JP5936898B2 - 固体電解質積層体、固体電解質積層体の製造方法及び燃料電池 - Google Patents
固体電解質積層体、固体電解質積層体の製造方法及び燃料電池 Download PDFInfo
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Description
2 固体電解質層
3 アノード電極層
4 カソード電極層
Claims (13)
- プロトン導電性を有する固体電解質層を備えるとともに、
上記固体電解質層の一側に積層され、ランタンストロンチウムコバルト複合酸化物(LSC)からなるカソード電極層を備え、
上記固体電解質層は、イットリウム添加ジルコン酸バリウム(BZY)から形成されており、
上記イットリウム添加量が、15〜20mol%であるとともに、
上記固体電解質層の100℃〜1000℃における格子定数の温度変化に対する増加率が3.3×10 −5 Å/℃〜4.3×10 −5 Å/℃である、固体電解質積層体。 - 上記固体電解質層は、結晶粒の平均径が1μm以上である、請求項1に記載の固体電解質積層体。
- 上記固体電解質層の室温での格子定数が4.218Å〜4.223Åである、請求項1又は請求項2に記載の固体電解質積層体。
- 上記固体電解質層の400℃〜800℃における、プロトン伝導度が1mS/cm〜60mS/cmである、請求項1から請求項3のいずれか1項に記載の固体電解質積層体。
- 上記固体電解質層の他側に積層されるとともに、ニッケル−イットリウム添加ジルコン酸バリウム(Ni−BZY)からなるアノード電極を備える、請求項1から請求項4のいずれか1項に記載の固体電解質積層体。
- 請求項1から請求項5のいずれか1項に記載の固体電解質積層体の製造方法であって、
BaCO3と、ZrO2と、Y2O3とを混合して粉砕する第1の粉砕工程と、
上記粉砕した混合物を、所定温度で所定時間熱処理する第1の熱処理工程と、
上記第1の熱処理工程を終えた混合物を再度粉砕する第2の粉砕工程と、
上記第2の粉砕工程を終えた混合物を圧縮成形する第1の圧縮成形工程と、
上記圧縮成形した成形体を所定温度で熱処理する第2の熱処理工程と、
上記第2の熱処理工程を終えた成形体を粉砕する第3の粉砕工程と、
上記第3の粉砕工程を終えた粉砕物を圧縮成形する第2の圧縮成形工程と、
上記第2の圧縮成形工程により成形された成形体を、酸素雰囲気下、1400℃〜1600℃の温度で、少なくとも20時間熱処理する固体電解質焼結工程と、
上記固体電解質焼結工程を終えた焼結体を、上記固体電解質焼結工程より低い温度で所定時間保持する第3の熱処理工程と、
上記第3の熱処理工程を終えた焼結体の一側に、ランタンストロンチウムコバルト複合酸化物(LSC)からなる電極材料を積層するカソード電極材料積層工程と、
上記第3の熱処理工程を終えた焼結体の他側に、ニッケル−イットリウム添加ジルコン酸バリウム(Ni−BZY)からなる電極材料を積層するアノード電極材料積層工程と、
上記電極材料の焼結温度以上に加熱する電極材料焼結工程とを含む、固体電解質積層体の製造方法。 - 上記固体電解質焼結工程を終えた上記焼結体を常温まで冷却した後に、上記第3の熱処理工程が行われる請求項6に記載の固体電解質積層体の製造方法。
- 上記固体電解質焼結工程と上記第3の熱処理工程とを連続して行う、請求項6に記載の固体電解質積層体の製造方法。
- 請求項1から請求項5のいずれか1項に記載の固体電解質積層体の製造方法であって、
BaCO3と、ZrO2と、Y2O3とNiとを混合するアノード電極材料調整工程と、
上記アノード電極材料を圧縮成形してアノード電極層となるアノード電極成形体を形成するアノード電極成形工程と、
BaCO3と、ZrO2と、Y2O3とを混合して粉砕する第1の粉砕工程と、
上記粉砕した混合物を、所定温度で所定時間熱処理する第1の熱処理工程と、
上記第1の熱処理工程を終えた混合物を再度粉砕する第2の粉砕工程と、
上記第2の粉砕工程を終えた混合物を圧縮成形する第1の圧縮成形工程と、
上記圧縮成形した成形体を所定温度で熱処理する第2の熱処理工程と、
上記第2の熱処理工程を終えた成形体を粉砕する第3の粉砕工程と、
上記第3の粉砕工程を終えた粉砕物をペースト化するペースト化工程と、
上記ペースト化された粉砕物を、上記アノード電極成形体の一側に積層する固体電解質積層工程と、
上記固体電解質積層工程において成形された積層体を、酸素雰囲気下、1400℃〜1600℃の温度で、少なくとも20時間熱処理するアノード電極−固体電解質焼結工程と、
上記アノード電極−固体電解質焼結工程を終えた積層体を、上記アノード電極−固体電解質焼結工程より低い温度で所定時間保持する第3の熱処理工程と、
上記第3の熱処理工程を終えた薄膜状固体電解質の一側に、ランタンストロンチウムコバルト複合酸化物(LSC)からなるカソード電極材料を積層するカソード電極材料積層工程と、
上記カソード電極材料の焼結温度以上に加熱するカソード電極焼結工程とを含む、固体電解質積層体の製造方法。 - 上記アノード電極−固体電解質焼結工程を終えた上記積層体を常温まで冷却した後に、上記第3の熱処理工程が行われる請求項9に記載の固体電解質積層体の製造方法。
