JPH05198306A - Manufacture of solid electrolyte fuel cell - Google Patents
Manufacture of solid electrolyte fuel cellInfo
- Publication number
- JPH05198306A JPH05198306A JP4027416A JP2741692A JPH05198306A JP H05198306 A JPH05198306 A JP H05198306A JP 4027416 A JP4027416 A JP 4027416A JP 2741692 A JP2741692 A JP 2741692A JP H05198306 A JPH05198306 A JP H05198306A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- solid electrolyte
- molded body
- slurry
- electrolyte
- 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
-
- 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
-
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、固体電解質燃料電池の
製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a solid oxide fuel cell.
【０００２】[0002]
【従来の技術】固体電解質燃料電池としては、リン酸型
燃料電池、溶融炭酸塩型燃料電池と類似した構造の平板
型、米国のアルゴンヌ国立研究所によって提案されたモ
ノリシック型、日本の電子技術総合研究所によって開発
中の円筒多素子型、米国のウェスティングハウス社によ
って提案された円筒単素子型が知られているが、現在は
スタック構成の容易さの点でウェスティングハウス社の
円筒単素子型が注目されている。2. Description of the Related Art As solid electrolyte fuel cells, phosphoric acid fuel cells, flat-plate type fuel cells having a structure similar to molten carbonate fuel cells, monolithic type proposed by Argonne National Laboratory in the United States, Japanese electronic technology comprehensive The cylindrical multi-element type being developed by the research laboratory and the cylindrical single-element type proposed by Westinghouse of the United States are known, but the cylindrical single-element type of Westinghouse is currently known for the ease of stacking. Attention has been paid.
【０００３】上記した固体電解質燃料電池に用いられる
固体電解質は、酸素イオンおよび水素イオンの伝導性が
高く、酸化雰囲気下および還元雰囲気下において化学的
に安定であり、しかもガスを透過させない緻密性が要求
され、現在のところ、イットリアを固溶させたジルコニ
アを数十〜数百μｍの膜状にしたものが用いられてい
る。The solid electrolyte used in the above-described solid electrolyte fuel cell has a high conductivity of oxygen ions and hydrogen ions, is chemically stable in an oxidizing atmosphere and a reducing atmosphere, and has a denseness that does not allow gas to pass therethrough. The zirconia in which yttria is solid-soluted is formed into a film having a thickness of several tens to several hundreds of μm.
【０００４】このような膜状の固体電解質（以下固体電
解質膜という。）を形成する方法としては、テープキャ
スト法、カレンダーロール法、スラリーキャスト法のよ
うなスラリーを用いる方法やプラズマ溶射法、電気化学
蒸着法（ＥＶＤ法）が知られている。As a method for forming such a membrane-shaped solid electrolyte (hereinafter referred to as a solid electrolyte membrane), a method using a slurry such as a tape casting method, a calendar roll method, a slurry casting method, a plasma spraying method, and an electric method. A chemical vapor deposition method (EVD method) is known.
【０００５】また、特願平２−４０９９９７号や特願平
３−２９５３９号では、吸水性を有する型にスラリーを
連続して流し込んで成形体を形成する方法を出願してい
る。Further, Japanese Patent Application No. 2-409997 and Japanese Patent Application No. 3-29539 apply for a method of continuously pouring a slurry into a mold having a water absorbing property to form a molded body.
【０００６】[0006]
【発明が解決しようとする課題】上記した種々の方法の
うち、テープキャスト法、カレンダーロール法、スラリ
ーキャスト法は、安価な方法であるが、円筒形の固体電
解質膜の形成が困難であるという問題があった。Among the various methods described above, the tape casting method, calendar roll method, and slurry casting method are inexpensive methods, but it is difficult to form a cylindrical solid electrolyte membrane. There was a problem.
【０００７】また、プラズマ溶射法、電気化学蒸着法
（ＥＶＤ法）は、円筒形の固体電解質膜の形成は可能で
あるが、高価な装置を用いなければならず、量産性に欠
けるという問題があった。The plasma spraying method and the electrochemical vapor deposition method (EVD method) can form a cylindrical solid electrolyte membrane, but have to use an expensive apparatus and have a problem of lack of mass productivity. there were.
【０００８】一方、特願平２−４０９９９７号や特願平
３−２９５３９号は、安価で緻密な円筒形の固体電解質
膜を形成する方法として注目されている。On the other hand, Japanese Patent Application No. 2-409997 and Japanese Patent Application No. 3-29539 are attracting attention as a method for forming an inexpensive and dense cylindrical solid electrolyte membrane.
