JPH09283161A - Manufacture of cylindrical solid electrolyte fuel cell - Google Patents

Manufacture of cylindrical solid electrolyte fuel cell

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Publication number
JPH09283161A
JPH09283161A JP8092600A JP9260096A JPH09283161A JP H09283161 A JPH09283161 A JP H09283161A JP 8092600 A JP8092600 A JP 8092600A JP 9260096 A JP9260096 A JP 9260096A JP H09283161 A JPH09283161 A JP H09283161A
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JP
Japan
Prior art keywords
electrode
cylindrical
connected
solvent
powder
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
Application number
JP8092600A
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Japanese (ja)
Inventor
Tsutomu Iwazawa
Masataka Mochizuki
Masakatsu Nagata
Mikiyuki Ono
幹幸 小野
力 岩澤
正孝 望月
雅克 永田
Original Assignee
Fujikura Ltd
株式会社フジクラ
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Application filed by Fujikura Ltd, 株式会社フジクラ filed Critical Fujikura Ltd
Priority to JP8092600A priority Critical patent/JPH09283161A/en
Publication of JPH09283161A publication Critical patent/JPH09283161A/en
Application status is Pending legal-status Critical

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/56Manufacturing of fuel cells

Abstract

PROBLEM TO BE SOLVED: To provide an even and fine electrolyte layer by arranging a pair of electrodes formed in the similar shape to a tubular body, to which the electrolyte is to be adhered, on the same shaft, and using electrophoresis.
SOLUTION: The inside of an electrophoretic cell 10 is filled with the solvent 15, and electrodes 17, 19 are dipped therein. The electrodes 17, 19 are connected to a DC power source. The solvent is composed of iodine, acetyl acetone or the like, and suspended with YSZ powder 25. A tubular air pole 11 is connected to the electrode 17 as a (-) pole, and a cylindrical body 13 made of a metal plate such as copper, which is arranged in the peripheral position of the same shaft of a tubular body of the air pole 11 and supported by insulating support bases 23, is connected to the electrode 19 as a (+) pole. In this condition, both electrodes 17, 19 are electrified, and the YSZ powder 25 is electrodeposited on the surface of the tubular body of the air pole 11. Control thereof is performed on the basis of the voltage and the current to be applied between both electrodes 17, 19 and the applying time. After the YSZ layer at the predetermined thickness is obtained, drying and burning are performed so as to obtain a solid electrolyte layer.
COPYRIGHT: (C)1997,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】この発明は、円筒型の固体電解質燃料電池(solid Oxide Fuel C TECHNICAL FIELD The present invention is a cylindrical solid electrolyte fuel cell (solid Oxide Fuel C
ells,以下SOFCと略記)の製造方法に関し、特に、その電解質層の成膜方法に関する。 ells, relates to a manufacturing method of the following SOFC hereinafter), in particular, it relates to a film forming method of the electrolyte layer.

【0002】 [0002]

【従来の技術】円筒型のSOFCの電池構造は、縦縞方式と横縞方式の2種類があり、円筒型は、機械的強度が比較的優れており、また、熱応力が緩和しやすくガスシールも容易など作動時における信頼性が高いことから盛んに開発が行なわれている。 Cell structure of the SOFC of the Related Art cylindrical, there are two types of vertical stripe type and multi-segment type, a cylindrical type, mechanical strength and relatively good, also the thermal stress relaxation easily blanketed actively developed because of high reliability is performed during operation and ease.

【0003】図3はアメリカのWH社が開発した縦縞方式のもので、1本の円筒型の多孔質体の上に単セルが1 [0003] Figure 3 is intended vertical stripe schemes American WH developed by the company, the single cell 1 on the porous body of one cylindrical
個で構成されている。 It is composed of a number.

【0004】図4は横縞方式のもので、1本の円筒型の多孔質体の上に単セルが複数直列接続されている。 [0004] Figure 4 is intended multi-segment type, single cells are more connected in series on the porous body of one cylindrical.