- 上記アノード電極−固体電解質焼結工程と上記第3の熱処理工程とを連続して行う、請求項9に記載の固体電解質積層体の製造方法。
- 上記第3の熱処理工程は、400℃〜1000℃の温度で、5〜30時間保持することにより行われる、請求項6から請求項11のいずれか1項に記載の固体電解質積層体の製造方法。
- 請求項1から請求項5のいずれか1項に記載の固体電解質積層体を備えて構成される燃料電池。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012074256A JP5936898B2 (ja) | 2012-03-28 | 2012-03-28 | 固体電解質積層体、固体電解質積層体の製造方法及び燃料電池 |
| KR1020147029194A KR101709940B1 (ko) | 2012-03-28 | 2013-03-26 | 고체 전해질 적층체, 고체 전해질 적층체의 제조 방법 및 연료 전지 |
| PCT/JP2013/058746 WO2013146767A1 (ja) | 2012-03-28 | 2013-03-26 | 固体電解質積層体、固体電解質積層体の製造方法及び燃料電池 |
| US14/387,635 US10050295B2 (en) | 2012-03-28 | 2013-03-26 | Solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cell |
| CN201380017387.5A CN104205452B (zh) | 2012-03-28 | 2013-03-26 | 固体电解质层叠体,固体电解质层叠体的制造方法和燃料电池 |
| EP13770082.9A EP2833454B1 (en) | 2012-03-28 | 2013-03-26 | Solid electrolyte laminate, manufacturing method for solid electrolyte laminate, and fuel cell |
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| JP2012074256A JP5936898B2 (ja) | 2012-03-28 | 2012-03-28 | 固体電解質積層体、固体電解質積層体の製造方法及び燃料電池 |
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| KR (1) | KR101709940B1 (ja) |
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| JP5936897B2 (ja) | 2012-03-28 | 2016-06-22 | 住友電気工業株式会社 | 固体電解質、固体電解質の製造方法、固体電解質積層体及び固体電解質積層体の製造方法及び燃料電池 |
| JP6191090B2 (ja) | 2013-08-27 | 2017-09-06 | 住友電気工業株式会社 | 燃料極用電極材料、固体電解質−電極積層体、固体電解質−電極積層体の製造方法及び燃料電池 |
| US9687775B2 (en) * | 2014-04-03 | 2017-06-27 | University Of South Carolina | Chemically stable ceramic-metal composite membrane for hydrogen separation |
| KR101763722B1 (ko) * | 2014-08-25 | 2017-08-14 | 창원대학교 산학협력단 | 고 신뢰성 연료전지의 적층을 위한 프로톤 전도성 세라믹 전해질 |
| JP6603026B2 (ja) * | 2015-02-27 | 2019-11-06 | 住友電気工業株式会社 | セラミックス焼結体の製造方法、コンデンサの製造方法、固体酸化物型燃料電池の製造方法、水電解装置の製造方法及び水素ポンプの製造方法 |
| US20170288248A1 (en) | 2016-04-04 | 2017-10-05 | Panasonic Corporation | Membrane electrode assembly and solid oxide fuel cell |
| JP2017188440A (ja) | 2016-04-04 | 2017-10-12 | パナソニック株式会社 | 膜電極接合体および固体酸化物形燃料電池 |
| US10826075B2 (en) | 2016-04-19 | 2020-11-03 | Panasonic Intellectual Property Management Co., Ltd. | Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor |
| JP7002036B2 (ja) * | 2016-11-17 | 2022-01-20 | パナソニックIpマネジメント株式会社 | 膜電極接合体および固体酸化物形燃料電池 |
