JP5048322B2 - セリア系電解質の高密度化 - Google Patents
セリア系電解質の高密度化 Download PDFInfo
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- JP5048322B2 JP5048322B2 JP2006506020A JP2006506020A JP5048322B2 JP 5048322 B2 JP5048322 B2 JP 5048322B2 JP 2006506020 A JP2006506020 A JP 2006506020A JP 2006506020 A JP2006506020 A JP 2006506020A JP 5048322 B2 JP5048322 B2 JP 5048322B2
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- 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
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
- H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
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Description
製造した電解質中の二価のカチオンの濃度を決定することと;
製造した電解質中の三価のカチオンの濃度を決定することと、前記二価のカチオンの濃度から三価のカチオンの調整された濃度を差し引いて二価のカチオンの有効濃度を出すことと
を含む、製造した電解質中の二価のカチオンの有効濃度の決定方法が提供される。三価のカチオンの悪影響のために、以下に記載するように、測定された濃度に5から10の間のファクターを掛ける必要がある。
電解質に付属した金属基板又は該基板上の酸化物層によって生成した蒸気から二価のカチオンを受け取ること;
基板材料中の三価のカチオンを二価のカチオンに還元すること;又は
製造の前又は間に二価のカチオンを電解質に特別に添加すること;
の1つ以上によって二価のカチオンの濃度を上昇させることを含む。
図1は、カチオンを0、1%及び2%添加したセリア系電解質ペレットの焼結特性を示し;
図2は、カチオンを0及び0.1%添加したセリア系電解質ペレットの焼結特性を示し;
図3は、金属箔で支持された厚膜のセル組立体の略図である。
[ME 2+]=[MA 2+]+[MI 2+]−Y[MI 3+] ・・・ (A)
Claims (13)
- (0.01−[M I 2+ ]+Y[M I 3+ ])≦ [M A 2+ ] ≦(0.1−[M I 2+ ]+Y[M I 3+ ])
(式中、[M A 2+ ]は、焼結プロセスの前に電解質に添加された二価のカチオンのモル%濃度を示し、
[M I 2+ ]は、電解質に二価のカチオンを添加することなく製造する場合に製造される電解質中に存在することが決定された二価のカチオンのモル%濃度を示し、
[M I 3+ ]は、電解質に二価のカチオンを添加することなく製造する場合に製造される電解質中に存在することが決定された三価のカチオンのモル%濃度を示し、
Yは、前記製造される電解質に対して経験的に決定される5から10の間の数である)になるように、焼結プロセスの前に二価のカチオンの電解質への添加を調整する及び/又は焼結プロセスの条件を調整することによって、製造した電解質中の二価及び三価のカチオンの濃度をコントロールし、
該電解質を1200℃以下で焼結する
ことを特徴とする、理論密度の97%より高い密度を有する焼結されたセリア系電解質の焼結プロセスによる製造方法。 - 焼結プロセスの条件をコントロールして、電解質中の三価のカチオン不純物の少なくとも一部を二価のカチオンに還元することを特徴とする請求項1に記載の方法。
- 焼結プロセスの条件をコントロールして適切な酸素又は水圧力を形成し、適切な量の三価のカチオン不純物を二価のカチオンに還元することを特徴とする請求項2に記載の方法。
- 前記電解質を基板上に設け、該基板の材料を選択して、電解質中における二価のカチオンの濃度及び三価のカチオンの濃度が要求される値になるようにすることを特徴とする請求項1,請求項2又は請求項3に記載の方法。
- 前記電解質と前記基板との間に電極を設けることを特徴とする請求項4に記載の方法。
- 前記電解質中の二価のカチオンの少なくとも一部が、金属基板又は金属基板上の酸化物層から生成した蒸気を起源とすることを特徴とする請求項1〜5のいずれか一項に記載の方法。
- 焼結プロセスの前に、前記電解質に二価のカチオンを加えることを特徴とする請求項1〜6のいずれかに記載の方法。
- (0.02−[M I 2+ ]+Y[M I 3+ ])≦ [M A 2+ ] ≦(0.09−[M I 2+ ]+Y[M I 3+ ])
になるように、製造された電解質中における二価及び三価のカチオンの濃度をコントロールすることを特徴とする請求項1〜7のいずれかに記載の方法。 - (0.03−[M I 2+ ]+Y[M I 3+ ])≦ [M A 2+ ] ≦(0.08−[M I 2+ ]+Y[M I 3+ ])
になるように、製造された電解質中における二価及び三価のカチオンの濃度をコントロールすることを特徴とする請求項8に記載の方法。 - 前記電解質を1100℃以下で焼結することを特徴とする請求項1〜9のいずれかに記載の方法。
- 前記電解質を1050℃以下で焼結することを特徴とする請求項10に記載の方法。
- 前記電解質を1000℃以下で焼結することを特徴とする請求項11に記載の方法。
- 前記電解質を厚膜として設けることを特徴とする請求項1〜12のいずれか一項に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0308215A GB2400486B (en) | 2003-04-09 | 2003-04-09 | Densification of ceria based electrolytes |
