KR20160036615A - 전극용 촉매 재료, 연료 전지용 전극, 전극용 촉매 재료의 제조 방법 및, 연료 전지 - Google Patents
전극용 촉매 재료, 연료 전지용 전극, 전극용 촉매 재료의 제조 방법 및, 연료 전지 Download PDFInfo
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- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
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- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
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- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
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- H01M4/8875—Methods for shaping the electrode into free-standing bodies, like sheets, films or grids, e.g. moulding, hot-pressing, casting without support, extrusion without support
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Abstract
Description
도 2는 환원 과정에 있어서의 니켈 산화물의 X선 흡수 미세 구조 해석 데이터에, 니켈 산화물(NiO)과, 니켈 금속의 데이터를 피팅(fitting)시켜, 실측한 니켈 산화물의 환원율을 구하는 수법을 설명하는 도면이다.
도 3은 실시 형태에 따른 각 시료를 형성하기 위한 분체 재료의 배합량을 나타내는 표이다.
도 4는 함침법에 의해 형성되는 본 발명에 따른 촉매 재료의 구조를 개략적으로 나타내는 도면이다.
도 5는 실시 형태에 따른 X선 흡수 미세 구조 해석(XAFS) 장치의 일 예를 나타내는 도면이다.
도 6은 측정시의 가열 과정의 온도와 가스 분위기 변화를 나타내는 도면이다.
도 7은 Ni 산화물과 Co 산화물로 구성되는 복합 촉매의 환원율의 시간 경과에 따른 변화를 나타내는 그래프이다.
도 8은 Ni 산화물과 Fe 산화물로 구성되는 복합 촉매의 환원율의 시간 경과에 따른 변화를 나타내는 그래프이다.
도 9는 도 7에 따른 Co 산화물의 환원율의 시간 경과에 따른 변화를 나타내는 그래프이다.
도 10은 도 8에 따른 Fe 산화물의 환원율의 시간 경과에 따른 변화를 나타내는 그래프이다.
도 11은 Ni 산화물과 Co 산화물로 구성되는 복합 촉매의 환원율을 나타내는 표이다.
도 12는 도 11에 있어서의 Ni 산화물 및 Co 산화물의 환원율을 막대 그래프로 나타낸 도면이다.
도 13은 Ni 산화물과 Fe 산화물로 구성되는 복합 촉매의 환원율을 나타내는 표이다.
도 14는 도 13에 있어서의 Ni 산화물 및 Fe 산화물의 환원율을 막대 그래프로 나타낸 도면이다.
2 : 시료
3 : 실시 형태에 따른 시료를 장착한 용기를 형성한 X선 흡수 미세 구조 해석(XAFS) 장치
3a : X선 흡수 미세 구조 해석(XAFS) 장치
4 : 검출기
5 : 검출기
6 : 히터
Claims (11)
- 고체 산화물형 연료 전지의 전극용 촉매 재료로서,
니켈 산화물과 코발트 산화물을 포함하여 구성됨과 함께,
니켈 금속 성분과 코발트 금속 성분의 합계 질량에 대하여, 코발트 금속 성분을 2∼15질량% 포함하는 전극용 촉매 재료. - 제1항에 있어서,
니켈 산화물 입자의 표면의 일부 또는 전부에, 코발트 산화물 입자를 분산 담지시킨 구조를 구비하는 전극용 촉매 재료. - 제1항 또는 제2항에 있어서,
1㎛∼50㎛의 입경을 구비하는 Ni-Co 산화물 복합 입자를 50% 이상 포함하여 구성되는 전극용 촉매 재료. - 제1항 내지 제3항 중 어느 한 항에 기재된 전극용 촉매 재료를 이용하여 형성된 연료 전지용 전극.
- 제4항에 있어서,
Ni 성분의 환원율이 95% 이상인 연료 전지용 전극. - 니켈 산화물과 코발트 산화물을 포함하여 구성되는 연료 전지용 전극 촉매 재료의 제조 방법으로서,
코발트 금속 성분이, 니켈 금속 성분과 코발트 금속 성분의 합계량에 대하여 2∼15질량%가 되도록, 니켈 산화물에 코발트 산화물을 함침법에 의해 첨가하는 첨가 공정을 포함하는 연료 전지용 전극 촉매 재료의 제조 방법. - 연료 전지의 전극용 촉매 재료로서,
니켈 산화물과 철 산화물을 포함하여 구성됨과 함께,
니켈 금속 성분과 철금속 성분의 합계 질량에 대하여, 철금속 성분을 2∼10질량% 포함하는 전극용 촉매 재료. - 니켈 산화물과 철 산화물을 포함하여 구성되는 연료 전지용 전극 촉매 재료의 제조 방법으로서,
니켈 금속 성분과 철금속 성분의 합계량에 대하여, 철금속 성분이 2∼10질량%가 되도록, 니켈 산화물에 철 산화물을 함침법에 의해 첨가하는 첨가 공정을 포함하는 연료 전지용 전극 촉매 재료의 제조 방법. - 제7항에 기재된 전극용 촉매 재료를 이용하여 형성된 연료 전지용 전극.