【０００９】[0009]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、金属酸化物を含有するスラリーを成形し
て空気極成形体を形成する工程と、この空気極成形体の
一方の面に電解質スラリーを塗布または該面を電解質ス
ラリー中に浸漬して電解質成形体を形成し、前記空気極
成形体と電解質成形体とが一体化されてなる複合成形体
を形成する工程と、この複合成形体を焼成して固体電解
質−空気極複合体とする工程と、この固体電解質−空気
極複合体の他方の面に燃料極成形体を形成し、焼成して
燃料極とする工程とからなることを特徴とするものであ
る。In order to solve the above-mentioned problems, the present invention relates to a step of forming a slurry containing a metal oxide to form an air electrode formed body, and one surface of the air electrode formed body. A step of applying an electrolyte slurry to the above or dipping the surface in an electrolyte slurry to form an electrolyte molded body, and forming a composite molded body in which the air electrode molded body and the electrolyte molded body are integrated, It comprises a step of firing the formed body to form a solid electrolyte-air electrode composite body, and a step of forming a fuel electrode formed body on the other surface of this solid electrolyte-air electrode composite body and firing it to form a fuel electrode. It is characterized by that.
【００１０】[0010]
【作 用】従って、本発明は、スラリーを成形して得た
空気極成形体の一方の面に緻密な電解質成形体を形成す
ることができ、この複合成形体を焼成して得られた固体
電解質−空気極複合体の他方の面に多孔性の燃料極を形
成することができる。[Operation] Therefore, according to the present invention, a dense electrolyte molded body can be formed on one surface of an air electrode molded body obtained by molding a slurry, and a solid obtained by firing this composite molded body. A porous fuel electrode can be formed on the other surface of the electrolyte-air electrode composite.
【００１１】[0011]
【実施例】図１は、本発明の固体電解質燃料電池の製造
方法において、空気極成形体を形成するのに使用する型
４の断面図である。EXAMPLE FIG. 1 is a cross-sectional view of a mold 4 used for forming an air electrode molded body in the method for producing a solid oxide fuel cell of the present invention.
【００１２】図２は、前記型４にスラリーを流し込んで
空気極成形体１を形成した状態の断面図である。FIG. 2 is a sectional view showing a state in which the slurry is poured into the mold 4 to form the air electrode molded body 1.
【００１３】図３は、前記型４を除去した空気極成形体
１の一方の面に、電解質成形体２を形成した状態の断面
図、すなわち複合成形体の断面図である。FIG. 3 is a cross-sectional view of a state where the electrolyte molded body 2 is formed on one surface of the air electrode molded body 1 from which the mold 4 has been removed, that is, a cross-sectional view of the composite molded body.
【００１４】図４は、前記複合成形体を焼成して得た固
体電解質−空気極複合体の他方の面に燃料極成形体３を
形成してから燃料極７とした状態の断面図、すなわち本
発明の製造方法によって得られた固体電解質燃料電池の
断面図である。FIG. 4 is a cross-sectional view showing a state where the fuel electrode molded body 3 is formed on the other surface of the solid electrolyte-air electrode composite body obtained by firing the composite molded body, and then the fuel electrode 7 is formed. FIG. 3 is a cross-sectional view of a solid oxide fuel cell obtained by the manufacturing method of the present invention.
【００１５】前記型４は、石膏のような吸水性を有する
材料からなるのが好ましく、この型４に、安定化剤であ
るイットリアを添加したジルコニア粉末、分散材、バイ
ンダー、消泡材および金属酸化物としてのストロンチウ
ムをドープしたＬａＭｎＯ3 を溶媒としての水に混合し
て調製したスラリーを流し込んで一定時間放置し、空気
極成形体１を形成する。なお、この空気極成形体１から
多孔性の空気極５を成形するためには、このスラリー中
のジルコニア粉末の粒径を大きくすればよいが、ジルコ
ニア粉末の粒径を大きくする代わりにＬａＭｎＯ3 の粒
径を大きくしてもよい。そして、立方晶ジルコニアを多
くして空気極５のイオン伝導性を高めるようにする。The mold 4 is preferably made of a material having a water absorbing property such as gypsum, and zirconia powder, a dispersant, a binder, a defoaming material and a metal to which yttria as a stabilizer is added to the mold 4. A slurry prepared by mixing LaMnO 3 doped with strontium as an oxide in water as a solvent is poured and left for a certain period of time to form an air electrode molded body 1. In order to form the porous air electrode 5 from the air electrode formed body 1, the particle size of the zirconia powder in this slurry may be increased, but instead of increasing the particle size of the zirconia powder, LaMnO 3 The particle size may be increased. Then, the cubic zirconia is increased to enhance the ionic conductivity of the air electrode 5.
