JP2006277992A - 固体高分子形燃料電池の燃料極用触媒 - Google Patents
固体高分子形燃料電池の燃料極用触媒 Download PDFInfo
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
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- B01J23/46—Ruthenium, rhodium, osmium or iridium
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- H01M4/00—Electrodes
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- H01M4/90—Selection of catalytic material
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- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
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- H01M2008/1095—Fuel cells with polymeric electrolytes
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Abstract
【解決手段】 本発明は、貴金属微粒子を、導電性物質からなる担体に担持してなる固体高分子形燃料電池の燃料極用の触媒であって、前記貴金属微粒子と、前記導電性物質からなる担体との重量比(貴金属微粒子:導電性物質)は、60:40〜95:5であり、且つ、前記貴金属微粒子は、(a)貴金属微粒子は、白金とルテニウムを含み、その配合比(白金:ルテニウム)がモル比で1:1〜1:3の範囲にあり、(b)貴金属微粒子は、平均粒子径が3〜10nmであり、更に、(c)貴金属微粒子は、酸素を含有し、貴金属微粒子と酸素との重量比(貴金属微粒子:酸素)が、86:14〜96:4である固体高分子形燃料電池の燃料極用の触媒である。
【選択図】 なし
Description
(a)貴金属微粒子は、白金とルテニウムを含み、その配合比(白金:ルテニウム)がモル比で1:1〜1:3の範囲にあること。
(b)貴金属微粒子は、平均粒子径が3〜10nmであること。
(c)貴金属微粒子は、酸素を含有し、貴金属微粒子と酸素との重量比(貴金属微粒子:酸素)が、86:14〜96:4であること。
温度:60℃
燃料:100%水素
まず、貴金属粒子の担持量の異なる触媒の電極特性を検討した。ここで使用した担体は、比表面積130m2/g、格子面間隔d0020.344Åの炭素粉末である。また、白金とルテニウムとの混合比は1:1であり、酸素含有量は92:8(貴金属粒子:酸素の重量比)である。表1は、この検討結果を示す。
ここでは、白金とルテニウムとの混合比の異なる貴金属粒子が担持された触媒の電極特性を検討した。尚、ここで使用した担体は、比表面積800m2/g、格子面間隔d0020.355Åの炭素粉末である。また、貴金属粒子担持量は90重量%(貴金属粒子:担体=90:10)とし、酸素含有量は95:5〜89:11(貴金属粒子:酸素の重量比)の範囲内にある。表2は、この検討結果を示す。
ここでは、酸素含有量が1重量%(貴金属粒子重量:酸素重量=99:1)以下である貴金属粒子が担持された触媒と、酸素含有量が7重量%(貴金属粒子重量:酸素重量=93:7)である貴金属粒子が担持された触媒についての電極特性を検討した。ここで使用した担体は、比表面積800m2/g、格子面間隔d0020.355Åの炭素粉末である。また、貴金属粒子担持量は70重量%(貴金属粒子:担体=70:30)とし、白金とルテニウムとの混合比は1:1とした。表3は、その結果を示す。
上記実施例1〜3では、担体として比表面積130m2/g、格子面間隔d0020.344Å、比表面積800m2/g、格子面間隔d0020.355Åのの2種の炭素粉末を用い、これに白金、ルテニウムを担持した触媒の評価を行なった。ここでは、更に、2種の担体を用いた触媒についての検討を行った。これらの触媒の貴金属粒子担持量は、80重量%(貴金属粒子:担体=80:20)とし、白金とルテニウムとの混合比1:1、酸素含有量は92:8(貴金属粒子:酸素の重量比)とした。表4は、その結果を示す。
Claims (3)
- 貴金属微粒子を、導電性物質からなる担体に担持してなる固体高分子形燃料電池の燃料極用の触媒であって、
前記貴金属微粒子と、前記導電性物質からなる担体との重量比(貴金属微粒子:導電性物質)は、60:40〜95:5であり、且つ、
前記貴金属微粒子は、下記(a)〜(c)の条件を具備するものである固体高分子形燃料電池の燃料極用の触媒。
(a)貴金属微粒子は、白金とルテニウムを含み、その配合比(白金:ルテニウム)がモル比で1:1〜1:3の範囲にあること。
(b)貴金属微粒子は、平均粒子径が3〜10nmであること。
(c)貴金属微粒子は、酸素を含有し、貴金属微粒子と酸素との重量比(貴金属微粒子:酸素)が、86:14〜96:4であること。 - 導電性物質はカーボン材料であり、その比表面積が10〜1000m2/gである請求項1記載の固体高分子形燃料電池の燃料極用の触媒。
- 導電性物質はカーボン材料であり、その比表面積が10〜300m2/gであり、且つ、その(002)面の格子面間隔d002が0.334〜0.348Åである請求項1記載の固体高分子形燃料電池の燃料極用の触媒。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005091392A JP4405934B2 (ja) | 2005-03-28 | 2005-03-28 | 固体高分子形燃料電池の燃料極用触媒 |
