JP4429022B2 - 膜電極接合体とその製造法及びそれを用いた燃料電池とその製造法 - Google Patents
膜電極接合体とその製造法及びそれを用いた燃料電池とその製造法 Download PDFInfo
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- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1027—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
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- H01M8/1018—Polymeric electrolyte materials
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- H01M8/1032—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having sulfur, e.g. sulfonated-polyethersulfones [S-PES]
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
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- 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
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Description
図2は各燃料電池の電圧と電流密度との関係を示す線図である。実施例1、3、4及び比較例3、4の電解重合させて得た膜電極接合体を用いた燃料電池は電流密度50mA/cm2で300mV又は350mV以上、120mA/cm2で50mV又は180mV以上を有し、比較例1、2のものに比べ、高い電流-電圧特性を示した。一方、電解重合させていない実施例2の膜電極接合体を用いた燃料電池は電解重合させた実施例1のものに比べ特性がかなり低下した。
12…プロトン伝導性芳香族高分子膜
13…カソード電極
14…外部回路
15…燃料
16…二酸化炭素
17…酸化ガス
18…排ガス
Claims (12)
- プロトン伝導性芳香族高分子電解質膜の一方の面に触媒層を有するアノード電極及び他方の面に触媒層を有するカソード電極を備え、前記アノード電極及び前記カソード電極の前記触媒層はπ共役系芳香族高分子と触媒とを有し、前記π共役系芳香族高分子は側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかであることを特徴とする膜電極接合体。
- 請求項1において、前記プロトン伝導性芳香族高分子電解質膜が、スルホン化ポリエーテルケトン、スルホン化ポリエーテルスルホン、スルホン化アクリルニトリル−ブタジエン−スチレンコポリマー及びスルホン化ポリスルフィッドのいずれかであることを特徴とする膜電極接合体。
- 請求項1又は2において、前記イオン交換基がスルホン酸基あるいはリン酸基であることを特徴とする膜電極接合体。
- 請求項1〜3のいずれかにおいて、前記アノード電極が、炭素系粉末担体に白金とルテニウムとの混合微粒子又は白金-ルテニウム合金の微粒子を分散担持した前記触媒を有することを特徴とする膜電極接合体。
- 請求項1〜4のいずれかにおいて、前記カソード電極が、炭素系粉末担体に白金の微粒子を分散担持した前記触媒を有することを特徴とする膜電極接合体。
- プロトン伝導性芳香族高分子電解質膜の一方の面に側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかで構成されるπ共役系芳香族高分子と触媒とを有する触媒層を有するアノード電極を形成する工程と、
他方の面に側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかで構成されるπ共役系芳香族高分子と触媒とを有する触媒層を有するカソード電極を形成する工程とを有することを特徴とする膜電極接合体の製造法。 - 請求項6において、前記アノード電極を形成する工程は、前記π共役系芳香族高分子溶液に白金とルテニウムとの混合微粒子又は白金-ルテニウム合金の微粒子を分散担持した炭素系粉末担体を加えてスラリーとし、該スラリーを前記電解質膜の一方の面に塗布し、乾燥後、加熱加圧成形する工程を有することを特徴とする膜電極接合体の製造法。
- 請求項6又は7において、前記カソード電極を形成する工程は、前記π共役系芳香族高分子溶液に白金の微粒子を分散担持した炭素系粉末担体を加えてスラリーとし、該スラリーを前記電解質膜の他方の面に塗布し、乾燥後、加熱加圧成形する工程を有することを特徴とする膜電極接合体の製造法。
- 請求項1〜5のいずれかに記載の膜電極接合体を具備し、前記アノード電極に燃料を供給する燃料供給手段、前記カソード電極に酸化ガスを供給する酸化ガス供給手段、前記燃料の燃焼ガスを排出する燃焼排ガス排出手段及び前記酸化ガスの排ガスを排出する酸化排ガス排出手段を有することを特徴とする燃料電池。
- アノード電極に燃料を供給する燃料供給手段、カソード電極に酸化ガスを供給する酸化ガス供給手段、前記燃料の燃焼ガスを排出する燃焼排ガス排出手段及び前記酸化ガスの排ガスを排出する酸化排ガス排出手段を有する燃料電池において、
前記アノード電極がプロトン伝導性高分子電解質膜の一方の面に側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかで構成されるπ共役系芳香族高分子と触媒とを有する触媒層を有し、
前記カソード電極が前記電解質膜の他方の面に側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかで構成されるπ共役系芳香族高分子と触媒とを有する触媒層を有し、
前記アノード電極及び前記カソード電極の少なくとも一方の前記π共役系芳香族高分子は電解重合されていることを特徴とする燃料電池。 - プロトン伝導性高分子電解質膜の一方の面に側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかで構成されるπ共役系芳香族高分子と触媒とを有する触媒層を有するアノード電極が形成され、該アノード電極に燃料を供給する燃料供給手段、
前記電解質膜の他方の面に側鎖にイオン交換基を有するポリアニリン、ポリピロール及びポリチオフェンのいずれかで構成されるπ共役系芳香族高分子と触媒とを有する触媒層を有するカソード電極が形成され、該カソード電極に酸化ガスを供給する酸化ガス供給手段、
前記燃料の燃焼ガスを排出する燃焼排ガス排出手段及び前記酸化ガスの排ガスを排出する酸化排ガス排出手段を有する燃料電池の製造法であって、
前記カソード電極に燃料を供給しながら前記アノード電極にプラス極及び前記カソード電極にマイナス極の電界を与える第1工程と、前記アノード電極に燃料を供給しながら前記アノード電極にマイナス極及び前記カソード電極にプラス極の電界を与える第2工程の少なくとも一方の工程により前記π共役系芳香族高分子を電解重合することを特徴とする燃料電池の製造法。 - 請求項11において、前記第1工程の後に前記第2工程を有することを特徴とする燃料電池の製造法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2004001598A JP4429022B2 (ja) | 2004-01-07 | 2004-01-07 | 膜電極接合体とその製造法及びそれを用いた燃料電池とその製造法 |