| GB0308215.3 | 2003-04-09 | ||
| PCT/GB2004/001293 WO2004089848A1 (en) | 2003-04-09 | 2004-03-25 | Densification of ceria based electrolytes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006523002A JP2006523002A (ja) | 2006-10-05 |
| JP5048322B2 true JP5048322B2 (ja) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006506020A Expired - Lifetime JP5048322B2 (ja) | 2003-04-09 | 2004-03-25 | セリア系電解質の高密度化 |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US7947212B2 (ja) |
| EP (1) | EP1608605B1 (ja) |
| JP (1) | JP5048322B2 (ja) |
| KR (1) | KR101065949B1 (ja) |
| CN (1) | CN100381395C (ja) |
| AU (1) | AU2004228427B2 (ja) |
| BR (1) | BRPI0409093B1 (ja) |
| CA (1) | CA2521901C (ja) |
| DK (1) | DK1608605T3 (ja) |
| EA (1) | EA009103B1 (ja) |
| ES (1) | ES2444217T3 (ja) |
| GB (1) | GB2400486B (ja) |
| MX (1) | MXPA05010789A (ja) |
| WO (1) | WO2004089848A1 (ja) |
| ZA (1) | ZA200508144B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006040985A1 (ja) * | 2004-10-15 | 2006-04-20 | Matsushita Electric Industrial Co., Ltd. | 燃料電池システム |
| GB2440038B (en) | 2006-07-07 | 2009-04-15 | Ceres Ip Co Ltd | Metal substrate for fuel cells |
| US9120245B1 (en) | 2007-05-09 | 2015-09-01 | The United States Of America As Represented By The Secretary Of The Air Force | Methods for fabrication of parts from bulk low-cost interface-defined nanolaminated materials |
| US9162931B1 (en) * | 2007-05-09 | 2015-10-20 | The United States Of America As Represented By The Secretary Of The Air Force | Tailored interfaces between two dissimilar nano-materials and method of manufacture |
| US8617456B1 (en) | 2010-03-22 | 2013-12-31 | The United States Of America As Represented By The Secretary Of The Air Force | Bulk low-cost interface-defined laminated materials and their method of fabrication |
| KR101478207B1 (ko) * | 2007-11-23 | 2015-01-02 | 삼성전자주식회사 | 이동통신 단말에서 블루투스를 이용하여 자바푸시를요구하는 기기들을 식별하기 위한 방법 및 장치 |
| GB2461115A (en) | 2008-04-23 | 2009-12-30 | Ceres Power Ltd | Fuel Cell Module Support |
| ATE557445T1 (de) | 2008-08-21 | 2012-05-15 | Ceres Ip Co Ltd | Verbesserter luftfluss der luftführungshutze eines brennstoffzellenstapels mithilfe einer luftverteilungsvorrichtung |
| FR2948821B1 (fr) | 2009-08-03 | 2011-12-09 | Commissariat Energie Atomique | Cellule electrochimique a metal support et son procede de fabrication |
| CN101654366B (zh) * | 2009-09-10 | 2012-10-24 | 中国矿业大学(北京) | 复合助烧剂及其用于低温制备纳米晶陶瓷的方法 |
| DE102012211669A1 (de) * | 2012-07-04 | 2014-01-09 | Behr Gmbh & Co. Kg | Klimaanlage |