【0005】単セルは、ニッケルと安定化ジルコニアのサーメットからなる多孔質の燃料極1と、イットリア安定化ジルコニア(YSZ)からなる固体電解質体2と、 [0005] Single cell, the fuel electrode 1 of porous made of cermet of nickel and stabilized zirconia, a solid electrolyte body 2 made of yttria-stabilized zirconia (YSZ),
ランタンストロンチウムマンガンナイトLa(Sr)M Lanthanum strontium manganese night La (Sr) M
n3等からなる空気極3と、ランタンカルシウムクロマイトCa(Ca)C r3等からなインターコネクタ4とから構成されている。 an air electrode 3 consisting of n O 3, etc., and a lanthanum calcium chromite Ca (Ca) C r O 3 or the like from such interconnector 4.

【0006】上記の円筒型SOFCにおいて、固体電解質のYSZの成膜は、電気化学蒸着法やプラズマ溶射法により行なわれている。 [0006] In the cylindrical SOFC, the deposition of the YSZ solid electrolyte is made by electrochemical vapor deposition or plasma spraying. その他湿式法としては、スラリー塗布法、スラリーディッピング法等が実施されている。 Other wet methods, slurry coating, slurry dipping method and the like are performed.

【0007】また、特開平2−30797号公報に、固体電解質厚膜の製造方法として好適な電気泳動法について紹介されているが、円筒型SOFCへの電気泳動法による適用例は未だない。 Further, in JP-A-2-30797, has been introduced a suitable electrophoresis as a manufacturing method of the solid electrolyte thick film applications are not yet due electrophoresis to cylindrical SOFC.

【0008】 [0008]

【発明が解決しようとする課題】しかしながら円筒型S The object of the invention is to however cylindrical S
OFCの製作に関しては、低コストで、緻密な電解質の成膜を得るに優れた電気泳動電着について未開発であった。 For the OFC fabrication, low cost, had not been developed for better electrophoretic electrodeposition to obtain the deposition of dense electrolyte. また、スラリー塗布法やスラリーデイッピング法では、電解質膜の均一成膜が困難である。 Further, in the slurry coating method or the slurry Day Tsu ping method, it is difficult to uniform deposition of the electrolyte membrane.

【0009】この発明の目的は、円筒型SOFCの電解質の緻密化を図り、OCV(Open circuit An object of this invention aims to densification of the electrolyte of the cylindrical SOFC, OCV (Open Circuit
Voltage)の向上、燃料利用率の向上及びセルの内部抵抗の低減を図ることにある。 Improving Voltage), it is to reduce the internal resistance of the improvement and cells of the fuel utilization rate.

【0010】 [0010]

【課題を解決するための手段】上述の目的はこの発明によれば、円筒型SOFC電解質の成膜方法であって、溶媒中にYSZ等の粉体を懸濁させ、該溶媒中に設けた陰陽両極に通電し、陰極端子に接続した部材に前記YSZ SUMMARY OF THE INVENTION The foregoing objects according to the present invention, there is provided a method of forming a cylindrical SOFC electrolyte, suspended powder of YSZ or the like in a solvent, provided the solvent energizing the cathode and anode, said members connected to the cathode terminal YSZ
等の粉体を電着させて膜を形成する方法において、 管状の空気極又は管状の燃料極が陰極端子に接続され、該空気極管又は燃料極管の同軸外周位置に銅板の円筒体を配置して陽極端子に接続されて、前記空気極管体又は燃料極の管体の外側表面にYSZ等の粉体を付着堆積させることを特徴とする。 A method of forming a powder by electrodeposition film etc., tubular air electrode or tubular fuel electrode is connected to the cathode terminal, the cylindrical body of copper plate coaxially peripheral position of the air Kikyoku tube or fuel-electrode element is connected to the anode terminal arranged to, wherein the depositing depositing a powder of YSZ or the like on the outer surface of the tubular body of the air electrode element, or the fuel electrode.