US11/302,394 US7335619B2 (en) | 2005-03-28 | 2005-12-14 | Catalyst for fuel electrode of solid polymer fuel cell |
KR1020050134934A KR101211844B1 (ko) | 2005-03-28 | 2005-12-30 | 고체고분자형 연료전지의 연료극용 촉매 |
DE602006009170T DE602006009170D1 (de) | 2005-03-28 | 2006-01-13 | Katalysator für eine Brennstoffelektrode einer Festpolymer-Brennstoffzelle |
EP06250161A EP1710856B1 (en) | 2005-03-28 | 2006-01-13 | Catalyst for fuel electrode of solid polymer fuel cell |
AT06250161T ATE443348T1 (de) | 2005-03-28 | 2006-01-13 | Katalysator für eine brennstoffelektrode einer festpolymer-brennstoffzelle |
CN2006100093196A CN1841822B (zh) | 2005-03-28 | 2006-02-23 | 固体高分子型燃料电池的燃料极用催化剂 |
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JP2005091392A JP4405934B2 (ja) | 2005-03-28 | 2005-03-28 | 固体高分子形燃料電池の燃料極用触媒 |
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JP2006277992A true JP2006277992A (ja) | 2006-10-12 |
JP4405934B2 JP4405934B2 (ja) | 2010-01-27 |
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US (1) | US7335619B2 (ja) |
EP (1) | EP1710856B1 (ja) |
JP (1) | JP4405934B2 (ja) |
KR (1) | KR101211844B1 (ja) |
CN (1) | CN1841822B (ja) |
AT (1) | ATE443348T1 (ja) |
DE (1) | DE602006009170D1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006318707A (ja) * | 2005-05-11 | 2006-11-24 | Honda Motor Co Ltd | 固体高分子型燃料電池の電極構造体 |
JP2009301918A (ja) * | 2008-06-16 | 2009-12-24 | Toshiba Fuel Cell Power Systems Corp | 燃料電池およびそれを用いた燃料電池システム |
JP2010272248A (ja) * | 2009-05-19 | 2010-12-02 | Univ Of Yamanashi | 固体高分子形燃料電池用高電位安定担体および電極触媒 |
US9006133B2 (en) | 2008-10-24 | 2015-04-14 | Oned Material Llc | Electrochemical catalysts for fuel cells |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009026546A (ja) * | 2007-07-18 | 2009-02-05 | Toyota Motor Corp | 燃料電池用の電極と電極形成用の電解質分散溶液とその製造方法および固体高分子型燃料電池 |
JP5759695B2 (ja) * | 2010-09-24 | 2015-08-05 | 株式会社キャタラー | 燃料電池用担持触媒の製造方法 |
CN112838226B (zh) * | 2021-01-22 | 2022-12-16 | 中汽创智科技有限公司 | 抗反极催化剂、制备方法和应用 |
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US5879827A (en) * | 1997-10-10 | 1999-03-09 | Minnesota Mining And Manufacturing Company | Catalyst for membrane electrode assembly and method of making |
JP2000268828A (ja) | 1999-03-18 | 2000-09-29 | Asahi Glass Co Ltd | 固体高分子型燃料電池 |
DE60007334T2 (de) | 1999-08-23 | 2004-10-21 | Ballard Power Systems | Brennstoffzellenanodenstruktur mit verbesserter toleranz gegenüber für spannungsumpolung |
DE10084947T1 (de) | 1999-08-23 | 2002-07-25 | Ballard Power Systems | Unterstützte Katalysatoren für die Anode einer spannungsumkehrtoleranten Brennstoffzelle |