【００１６】なお、前記ＬａＭｎＯ3 に代えてＬａＣｏ
Ｏ3 、ＣａＭｎＯを用いてもよく、ストロンチウムに代
えてカルシウムを用いてもよい。In place of LaMnO 3 , LaCo
O 3 or CaMnO may be used, and calcium may be used instead of strontium.
【００１７】次に、型４を除去した上記空気極成形体１
を、安定化剤であるイットリアを添加したジルコニア粉
末、分散材、バインダーおよび消泡材を溶媒としての水
に混合して調製した電解質スラリー中に浸漬し、前記空
気極成形体１の一方の面（外表面）に電解質成形体２を
形成する。なお、この電解質成形体２から緻密な固体電
解質膜６を形成するためには、この電解質スラリー中の
ジルコニア粉末の粒径を小さくする必要がある。そし
て、正方晶ジルコニアを多くして固体電解質膜６の強度
を高めるようにする。Next, the air electrode molded body 1 from which the mold 4 has been removed
Is immersed in an electrolyte slurry prepared by mixing zirconia powder to which yttria is added as a stabilizer, a dispersant, a binder and a defoaming agent in water as a solvent, and one surface of the air electrode molded body 1 is immersed. The electrolyte molded body 2 is formed on the (outer surface). In order to form the dense solid electrolyte membrane 6 from the electrolyte molded body 2, it is necessary to reduce the particle size of the zirconia powder in the electrolyte slurry. Then, the tetragonal zirconia is increased to increase the strength of the solid electrolyte membrane 6.
【００１８】このようにして空気極成形体１と電解質成
形体２とが一体化されてなる複合成形体を形成すること
ができるが、電解質成形体２の形成は、上記以外にスプ
レー法や電気泳動法による電解質スラリーの塗布法によ
っても可能である。In this way, a composite molded body in which the air electrode molded body 1 and the electrolyte molded body 2 are integrated can be formed. The electrolyte molded body 2 is formed by a spray method or an electric method other than the above. It is also possible to apply the electrolyte slurry by a migration method.
【００１９】また、上記した製造方法において、空気極
成形体１を浸漬させる電解質スラリーを２気圧から１０
気圧程度に加圧すると、早くしかも高密度に電解質成形
体２を形成することができる。Further, in the above-mentioned manufacturing method, the electrolyte slurry in which the air electrode molded body 1 is dipped is adjusted to 2 atm to 10 atm.
By pressurizing to about atmospheric pressure, the electrolyte molded body 2 can be formed quickly and with high density.
【００２０】さらに、上記した製造方法において、空気
極成形体１を回転させながら電解質スラリーに浸漬する
と、均一な電解質成形体２を形成することができる。Further, in the above-mentioned manufacturing method, when the air electrode molded body 1 is immersed in the electrolyte slurry while being rotated, a uniform electrolyte molded body 2 can be formed.
【００２１】次に、前記複合成形体を焼成して内側に空
気極５、外側に固体電解質膜６を有する固体電解質−空
気極複合体を構成し、固体電解質膜６側に燃料極７を形
成すると、本発明の固体電解質燃料電池が得られる。Next, the composite molded body is fired to form a solid electrolyte-air electrode composite having an air electrode 5 inside and a solid electrolyte membrane 6 outside, and a fuel electrode 7 is formed on the solid electrolyte membrane 6 side. Then, the solid electrolyte fuel cell of the present invention is obtained.
【００２２】前記燃料極７は、安定化剤であるイットリ
アを添加したジルコニア粉末、分散材、バインダー、消
泡材および酸化ニッケルを溶媒としての水に混合して調
製したスラリーを、前記固体電解質−空気極複合体の固
体電解質膜６側に塗布して燃料極成形体３を形成してか
ら、再び焼成することによって形成することができる。
なお、前記燃料極成形体３から多孔性の燃料極７を形成
するためには、前記スラリー中のジルコニア粉末の粒径
を大きくすればよいが、ジルコニア粉末の粒径を大きく
する代わりに酸化ニッケルの粒径を大きくしてもよい。
そして、立方晶ジルコニアを多くして燃料極７のイオン
伝導性を高めるようにする。For the fuel electrode 7, a slurry prepared by mixing zirconia powder to which yttria as a stabilizer is added, a dispersant, a binder, a defoaming agent and nickel oxide in water as a solvent is used as the solid electrolyte- It can be formed by applying the composition to the solid electrolyte membrane 6 side of the air electrode composite to form the fuel electrode molded body 3 and then firing it again.