【0011】又、円筒状の空気極又は円筒状の燃料極が陰極端子に接続され、該空気極円筒体又は燃料極円筒体の同軸中心位置に銅の丸棒を配置して陽極端子に接続されて、前記空気極円筒体又は燃料極円筒体の内側面上にYSZ等粉体を付着させることを特徴とする。 [0011] Further, a cylindrical air electrode or cylindrical anode is connected to the cathode terminal, connected to the anode terminal arranged round bar copper coaxial center position of the air Kikyoku cylinders or fuel electrode cylinder has been characterized by the deposition of YSZ or the like powder on the inner surface of the air electrode cylinder or fuel electrode cylinder.

【0012】なお、上記の空気極及び燃料極には、その支持管を有するものも含まれる。 [0012] Incidentally, in the above air electrode and the fuel electrode include those having the support tube.

【0013】上述の方法によりYSZ粉体を所定厚さ付着乾燥させ焼成を経て円筒型SOFCの固体電解質体が形成される。 [0013] The solid electrolyte body through sintering of YSZ powder by a predetermined thickness adhering drying cylindrical SOFC is formed by the method described above.

【0014】この発明の円筒型SOFCのYSZ成膜は電気泳動法を用いるとともに付着させたい円筒状のものと同形状の対極を配置しているので、円筒表面又は内表面に緻密で均一にYSZを付着させことができる。 [0014] Since the YSZ film formation of cylindrical SOFC of the invention are arranged opposite of cylindrical ones having the same shape to be adhered together using an electrophoresis method, dense and evenly to the cylindrical surface or the inner surface YSZ it is possible to adhere the.

【0015】 [0015]

【発明の実施の形態】この発明の実施の形態を図面に基づいて詳細に説明する。 DETAILED DESCRIPTION OF THE INVENTION be described in detail with reference to the embodiment of the invention with reference to the accompanying drawings.

【0016】図1はこの発明の請求項1に係る実施形態を示す装置の概略図であって、(イ)は装置全体を説明する概略図、(ロ)は陰陽両極の位置関係を示す平面図である。 [0016] Figure 1 is a schematic view of the apparatus showing an embodiment according to claim 1 of the present invention, (a) is a schematic view illustrating the entire apparatus, (b) is a plan showing the positional relationship between the cathode and anode it is a diagram. 図において、電気泳動用セル10の内部には溶媒15によって満たされている。 In the figure, the inside of the electrophoresis cell 10 is filled with the solvent 15. この電気泳動用セル1 The electrophoresis cell 1
0には溶媒15に浸漬された電極17,19が設けられており、この電極17,19はDC Power Su 0 is submerged electrodes 17 and 19 are provided in the solvent 15, the electrode 17, 19 is DC Power Su
pply 21の−極、+極の端子に接続される。 pply 21 of - pole, is connected to the terminal of the positive pole. 溶媒15はヨウ素、アセチルアセトン等からなり、この溶媒15にYSZ粉末(粒径0.2μm程度)25を懸濁させている。 The solvent 15 is iodine consists acetylacetone or the like, and by suspending YSZ powder (particle size of about 0.2 [mu] m) 25 in the solvent 15.

【0017】−極の電極17にはLaSrM n3からなる管状の空気極11を接続し、+極の電極19には前記空気極管体11の同軸外周位置に配置して絶縁支持台23によって設置された銅板の円筒体13を接続する。 [0017] - Position of the electrode 17 is connected to tubular air electrode 11 made of LaSrM n O 3, + the the electrode 19 of the electrode air-electrode element 11 of the coaxial outer periphery arranged at a position in the insulating support 23 connecting the cylindrical body 13 of the copper plate installed by.
上記の状態で前記陰陽両極17,19に通電し、陰極端子に接続した空気極管体11の表面に前記YSZ粉末2 Wherein energizing the cathode and anode 17 and 19, the surface of the air electrode element 11 that is connected to the cathode terminal in the above state YSZ powder 2
5を電着させる。 5 to be electrodeposited. これらの制御は陰陽両極17,19間にかける電圧と電流及び時間によって行われる。 These controls are performed by the voltage and current and time spent between cathode and anode 17 and 19.