| GB2517928B (en) | 2013-09-04 | 2018-02-28 | Ceres Ip Co Ltd | Metal supported solid oxide fuel cell |
| GB2517927B (en) * | 2013-09-04 | 2018-05-16 | Ceres Ip Co Ltd | Process for forming a metal supported solid oxide fuel cell |
| RU2677269C2 (ru) | 2014-03-12 | 2019-01-16 | Серес Интеллекчуал Проперти Компани Лимитед | Устройство батареи топливных элементов |
| GB2534124B (en) | 2014-12-19 | 2017-04-19 | Ceres Ip Co Ltd | A swirl burner assembly and method |
| US11527766B2 (en) | 2014-12-19 | 2022-12-13 | Ceres Intellectual Property Company Limited | Fuel cell system and tail gas burner assembly and method |
| GB2563848B (en) | 2017-06-26 | 2022-01-12 | Ceres Ip Co Ltd | Fuel cell stack assembly |
| GB201713141D0 (en) | 2017-08-16 | 2017-09-27 | Ceres Ip Co Ltd | Fuel cell unit |
| GB201913907D0 (en) | 2019-09-26 | 2019-11-13 | Ceres Ip Co Ltd | Fuel cell stack assembly apparatus and method |
| GB201915294D0 (en) | 2019-10-22 | 2019-12-04 | Ceres Ip Co Ltd | Alignment apparatus and methods of alignment |
| GB201915438D0 (en) | 2019-10-24 | 2019-12-11 | Ceres Ip Co Ltd | Metal-supported cell unit |
| GB2591462B (en) | 2020-01-27 | 2022-04-20 | Ceres Ip Co Ltd | Interlayer for solid oxide cell |
| GB202009687D0 (en) | 2020-06-25 | 2020-08-12 | Ceres Ip Co Ltd | Layer |
| US12322811B2 (en) | 2021-07-29 | 2025-06-03 | Nissan North America, Inc. | Metal-supported anode for solid oxide fuel cell |
| WO2023078940A1 (en) | 2021-11-08 | 2023-05-11 | Rhodia Operations | Cerium-gadolinium composite oxide |
| WO2023078944A1 (en) | 2021-11-08 | 2023-05-11 | Rhodia Operations | Cerium-gadolinium composite oxide |
| GB202304341D0 (en) | 2023-03-24 | 2023-05-10 | Ceres Ip Co Ltd | Solid oxide electrochemical cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB205291A (en) | 1922-09-07 | 1923-10-18 | Francis Mcnally | Improvements in thermometers |
| US5403461A (en) * | 1993-03-10 | 1995-04-04 | Massachusetts Institute Of Technology | Solid electrolyte-electrode system for an electrochemical cell |
| JPH092873A (ja) * | 1995-01-10 | 1997-01-07 | Tosoh Corp | ホタル石型セリア系固体電解質 |
| US5665482A (en) * | 1995-01-10 | 1997-09-09 | Tosoh Corporation | Fluorite structure type ceria type solid electrolyte |
| JPH10154523A (ja) * | 1996-09-27 | 1998-06-09 | Tosoh Corp | 欠陥ホタル石型セリア系固体電解質 |
| DE59806553D1 (de) * | 1998-11-13 | 2003-01-16 | Eidgenoess Tech Hochschule | Verfahren zur Herstellung von dotierter Ceroxidkeramik |
| CN1150647C (zh) * | 2000-02-16 | 2004-05-19 | 刘向荣 | 中温氧化物燃料电池的复合陶瓷材料 |
| ES2344545T3 (es) * | 2000-03-10 | 2010-08-31 | Danmarks Tekniske Universitet | Un metodo de fabricacion de una celula de combustible de oxido solido. |
