According to the present invention, it is possible to manufacture a small-diameter cylindrical solid electrolyte fuel cell without a base tube, and it is possible to easily manufacture the same cell with significantly increased power generation per volume compared to conventional technology. .
第１図は本発明の一実施例の円筒型固体電解質燃料電池
の製造方法の工程図、第２図は第１図の工程で得られた
円筒型固体電解質燃料電池の断面図、第３図は従来の円
筒型固体電解質燃料電池の断面図、第４図は第３図のＢ
−Ｂ矢視断面図である。FIG. 1 is a process diagram of a method for manufacturing a cylindrical solid oxide fuel cell according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the cylindrical solid oxide fuel cell obtained in the process shown in FIG. 1, and FIG. is a cross-sectional view of a conventional cylindrical solid electrolyte fuel cell, and Figure 4 is B in Figure 3.
-B is a sectional view taken along the arrow.
Claims (1)
収縮性電極材スラリを充填させる工程と該円管状固体電
解質の外部に内部電極材の対極材となる粗粒と微粒とを
混練した無収縮性対極材スラリを所望の厚さに塗布する
工程とを、同時又は別々に行い、両スラリを別々又は同
時に乾燥させ、乾燥した内部電極材を穿孔して所望厚さ
の内部電極材層を形成させた後、全体を焼成することを
特徴とする円筒型固体電解質燃料電池の製造方法。A step of filling the inside of the cylindrical solid electrolyte with a non-shrinkable electrode material slurry made by kneading coarse particles and fine particles, and kneading the coarse particles and fine particles that will become the counter electrode material of the internal electrode material outside the cylindrical solid electrolyte. The step of applying the non-shrinkable counter electrode material slurry to a desired thickness is performed simultaneously or separately, the both slurries are dried separately or simultaneously, and the dried internal electrode material is perforated to form an internal electrode material of a desired thickness. A method for manufacturing a cylindrical solid electrolyte fuel cell, which comprises forming layers and then firing the entire cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2239919A JPH04121966A (en) | 1990-09-12 | 1990-09-12 | Manufacture of cylindrical solid electrolytic fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2239919A JPH04121966A (en) | 1990-09-12 | 1990-09-12 | Manufacture of cylindrical solid electrolytic fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04121966A true JPH04121966A (en) | 1992-04-22 |
Family
ID=17051801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2239919A Pending JPH04121966A (en) | 1990-09-12 | 1990-09-12 | Manufacture of cylindrical solid electrolytic fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04121966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999054946A1 (en) * | 1998-04-21 | 1999-10-28 | Toto Ltd. | Solid electrolyte fuel cell and method of producing the same |
-
1990
- 1990-09-12 JP JP2239919A patent/JPH04121966A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999054946A1 (en) * | 1998-04-21 | 1999-10-28 | Toto Ltd. | Solid electrolyte fuel cell and method of producing the same |
| US6692855B1 (en) | 1998-04-21 | 2004-02-17 | Toto Ltd. | Solid electrolyte type fuel cell and method of producing the same |
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