【0018】上記の電着により所定厚さのYSZ層が得られた後、乾燥して焼成しSOFCの固体電解質層が得られる。 [0018] After the YSZ layer of a predetermined thickness is obtained by electrodeposition of the, dried and fired solid electrolyte layer of the SOFC is obtained.

【0019】次に図2は、この発明の請求項2に係る実施形態を示す装置の概略図であって、(イ)は装置全体を説明する概略図、(ロ)は陰陽両極の位置関係を示す平面図である。 [0019] Next Fig. 2 is a schematic view of the apparatus showing an embodiment according to claim 2 of the present invention, (a) is a schematic view illustrating the entire apparatus, (ii) the positional relationship between the cathode and anode is a plan view showing a. 図において、電気泳動用セル10の内部には溶媒15によって満たされている。 In the figure, the inside of the electrophoresis cell 10 is filled with the solvent 15. この溶媒15は先に説明したものと同じものである。 The solvent 15 is the same as those described above. 電気泳動用セル1 Electrophoresis cell 1
0には溶媒15に浸漬されて電極17,9が設けられており、この電極17,19はDC Power Sup 0 are immersed electrodes 17,9 provided in the solvent 15, the electrode 17, 19 is DC Power Sup
ply 21の−極、+極の端子に接続される。 ply 21 of - pole, it is connected to the terminal of the positive pole.

【0020】−極の電極17にはニッケルとYSZのサーメットからなる燃料極円筒体12を接続し、この燃料極円筒体12は絶縁支持台23に載設されている。 [0020] - the poles of the electrode 17 is connected to the fuel electrode cylinder 12 made of cermet of nickel and YSZ, the fuel electrode cylinder 12 is No設 the insulating support 23. 一方+極の電極19には、燃料極円筒体12の同軸中心位置に設置された銅の丸棒14を接続する。 Meanwhile the + electrode 19 of the electrode, connects the rod 14 of copper disposed coaxially centered position of the fuel electrode cylinder 12.

【0021】上記の状態で前記陰陽両極17,19に電通し、陰極端子に接続した燃料極円筒体12の内側表面に溶媒15に懸濁されているYSZ粉末25を電着させる。 [0021] and Dentsu to the cathode and anode 17 and 19 in the above state, electrodepositing YSZ powder 25 that is suspended in a solvent 15 to the inner surface of the fuel electrode cylinder 12 connected to the cathode terminal. 先に説明したと同様に電着の制御は陰陽両極にかける電圧、電流及び時間によって行われる。 Control voltage applied to the cathode and anode similarly electrodeposition as that described above, it is performed by the current and time. YSZ粉末を電着した後、乾燥、焼成して、あるいは、電着−焼成をくり返えし行うことによってSOFCの固体電解質層が得られる。 After electrodeposition the YSZ powder, dried, fired to, or electrodeposition - solid electrolyte layer of the SOFC is obtained by performing was repeated Kaee firing.

【0022】 [0022]

【発明の効果】この発明によれば円筒型固体電解質燃料電池の製造方法であって、付着させたい管状または円筒状のものと相似形の対極を同軸上に配置しているので、 Effects of the Invention A manufacturing method of a cylindrical solid electrolyte fuel cell according to the present invention, since the tubular or cylindrical ones similar shapes of the counter electrode should adhere are arranged coaxially,
低コストで均一に成膜できる電気泳動法を有効に利用できる。 Can be effectively utilized electrophoresis method can be uniformly formed at a low cost.

【0023】従って、円筒型SOFCであっても緻密な固体電解質層が容易に得ることができ、OCVの向上、 [0023] Therefore, even cylindrical SOFC can dense solid electrolyte layer is obtained easily, improving OCV,
燃料利用率の向上、及びセルの内部抵抗の低減を図ることができる。 Improvement in fuel utilization, and it is possible to reduce the internal resistance of the cell.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】この発明の実施形態を説明する電気泳動法電着装置の概略図である。 1 is a schematic diagram of electrophoresis electrodeposition apparatus for explaining an embodiment of the present invention.