- 제9항에 있어서,
Ni 성분의 환원율이 95% 이상인 연료 전지용 전극. - 제1항 또는 제7항에 기재된 전극용 촉매 재료를 이용하여 형성된 전극을 구비하는 연료 전지.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013179937A JP6252973B2 (ja) | 2013-08-30 | 2013-08-30 | 電極用触媒材料、燃料電池用電極、電極用触媒材料の製造方法、及び燃料電池 |
| JPJP-P-2013-179937 | 2013-08-30 | ||
| PCT/JP2014/062952 WO2015029506A1 (ja) | 2013-08-30 | 2014-05-15 | 電極用触媒材料、燃料電池用電極、電極用触媒材料の製造方法、及び燃料電池 |
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| Publication Number | Publication Date |
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| KR20160036615A true KR20160036615A (ko) | 2016-04-04 |
| KR101841504B1 KR101841504B1 (ko) | 2018-03-23 |
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| KR1020167005162A Expired - Fee Related KR101841504B1 (ko) | 2013-08-30 | 2014-05-15 | 전극용 촉매 재료, 연료 전지용 전극, 전극용 촉매 재료의 제조 방법 및, 연료 전지 |
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| Country | Link |
|---|---|
| US (1) | US10003082B2 (ko) |
| EP (1) | EP3041073B1 (ko) |
| JP (1) | JP6252973B2 (ko) |
| KR (1) | KR101841504B1 (ko) |
| CN (1) | CN105493324B (ko) |
| WO (1) | WO2015029506A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20210005913A1 (en) * | 2018-03-06 | 2021-01-07 | Sumitomo Electric Industries, Ltd. | Electrolyte layer-anode composite member for fuel cell, cell structure, fuel cell, and method for manufacturing composite member |
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| JP3208935B2 (ja) | 1993-06-14 | 2001-09-17 | 石川島播磨重工業株式会社 | 溶融炭酸塩型燃料電池用電極の製造方法 |
| US7351491B2 (en) * | 2003-04-28 | 2008-04-01 | Battelle Memorial Institute | Supporting electrodes for solid oxide fuel cells and other electrochemical devices |
| JP2005158377A (ja) * | 2003-11-25 | 2005-06-16 | Nissan Motor Co Ltd | 固体電解質型燃料電池 |
| JP2006318769A (ja) * | 2005-05-12 | 2006-11-24 | Shinko Electric Ind Co Ltd | 電極材料及び燃料電池 |
| JP4999436B2 (ja) * | 2006-12-01 | 2012-08-15 | 新光電気工業株式会社 | 直接火炎型燃料電池 |
| JP2010232134A (ja) * | 2009-03-30 | 2010-10-14 | Mitsubishi Materials Corp | 耐久性のある燃料極およびこの燃料極を組み込んだ固体酸化物形燃料電池 |
| KR20130040640A (ko) * | 2011-10-14 | 2013-04-24 | 삼성전자주식회사 | 고체산화물 연료전지용 복합체 음극 소재, 상기 소재를 포함하는 음극 및 고체산화물 연료전지 |
| JP2013161662A (ja) | 2012-02-06 | 2013-08-19 | Nippon Telegr & Teleph Corp <Ntt> | 燃料極の評価方法 |
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- 2013-08-30 JP JP2013179937A patent/JP6252973B2/ja active Active
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- 2014-05-15 WO PCT/JP2014/062952 patent/WO2015029506A1/ja not_active Ceased
- 2014-05-15 KR KR1020167005162A patent/KR101841504B1/ko not_active Expired - Fee Related
- 2014-05-15 US US14/913,395 patent/US10003082B2/en active Active
- 2014-05-15 CN CN201480047867.0A patent/CN105493324B/zh active Active
- 2014-05-15 EP EP14840966.7A patent/EP3041073B1/en active Active
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| Publication number | Publication date |
|---|---|
| EP3041073A4 (en) | 2016-07-06 |
| CN105493324B (zh) | 2017-10-31 |
| US10003082B2 (en) | 2018-06-19 |
| JP6252973B2 (ja) | 2017-12-27 |
| JP2015049993A (ja) | 2015-03-16 |
| EP3041073A1 (en) | 2016-07-06 |
| US20160248101A1 (en) | 2016-08-25 |
| CN105493324A (zh) | 2016-04-13 |
| WO2015029506A1 (ja) | 2015-03-05 |
| EP3041073B1 (en) | 2017-03-08 |
| KR101841504B1 (ko) | 2018-03-23 |
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