| CN111819721A (zh) * | 2018-02-27 | 2020-10-23 | 国立大学法人北海道大学 | 质子陶瓷燃料电池及其制造方法 |
| KR102345976B1 (ko) * | 2020-01-30 | 2021-12-31 | 성균관대학교산학협력단 | 연료 전지 및 이의 제조 방법 |
| CN111834656B (zh) * | 2020-07-25 | 2022-03-22 | 山东交通学院 | 一种优化的单相掺杂镓酸镧电解质制备装置及方法 |
| CN115133112B (zh) * | 2022-05-20 | 2025-11-25 | 中汽创智科技有限公司 | 一种表面富氧的硫化物固态电解质材料及其制法与应用 |
| KR102525346B1 (ko) * | 2022-09-27 | 2023-04-25 | 고등기술연구원연구조합 | 고체 산화물 연료 전지의 연료극, 고체 산화물 연료 전지 및 고체 산화물 연료 전지의 제조 방법 |
| CN118530006B (zh) * | 2023-02-22 | 2026-03-17 | 超威电源集团有限公司 | 薄膜镁电池钴酸铝镁正极靶材、制备方法及薄膜镁电池 |
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| JP3733030B2 (ja) | 2000-02-14 | 2006-01-11 | 松下電器産業株式会社 | イオン伝導体 |
| KR100885696B1 (ko) * | 2002-05-07 | 2009-02-26 | 더 리전트 오브 더 유니버시티 오브 캘리포니아 | 전기화학 전지 스택 어셈블리 |
| US7811714B2 (en) | 2005-05-04 | 2010-10-12 | The Board Of Trustees Of The Leland Stanford Junior University | Solid-state direct methanol thin film fuel cell |
| JP2007317627A (ja) * | 2006-05-29 | 2007-12-06 | Toyota Motor Corp | 燃料電池 |
| JP2008053194A (ja) * | 2006-08-23 | 2008-03-06 | Soken:Kk | 低級炭化水素を燃料に用いる一室型固体酸化物燃料電池 |
| CN100462329C (zh) | 2007-04-27 | 2009-02-18 | 天津大学 | 复相结构设计高导电性锆酸钡质子导体及其制备方法 |
| JP2011213588A (ja) | 2010-03-31 | 2011-10-27 | Toyota Motor Corp | 高イオン伝導性固体電解質 |
| US20110262839A1 (en) | 2010-04-23 | 2011-10-27 | The Board Of Trustees Of The Leland Stanford Jr. University | Proton conducting electrolyte membranes having nano-grain ysz as protective layers, and membrane electrode assemblies and ceramic fuel cells comprising same |
| JP2012170833A (ja) * | 2011-02-17 | 2012-09-10 | Sumitomo Electric Ind Ltd | 除湿装置 |
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- 2013-03-26 CN CN201380017387.5A patent/CN104205452B/zh active Active
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| EP2833454A4 (en) | 2015-11-04 |
| US20150044596A1 (en) | 2015-02-12 |
| EP2833454A1 (en) | 2015-02-04 |
| JP2013206703A (ja) | 2013-10-07 |
| US10050295B2 (en) | 2018-08-14 |
| KR20140145600A (ko) | 2014-12-23 |
| CN104205452B (zh) | 2017-03-08 |
| CN104205452A (zh) | 2014-12-10 |
| WO2013146767A1 (ja) | 2013-10-03 |
| EP2833454B1 (en) | 2018-01-31 |
| KR101709940B1 (ko) | 2017-02-24 |
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