【図2】この発明の他の実施形態を説明する電気泳動法電着装置の概略図である。 Figure 2 is a schematic diagram of electrophoresis electrodeposition apparatus for explaining another embodiment of the present invention.

【図3】縦縞円筒方式固体電解質燃料電池を示す斜視図である。 3 is a perspective view showing a vertical-striped cylindrical type solid electrolyte fuel cell.

【図4】横縞円筒方式固体電解質燃料電池を示す一部縦断面図である。 4 is a longitudinal sectional view of a portion showing a lateral stripe cylindrical type solid electrolyte fuel cell.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 燃料極 2 固体電解質 3 空気極 4 インターコネクタ 10 電気泳動用セル 11 空気極管 12 燃料極円筒体 13 銅板の円筒体 14 銅の丸棒 15 溶媒 17 陰極 19 陽極 25 イットリア安定化ジルコニア(YSZ)粉末 1 fuel electrode 2 solid electrolyte 3 air electrode 4 interconnector 10 electrophoresis cell 11 air-electrode element 12 anode cylinder 13 of the cylinder 14 of copper of the copper plate rod 15 solvent 17 cathode 19 anode 25 yttria-stabilized zirconia (YSZ) powder

───────────────────────────────────────────────────── ────────────────────────────────────────────────── ───

【手続補正書】 [Procedure amendment]

【提出日】平成8年12月2日 [Filing date] December 2, 1996

【手続補正1】 [Amendment 1]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】特許請求の範囲 [Correction target item name] the scope of the appended claims

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【特許請求の範囲】 [The claims]

【手続補正2】 [Amendment 2]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】0010 [Correction target item name] 0010

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【0010】 [0010]

【課題を解決するための手段】上述の目的はこの発明によれば、円筒型SOFC電解質の成膜方法であって、溶媒中にYSZ等の粉体を懸濁させ、該溶媒中に設けた陰陽両極に通電し、陰極端子に接続した部材に前記YSZ SUMMARY OF THE INVENTION The foregoing objects according to the present invention, there is provided a method of forming a cylindrical SOFC electrolyte, suspended powder of YSZ or the like in a solvent, provided the solvent energizing the cathode and anode, said members connected to the cathode terminal YSZ
等の粉体を電着させて膜を形成する方法において、管状の空気極又は管状の燃料極が陰極端子に接続され、該空気極管又は燃料極管の同軸外周位置に金属板の円筒体を配置して陽極端子に接続されて、前記空気極管体又は燃料極の管体の外側表面にYSZ等の粉体を付着堆積させることを特徴とする。 A method of forming a powder by electrodeposition film etc., tubular air electrode or tubular fuel electrode is connected to the cathode terminal, the cylindrical body of the metal plate coaxially peripheral position of the air Kikyoku tube or fuel-electrode element the arrangement to be connected to the anode terminal, characterized in that to the powder deposition deposition of YSZ or the like on the outer surface of the tubular body of the air electrode element, or the fuel electrode.

【手続補正3】 [Amendment 3]

【補正対象書類名】明細書 [Correction target document name] specification

【補正対象項目名】0011 [Correction target item name] 0011

【補正方法】変更 [Correction method] change

【補正内容】 [Correction contents]

【0011】又、円筒状の空気極又は円筒状の燃料極が陰極端子に接続され、該空気極円筒体又は燃料極円筒体の同軸中心位置に金属の丸棒を配置して陽極端子に接続されて、前記空気極円筒体又は燃料極円筒体の内側面上にYSZ等粉体を付着させることを特徴とする。 [0011] Further, a cylindrical air electrode or cylindrical anode is connected to the cathode terminal, connected to the anode terminal arranged round bar of a metal coaxial center position of the air Kikyoku cylinders or fuel electrode cylinder has been characterized by the deposition of YSZ or the like powder on the inner surface of the air electrode cylinder or fuel electrode cylinder.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 岩澤 力 東京都江東区木場1−5−1 株式会社フ ジクラ内 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Tsutomu Iwasawa, Koto-ku, Tokyo Kiba 1-5-1 Co., Ltd. in the off Jikura

