JP2009512976A - アルカリ燃料電池用電極及び前記電極を作成する少なくとも1つの工程を含む燃料電池の製造方法 - Google Patents
アルカリ燃料電池用電極及び前記電極を作成する少なくとも1つの工程を含む燃料電池の製造方法 Download PDFInfo
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Abstract
Description
−ナノメートルサイズの触媒粒子を備えた触媒層と、
−2つの対向する表面を備えた多孔質層であって、前記2つの対向する表面のいずれか一方の表面は前記触媒層と接触しており、前記多孔質層は多孔質複合材料で形成されており、前記多孔質複合材料は、水酸化イオン伝導高分子マトリックスを備え、前記水酸化イオン伝導高分子マトリックス中に、前記多孔質層の前記2つの対向する表面をつなぐ複数の電子的伝導経路を構成する金属格子が、形成されている前記多孔質層と、
から構成されることによって達成される。
Claims (16)
- 少なくとも活性層を有するアルカリ燃料電池用電極(1、10)であって、前記電極は、電子と水酸化イオンとを伝導し、且つ、触媒であり、
前記活性層は、二重層(2、11)もしくは複数の二重層(2a、...、2n)のスタック、により形成されており、各二重層(2、11、2a、...、2n)は、
−ナノメートルサイズの触媒粒子(6)を備えた触媒層(3)と、
−2つの対向する表面(4a、4b)を備えた多孔質層(4)であって、前記2つの対向する表面(4a、4b)のいずれか一方の表面は前記触媒層(3)と接触しており、前記多孔質層(4)は多孔質複合材料で形成されており、前記多孔質複合材料は、水酸化イオン伝導高分子マトリックス(7)を備え、前記水酸化イオン伝導高分子マトリックス(7)中に、前記多孔質層の前記2つの対向する表面をつなぐ複数の電子的伝導経路を構成する金属格子が形成されている、前記多孔質層(4)と、
から構成されることを特徴とする電極。 - 請求項1に記載された電極(1、10)であって、前記触媒層(3)は、2nmから50nmの厚さを有することを特徴とする電極。
- 請求項1もしくは2に記載された電極(1、10)であって、前記多孔質層(4)は、50nmから1000nmの厚さを有することを特徴とする電極。
- 請求項1から3のいずれか1つに記載された電極(1、10)であって、前記水酸化イオン伝導高分子は、少なくとも、水酸化イオン交換官能基を有し、前記水酸化イオン交換官能基は、4級アンモニウム官能基、4級ホスホニウム官能基及び3級スルホニウム官能基から選択されることを特徴とする電極。
- 請求項1から4のいずれか1つに記載された電極(1、10)であって、前記触媒が、白金、白金ルテニウム合金、銀及び銅から選択されることを特徴とする電極。
- 請求項1から5のいずれか1つに記載された電極(1、10)であって、前記金属(8)は、前記多孔質複合材料の前記金属格子を構成し、銀及び金から選択されることを特徴とする電極。
- 請求項1から6のいずれか1つに記載された電極(1、10)であって、前記電極は、付加層(5)を有し、前記付加層(5)の上に前記活性層が配置されることを特徴とする電極。
- アルカリ燃料電池の製造方法であって、請求項1から7の1つに記載された電極(1、10)の製造工程を少なくとも1つ有し、前記電極(1、10)の前記製造工程は、少なくとも前記活性層を担体の自由表面上に真空蒸着することを有し、各二重層(2、11、2a、...、2n)の前記触媒層(3)は、ナノメートルのサイズの触媒粒子(6)の真空蒸着により形成され、且つ、前記多孔質層(4)は水酸化イオン伝導高分子及び金属(8)の複合真空蒸着により形成される、ことを特徴とする方法。
- 請求項8に記載された方法において、複数の二重層(2、11、2a、...、2n)を、前記担体の前記自由表面に連続的に蒸着し、前記活性層を構成する前記スタックを形成することを特徴とする方法。
- 請求項8もしくは9に記載された方法において、前記触媒層(3)の蒸着は、真空スパッタリング法により行うことを特徴とする方法。
- 請求項8から10のいずれか1つに記載された方法において、前記多孔質層(4)の複合蒸着は、前記水酸化イオン伝導高分子のプラズマ化学気相成長と、前記金属(8)の蒸着と、を同時に行うことを特徴とする方法。
- 請求項8から11のいずれか1つに記載された方法において、前記活性層を担体の自由表面の上に真空蒸着し、次いで、前記活性層の化学処理工程を行うことを特徴とする方法。
- 請求項8から12のいずれか1つに記載された方法において、連続的に、
−第1電極(1)の製造工程であって、前記担体の前記自由表面を、前記第1電極(1)の前記活性層を受け止めるように設計し、前記活性層を、前記付加層(5)の自由表面によって形成する、工程と、
−電解膜(9)の真空蒸着工程であって、前記電解膜(9)を、前記第1電極(1)の前記活性層の前記自由表面の上に蒸着する、工程と、
−第2電極(10)の製造工程であって、前記担体の前記表面を、前記第2電極(10)の前記活性層を受けとめるように設計し、前記活性層を、前記電解膜(9)の前記自由表面によって形成する、工程と、
を有することを特徴とする方法。 - 請求項13に記載された方法において、前記第1及び第2の電極(1、10)の前記触媒層(3)の前記各触媒は、同一であることを特徴とする方法。
- 請求項13もしくは14に記載された方法において、前記第1及び第2の電極(1、10)の前記多孔質層(4)の前記各高分子は、同一であることを特徴とする方法。
- 請求項15に記載された方法において、前記電解膜(9)は、孔のない薄膜によって形成され、前記孔のない薄膜は、前記第1及び第2の電極(1、10)の前記多孔質層(4)の前記高分子と同一である水酸化イオン伝導高分子を有することを特徴とする方法。
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Application Number | Priority Date | Filing Date | Title |
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FR0510658 | 2005-10-19 | ||
FR0510658A FR2892233B1 (fr) | 2005-10-19 | 2005-10-19 | Electrode pour pile a combustible alcaline et procede de fabrication d'une pile a combustible alcaline comportant au moins une etape de fabrication d'une telle electrode. |