In order to form the porous fuel electrode 7 from the fuel electrode compact 3, the particle size of the zirconia powder in the slurry may be increased, but instead of increasing the particle size of the zirconia powder, nickel oxide is used. The particle size may be increased.
Then, the cubic zirconia is increased to enhance the ionic conductivity of the fuel electrode 7.
【００２３】なお、前記した酸化ニッケルに代えて酸化
コバルト、Ｎｉ−ＺｒＯ2 サーメットまたはＣｏ−Ｚｒ
Ｏ2 サーメットのような金属酸化物を用いてもよく、金
属酸化物に代えて金属ニッケルまたは金属コバルトのよ
うな金属を用いてもよい。It should be noted that instead of the above-mentioned nickel oxide, cobalt oxide, Ni-ZrO 2 cermet or Co-Zr is used.
A metal oxide such as O 2 cermet may be used, and a metal such as metal nickel or metal cobalt may be used instead of the metal oxide.
【００２４】また、前記固体電解質−空気極複合体を完
全に焼成させるまでに、燃料極７を形成するためのスラ
リーを塗布して再び焼成すると、収縮率のコントロール
が容易になり、割れを防止することができる。If the slurry for forming the fuel electrode 7 is applied and fired again before the solid electrolyte-air electrode composite is completely fired, the shrinkage ratio can be easily controlled and cracking can be prevented. can do.
【００２５】こうして得られた図４のような固体電解質
燃料電池を作動温度である７００℃から１０００℃に昇
温し、燃料極７側に燃料を、空気極５側に空気を供給す
ると、燃料によって燃料極７中の酸化ニッケルが還元さ
れる。When the solid electrolyte fuel cell thus obtained as shown in FIG. 4 is heated from an operating temperature of 700 ° C. to 1000 ° C. and fuel is supplied to the fuel electrode 7 side and air to the air electrode 5 side, Thereby, nickel oxide in the fuel electrode 7 is reduced.
【００２６】従って、図５の燃料極７と空気極５とを外
部回路に接続すると、空気極５から取り入れられた酸素
は外部回路から供給される電子を取り込んで酸素イオン
となり、この酸素イオンは固体電解質膜６を通って固体
電解質膜６と燃料極７との界面に到達する。Therefore, when the fuel electrode 7 and the air electrode 5 in FIG. 5 are connected to an external circuit, the oxygen taken in from the air electrode 5 takes in the electrons supplied from the external circuit and becomes oxygen ions. It passes through the solid electrolyte membrane 6 and reaches the interface between the solid electrolyte membrane 6 and the fuel electrode 7.
【００２７】一方、この界面には燃料極７中を拡散して
きた水素もしくは一酸化炭素が存在し、この水素もしく
は一酸化炭素と前記酸素イオンとが反応して水蒸気およ
び二酸化炭素を生成するとともに、外部回路に電子を放
出するので、外部回路には空気極５を正極、燃料極７を
負極とした起電力が生じ、電池としての作用がなされる
ことになる。On the other hand, hydrogen or carbon monoxide that has diffused in the fuel electrode 7 is present at this interface, and the hydrogen or carbon monoxide reacts with the oxygen ions to generate water vapor and carbon dioxide, and Since electrons are emitted to the external circuit, an electromotive force with the air electrode 5 as the positive electrode and the fuel electrode 7 as the negative electrode is generated in the external circuit, and the battery functions.
【００２８】[0028]
【発明の効果】上記したとおりであるから、本発明は、
緻密な固体電解質膜と多孔性の燃料極および空気極を容
易にしかも安価に構成することができ、その厚みはスラ
リーを成形する時間やスラリー中に浸漬する時間によっ
て任意にコントロールすることができ、そのイオン伝導
性や強度はスラリー中に含有させるジルコニア粉末の成
分によって任意にコントロールすることができるので、
高性能な固体電解質燃料電池を得ることができる。As described above, the present invention provides
The dense solid electrolyte membrane and the porous fuel electrode and air electrode can be easily and inexpensively configured, and the thickness thereof can be arbitrarily controlled by the time for forming the slurry and the time for dipping in the slurry, Since its ionic conductivity and strength can be arbitrarily controlled by the components of the zirconia powder contained in the slurry,
A high performance solid oxide fuel cell can be obtained.
【図１】本発明の固体電解質燃料電池の製造方法に使用
する型４の断面図である。FIG. 1 is a cross-sectional view of a mold 4 used in the method for producing a solid oxide fuel cell of the present invention.
【図２】図１の型４を用いて空気極成形体１を形成した
状態の断面図である。FIG. 2 is a cross-sectional view of a state where an air electrode molded body 1 is formed using the mold 4 of FIG.