| JP4352594B2 (ja) * | 2000-03-15 | 2009-10-28 | 三菱マテリアル株式会社 | 酸化物イオン伝導体及びその製造方法並びにこれを用いた燃料電池 |
| GB2368450B (en) | 2000-10-25 | 2004-05-19 | Imperial College | Fuel cells |
| US6770392B2 (en) * | 2001-04-27 | 2004-08-03 | Air Products And Chemicals, Inc. | Ceria based solid electrolytes |
| GB2386126B (en) * | 2002-03-06 | 2006-03-08 | Ceres Power Ltd | Forming an impermeable sintered ceramic electrolyte layer on a metallic foil substrate for solid oxide fuel cell |
-
2003
- 2003-04-09 GB GB0308215A patent/GB2400486B/en not_active Expired - Lifetime
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2004
- 2004-03-25 CN CNB200480009486XA patent/CN100381395C/zh not_active Expired - Lifetime
- 2004-03-25 EP EP04723244.2A patent/EP1608605B1/en not_active Expired - Lifetime
- 2004-03-25 DK DK04723244.2T patent/DK1608605T3/da active
- 2004-03-25 EA EA200501588A patent/EA009103B1/ru not_active IP Right Cessation
- 2004-03-25 KR KR1020057019309A patent/KR101065949B1/ko not_active Expired - Lifetime
- 2004-03-25 AU AU2004228427A patent/AU2004228427B2/en not_active Ceased
- 2004-03-25 WO PCT/GB2004/001293 patent/WO2004089848A1/en not_active Ceased
- 2004-03-25 BR BRPI0409093-4B1A patent/BRPI0409093B1/pt not_active IP Right Cessation
- 2004-03-25 MX MXPA05010789A patent/MXPA05010789A/es active IP Right Grant
- 2004-03-25 US US10/552,476 patent/US7947212B2/en active Active
- 2004-03-25 JP JP2006506020A patent/JP5048322B2/ja not_active Expired - Lifetime
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|---|---|
| GB2400486A (en) | 2004-10-13 |
| CN1771212A (zh) | 2006-05-10 |
| AU2004228427A1 (en) | 2004-10-21 |
| GB2400486B (en) | 2006-05-10 |
| EA200501588A1 (ru) | 2006-04-28 |
| CA2521901C (en) | 2011-09-06 |
| CN100381395C (zh) | 2008-04-16 |
| AU2004228427B2 (en) | 2009-09-17 |
| US20110177427A1 (en) | 2011-07-21 |
| GB0308215D0 (en) | 2003-05-14 |
| HK1069680A1 (en) | 2005-05-27 |
| EP1608605A1 (en) | 2005-12-28 |
| US7947212B2 (en) | 2011-05-24 |
| KR101065949B1 (ko) | 2011-09-19 |
| WO2004089848A1 (en) | 2004-10-21 |
| JP2006523002A (ja) | 2006-10-05 |
| BRPI0409093B1 (pt) | 2013-08-27 |
| US20070020498A1 (en) | 2007-01-25 |
| MXPA05010789A (es) | 2006-03-30 |
| ZA200508144B (en) | 2006-10-25 |
| EP1608605B1 (en) | 2013-08-28 |
| BRPI0409093A (pt) | 2006-04-11 |
| ES2444217T3 (es) | 2014-02-24 |
| EA009103B1 (ru) | 2007-10-26 |
| KR20060012271A (ko) | 2006-02-07 |
| CA2521901A1 (en) | 2004-10-21 |
| DK1608605T3 (da) | 2013-12-09 |
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