JP2001325964A (ja) | 2000-05-19 | 2001-11-22 | Ne Chemcat Corp | 固体高分子電解質型燃料電池用電極触媒 |
EP1164651A1 (en) | 2000-06-12 | 2001-12-19 | Asahi Glass Co., Ltd. | Electrode catalyst for polymer electrolyte fuel cell and method for its production |
WO2002015303A1 (fr) * | 2000-08-16 | 2002-02-21 | Matsushita Electric Industrial Co., Ltd. | Pile a combustible |
EP1254711A1 (de) * | 2001-05-05 | 2002-11-06 | OMG AG & Co. KG | Edelmetallhaltiger Trägerkatalysator und Verfahren zu seiner Herstellung |
JP3621078B2 (ja) | 2002-06-20 | 2005-02-16 | 田中貴金属工業株式会社 | 高分子固体電解質形燃料電池の燃料極 |
JP2004127814A (ja) | 2002-10-04 | 2004-04-22 | Toyota Motor Corp | 燃料電池用電極触媒及びその製造方法 |
JP5082187B2 (ja) * | 2003-10-06 | 2012-11-28 | 日産自動車株式会社 | 固体高分子型燃料電池用電極触媒粒子の製造方法 |
JP4463522B2 (ja) * | 2003-10-16 | 2010-05-19 | 日揮触媒化成株式会社 | 電極の触媒用微粒子および該電極触媒用微粒子分散液、該電極触媒用微粒子分散液の製造方法 |
KR100552697B1 (ko) | 2003-11-13 | 2006-02-20 | 삼성에스디아이 주식회사 | 금속 산화물-탄소 복합체로 이루어진 촉매 담체 및 이를이용한연료전지 |
KR100756498B1 (ko) * | 2003-11-26 | 2007-09-10 | 히다치 막셀 가부시키가이샤 | 액체연료전지용 발전소자와 그 제조방법 및 그것을 사용한액체연료전지 |
US7192670B2 (en) * | 2003-12-26 | 2007-03-20 | Hitachi Maxell, Ltd. | Fuel cell and membrane electrode assembly |
US7625660B2 (en) * | 2003-12-26 | 2009-12-01 | Hitachi Maxell, Ltd. | Fuel cell and membrane electrode assembly |
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2005
- 2005-03-28 JP JP2005091392A patent/JP4405934B2/ja active Active
- 2005-12-14 US US11/302,394 patent/US7335619B2/en active Active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006318707A (ja) * | 2005-05-11 | 2006-11-24 | Honda Motor Co Ltd | 固体高分子型燃料電池の電極構造体 |
JP2009301918A (ja) * | 2008-06-16 | 2009-12-24 | Toshiba Fuel Cell Power Systems Corp | 燃料電池およびそれを用いた燃料電池システム |
US9006133B2 (en) | 2008-10-24 | 2015-04-14 | Oned Material Llc | Electrochemical catalysts for fuel cells |
JP2010272248A (ja) * | 2009-05-19 | 2010-12-02 | Univ Of Yamanashi | 固体高分子形燃料電池用高電位安定担体および電極触媒 |
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Publication number | Publication date |
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EP1710856A2 (en) | 2006-10-11 |
CN1841822B (zh) | 2011-05-25 |
KR101211844B1 (ko) | 2012-12-12 |
EP1710856B1 (en) | 2009-09-16 |
KR20060103810A (ko) | 2006-10-04 |
DE602006009170D1 (de) | 2009-10-29 |
EP1710856A3 (en) | 2006-11-29 |
ATE443348T1 (de) | 2009-10-15 |
CN1841822A (zh) | 2006-10-04 |
US20060217265A1 (en) | 2006-09-28 |
US7335619B2 (en) | 2008-02-26 |
JP4405934B2 (ja) | 2010-01-27 |
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