PCT/FR2006/002340 WO2007045763A1 (fr) | 2005-10-19 | 2006-10-18 | Electrode pour pile a combustible alcaline et procede de fabrication d'une pile e combustible comportant au moins une etape de fabrication d'une telle electrode |
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JP2009512976A true JP2009512976A (ja) | 2009-03-26 |
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EP (1) | EP1941569B1 (ja) |
JP (1) | JP5172685B2 (ja) |
ES (1) | ES2436102T3 (ja) |
FR (1) | FR2892233B1 (ja) |
WO (1) | WO2007045763A1 (ja) |
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JP2010033759A (ja) * | 2008-07-25 | 2010-02-12 | Toshiba Corp | 触媒層担持基板の製造方法、触媒層担持基板、膜電極複合体、および燃料電池 |
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CA2763147C (en) * | 2008-06-04 | 2018-07-24 | Cellera, Inc. | Alkaline membrane fuel cells and apparatus and methods for supplying water thereto |
US8304368B2 (en) * | 2009-02-23 | 2012-11-06 | Cellera, Inc. | Catalyst coated membrane (CCM) and catalyst film/layer for alkaline membrane fuel cells and methods of making same |
CN102325602B (zh) * | 2009-02-23 | 2015-07-22 | 塞尔拉公司 | 用于碱性膜燃料电池的催化剂涂层膜(ccm)和催化剂膜/催化层及其制备方法 |
CA2770880C (en) | 2009-08-24 | 2018-10-16 | Cellera, Inc. | Systems and methods of securing immunity to air co2 in alkaline fuel cells |
JP6073036B2 (ja) | 2010-06-07 | 2017-02-01 | セルエラ, インコーポレイテッド | 膜電解質型燃料電池における触媒/膜表面付着のための化学結合 |
GB2523045B (en) * | 2012-12-17 | 2017-11-15 | Afc Energy Plc | Fuel cells and method of operation |
FR3009834B1 (fr) * | 2013-08-23 | 2015-08-28 | Commissariat Energie Atomique | Assemblage couche active/membrane pour dispositif de production d'hydrogene et ensemble comprenant ledit assemblage adapte a un collecteur de courant poreux et procede de fabrication de l'assemblage |
DE102015116351A1 (de) * | 2015-09-28 | 2017-03-30 | Von Ardenne Gmbh | Verfahren zur Substratbeschichtung mit Partikeln und Vorrichtung zur Ausführung des Verfahrens |
IL259978B (en) * | 2018-06-12 | 2020-07-30 | Pocell Tech Ltd | An assembly of an alkaline fuel cell containing a thin membrane and a method for its preparation |
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JP2007514290A (ja) * | 2003-12-16 | 2007-05-31 | コミサリア、ア、レネルジ、アトミク | 炭酸化による影響を受けないアルカリ燃料電池 |
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JP2010033759A (ja) * | 2008-07-25 | 2010-02-12 | Toshiba Corp | 触媒層担持基板の製造方法、触媒層担持基板、膜電極複合体、および燃料電池 |
US8758959B2 (en) | 2008-07-25 | 2014-06-24 | Kabushiki Kaisha Toshiba | Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell |
US9666875B2 (en) | 2008-07-25 | 2017-05-30 | Kabushiki Kaisha Toshiba | Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell |
Also Published As
Publication number | Publication date |
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FR2892233A1 (fr) | 2007-04-20 |
EP1941569A1 (fr) | 2008-07-09 |
FR2892233B1 (fr) | 2007-11-23 |
US8017283B2 (en) | 2011-09-13 |
EP1941569B1 (fr) | 2013-09-04 |
ES2436102T3 (es) | 2013-12-27 |
JP5172685B2 (ja) | 2013-03-27 |
WO2007045763A1 (fr) | 2007-04-26 |
US20090042092A1 (en) | 2009-02-12 |
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