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 円筒型固体電解質燃料電池の電解質の成膜方法であって、溶媒中に安定化ジルコニアの粉体を懸濁させ、該溶媒中に設けた陰陽両極に通電し、陰極端子に接続した部材に前記安定化ジルコニアの粉体を電着させて膜を形成する方法において、 管状の空気極又は管状の燃料極が陰極端子に接続され、 1. A method of forming a cylindrical solid electrolyte fuel cell of the electrolyte, suspended powder stabilized zirconia in a solvent, by energizing the cathode and anode provided in the solvent, the cathode terminal a method of forming the electrodeposited a powder of stabilized zirconia film member connected, tubular air electrode or tubular fuel electrode is connected to the cathode terminal,
    該空気極管又は燃料極管の同軸外周位置に銅板の円筒体を配置して陽極端子に接続されて、前記空気極管体又は燃料極の管体の外側表面に安定化ジルコニア粉体を付着堆積させ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。 The air Kikyoku tube or a coaxial outer peripheral position of the fuel-electrode element by disposing a cylindrical body of a copper plate connected to the anode terminal, attaching the stabilized zirconia powder on the outer surface of the tubular body of the air electrode element body or fuel electrode cylindrical solid preparation method of electrolyte fuel cell characterized by depositing.
  2. 【請求項2】 円筒型固体電解質燃料電池の電解質の成膜方法であって、溶媒中に安定化ジルコニアの粉体を懸濁させ、該溶媒中に設けた陰陽両極に通電し、陰極端子に接続した部材に前記安定化ジルコニアの粉体を電着させて膜を形成する方法において、 円筒状の空気極又は円筒状の燃料極が陰極端子に接続され、該空気極円筒体又は燃料極の円筒体の同軸中心位置に銅の丸棒を配置して陽極端子に接続されて、前記空気極円筒体又は燃料極円筒体の内側面上に安定化ジルコニア粉体を付着堆積させ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。 2. A method of forming a cylindrical solid electrolyte fuel cell of the electrolyte, suspended powder stabilized zirconia in a solvent, by energizing the cathode and anode provided in the solvent, the cathode terminal a method of forming the electrodeposited a powder of stabilized zirconia film member connected, a cylindrical air electrode or cylindrical anode is connected to the cathode terminal, of the air Kikyoku cylinders or fuel electrode It is connected to the anode terminal arranged round bar copper coaxial center position of the cylindrical body, and characterized by adhering deposit stabilized zirconia powder on the inner surface of the air electrode cylinder or fuel electrode cylinder cylindrical solid preparation method of electrolyte fuel cell.
JP8092600A 1996-04-15 1996-04-15 Manufacture of cylindrical solid electrolyte fuel cell Pending JPH09283161A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6846588B2 (en) * 2002-01-16 2005-01-25 Alberta Research Council Inc. Hollow inorganic membranes produced by metal or composite electrodeposition
US7736772B2 (en) 2002-02-14 2010-06-15 Alberta Research Council, Inc. Tubular solid oxide fuel cell stack
US8709674B2 (en) 2005-04-29 2014-04-29 Alberta Research Council Inc. Fuel cell support structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6846588B2 (en) * 2002-01-16 2005-01-25 Alberta Research Council Inc. Hollow inorganic membranes produced by metal or composite electrodeposition
US7736772B2 (en) 2002-02-14 2010-06-15 Alberta Research Council, Inc. Tubular solid oxide fuel cell stack
US8709674B2 (en) 2005-04-29 2014-04-29 Alberta Research Council Inc. Fuel cell support structure

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