US11/028,215 US20050147869A1 (en) | 2004-01-07 | 2005-01-04 | Membrane electrode assembly, fuel cell using same and process for producing them |
US11/259,255 US20060057453A1 (en) | 2004-01-07 | 2005-10-27 | Membrane electrode assembly, fuel cell using same and process for producing them |
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JP2004001598A JP4429022B2 (ja) | 2004-01-07 | 2004-01-07 | 膜電極接合体とその製造法及びそれを用いた燃料電池とその製造法 |
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JP2005197071A JP2005197071A (ja) | 2005-07-21 |
JP4429022B2 true JP4429022B2 (ja) | 2010-03-10 |
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JP2004001598A Expired - Fee Related JP4429022B2 (ja) | 2004-01-07 | 2004-01-07 | 膜電極接合体とその製造法及びそれを用いた燃料電池とその製造法 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4688157B2 (ja) * | 2005-12-28 | 2011-05-25 | トヨタ自動車株式会社 | 燃料電池電極用触媒の製造方法 |
KR101264331B1 (ko) * | 2006-02-25 | 2013-05-14 | 삼성에스디아이 주식회사 | 고분자 전해질막, 이의 제조 방법 및 이를 구비한 연료전지 |
JP2007280946A (ja) * | 2006-03-16 | 2007-10-25 | Fujifilm Corp | 膜/電極接合体および燃料電池 |
KR100754379B1 (ko) * | 2006-09-04 | 2007-08-31 | 삼성에스디아이 주식회사 | 이성분성 또는 다성분성 전극촉매, 그 제조방법 및 상기전극촉매를 채용한 연료전지 |
JP2009049004A (ja) * | 2007-07-20 | 2009-03-05 | Toray Ind Inc | 液体供給型燃料電池の製造方法 |
WO2009038172A1 (ja) * | 2007-09-21 | 2009-03-26 | Taiyo Nippon Sanso Corporation | カーボンナノ構造物成長用触媒層形成方法、触媒層形成用液及びカーボンナノ構造物製造方法 |
CA2706703C (en) * | 2009-06-10 | 2019-01-08 | Friedrich W. Wieland | Improved electrocatalyst, fuel cell cathode and fuel cell |
JP5358408B2 (ja) * | 2009-11-26 | 2013-12-04 | 株式会社日立製作所 | 膜電極接合体及びこれを用いた燃料電池 |
CN114602764B (zh) * | 2020-12-09 | 2023-02-28 | 中国科学院大连化学物理研究所 | 一种制备燃料电池膜电极的静电狭缝涂布法 |
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US5364711A (en) * | 1992-04-01 | 1994-11-15 | Kabushiki Kaisha Toshiba | Fuel cell |
US6703150B2 (en) * | 1993-10-12 | 2004-03-09 | California Institute Of Technology | Direct methanol feed fuel cell and system |
DE19959289A1 (de) * | 1999-12-09 | 2001-06-13 | Axiva Gmbh | Verfahren zur Herstellung von sulfonierten aromatischen Polymeren und Verwendung der Verfahrensprodukte zur Herstellung von Membranen |
IL142951A0 (en) * | 2001-05-03 | 2002-04-21 | Univ Ben Gurion | Improvements in methanol fuel cells |
ATE287579T1 (de) * | 2001-05-22 | 2005-02-15 | Umicore Ag & Co Kg | Verfahren zur herstellung einer membran- elektrodeneinheit und dadurch hergestellte membran-elektrodeneinheit |
JP3561250B2 (ja) * | 2001-09-21 | 2004-09-02 | 株式会社日立製作所 | 燃料電池 |
US7241334B2 (en) * | 2002-05-23 | 2007-07-10 | Columbian Chemicals Company | Sulfonated carbonaceous materials |
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2004
- 2004-01-07 JP JP2004001598A patent/JP4429022B2/ja not_active Expired - Fee Related
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2005
- 2005-01-04 US US11/028,215 patent/US20050147869A1/en not_active Abandoned
- 2005-10-27 US US11/259,255 patent/US20060057453A1/en not_active Abandoned
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US20050147869A1 (en) | 2005-07-07 |
US20060057453A1 (en) | 2006-03-16 |
JP2005197071A (ja) | 2005-07-21 |
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