【図３】図２の空気極成形体１を型４から取りはずし、
その一方の面に電解質成形体２を形成した状態の断面図
である。FIG. 3: Remove the air electrode molded body 1 of FIG. 2 from the mold 4,
FIG. 3 is a cross-sectional view of a state where an electrolyte molded body 2 is formed on one surface of the surface.
【図４】複合成形体を焼成して得た固体電解質−空気極
複合体の他方の面に燃料極７を形成した状態の断面図で
ある。FIG. 4 is a cross-sectional view showing a state where a fuel electrode 7 is formed on the other surface of the solid electrolyte-air electrode composite obtained by firing the composite molded body.
１ 空気極成形体 ２ 電解質成形体 ３ 燃料極成形体 ４ 型 ５ 空気極 ６ 固体電解質膜 ７ 燃料極 1 Air electrode molded body 2 Electrolyte molded body 3 Fuel electrode molded body 4 Type 5 Air electrode 6 Solid electrolyte membrane 7 Fuel electrode
Claims (3)
て空気極成形体を形成する工程と、この空気極成形体の
一方の面に電解質スラリーを塗布または該面を電解質ス
ラリー中に浸漬して電解質成形体を形成し、前記空気極
成形体と電解質成形体とが一体化されてなる複合成形体
を形成する工程と、この複合成形体を焼成して固体電解
質−空気極複合体とする工程と、この固体電解質−空気
極複合体の他方の面に燃料極成形体を形成し、焼成して
燃料極とする工程とからなることを特徴とする固体電解
質燃料電池の製造方法。1. A step of forming a slurry containing a metal oxide to form an air electrode formed body, and applying an electrolyte slurry to one surface of the air electrode formed body or immersing the surface in the electrolyte slurry. Forming an electrolyte molded body, and forming a composite molded body in which the air electrode molded body and the electrolyte molded body are integrated, and firing the composite molded body to obtain a solid electrolyte-air electrode composite body. A method for producing a solid electrolyte fuel cell, comprising the steps of: forming a fuel electrode molded body on the other surface of the solid electrolyte-air electrode composite and firing it to form a fuel electrode.
ルシウムドープＬａＭｎＯ3 、ＬａＣｏＯ3 、ＣａＭｎ
Ｏ3 であることを特徴とする請求項第１項記載の固体電
解質燃料電池の製造方法。2. The metal oxide is strontium- or calcium-doped LaMnO 3 , LaCoO 3 , CaMn.
The method for producing a solid oxide fuel cell according to claim 1, which is O 3 .
バルトの酸化物、金属ニッケルもしくは金属コバルトま
たはＮｉ−ＺｒＯ2 サーメットもしくはＣｏ−ＺｒＯ2
サーメットであることを特徴とする請求項第１項記載の
固体電解質燃料電池の製造方法。3. The fuel electrode comprises a nickel oxide or a cobalt oxide, metallic nickel or metallic cobalt, Ni—ZrO 2 cermet or Co—ZrO 2
It is a cermet, The manufacturing method of the solid electrolyte fuel cell of Claim 1 characterized by the above-mentioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02741692A JP3451627B2 (en) | 1992-01-17 | 1992-01-17 | Method for manufacturing solid electrolyte fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02741692A JP3451627B2 (en) | 1992-01-17 | 1992-01-17 | Method for manufacturing solid electrolyte fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05198306A true JPH05198306A (en) | 1993-08-06 |
| JP3451627B2 JP3451627B2 (en) | 2003-09-29 |
Family
ID=12220492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02741692A Expired - Fee Related JP3451627B2 (en) | 1992-01-17 | 1992-01-17 | Method for manufacturing solid electrolyte fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3451627B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005527074A (en) * | 2002-03-06 | 2005-09-08 | セレス・パワー・リミテッド | Method for forming an impermeable sintered ceramic electrolyte layer on a metal foil substrate for a solid oxide fuel cell |
-
1992
- 1992-01-17 JP JP02741692A patent/JP3451627B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005527074A (en) * | 2002-03-06 | 2005-09-08 | セレス・パワー・リミテッド | Method for forming an impermeable sintered ceramic electrolyte layer on a metal foil substrate for a solid oxide fuel cell |
| JP4699697B2 (en) * | 2002-03-06 | 2011-06-15 | セレス インテレクチュアル プロパティー カンパニー リミテッド | Method for forming an impermeable sintered ceramic electrolyte layer on a metal foil substrate for a solid oxide fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3451627B2 (en) | 2003-09-29 |
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