JP2015510232A - ゾルゲル法による中低温型の固体酸化物燃料電池用の空気極粉末の合成方法 - Google Patents
ゾルゲル法による中低温型の固体酸化物燃料電池用の空気極粉末の合成方法 Download PDFInfo
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- JP2015510232A JP2015510232A JP2014555472A JP2014555472A JP2015510232A JP 2015510232 A JP2015510232 A JP 2015510232A JP 2014555472 A JP2014555472 A JP 2014555472A JP 2014555472 A JP2014555472 A JP 2014555472A JP 2015510232 A JP2015510232 A JP 2015510232A
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- air electrode
- solid oxide
- oxide fuel
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- fuel cell
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Abstract
Description
Claims (10)
- 固体酸化物燃料電池用の空気極粉末の合成方法において、
ランタン硝酸塩、ストロンチウム硝酸塩、コバルト硝酸塩、及び鉄硝酸塩を金属前駆体に用いて、キレート剤とエステル化反応促進剤を順次混合して混合溶液を形成するステップと、
前記混合溶液を加熱して金属塩/キレート錯体を形成するステップと、
前記金属塩/キレート錯体を加熱してゾルを形成するステップと、
前記ゾルを加熱してゲル前駆体を形成するステップと、
前記ゲル前駆体を焼成してナノLa0.6Sr0.4Co0.2Fe0.8O3−δ粉末を形成するステップと、
を含む固体酸化物燃料電池用の空気極粉末の合成方法。 - 前記キレート剤は、クエン酸(C6H8O7、citric acid)、グリコール酸(C2H4O3、glycolic acid)のうちいずれか1つの物質が用いられ、
前記エステル化反応促進剤は、エチレングリコールを用いる、請求項1に記載の固体酸化物燃料電池用の空気極粉末の合成方法。 - 前記金属前駆体:前記キレート剤は、1:2のモル比で混合し、
キレート錯体:前記エステル化反応促進剤は、1:1のモル比で混合する、請求項1に記載の固体酸化物燃料電池用の空気極粉末の合成方法。 - 前記金属前駆体は、La(NO3)3・6H2O、Sr(NO3)2、Co(NO3)2・6H2O、及びFe(NO3)3・9H2Oを3:2:1:4のモル比で混合した、請求項1に記載の固体酸化物燃料電池用の空気極粉末の合成方法。
- 前記金属塩/キレート錯体を形成するステップは、反応容器に収容された前記混合溶液をホットプレートを用いて2時間の間加熱する、請求項1に記載の固体酸化物燃料電池用の空気極粉末の合成方法。
- 前記ゾルを形成するステップは、
60℃〜80℃の温度区間で5℃/hrの速度で加熱して金属塩/キレート錯体を高分子化させる、請求項5に記載の固体酸化物燃料電池用の空気極粉末の合成方法。 - 前記ゾルを形成するステップは、前記金属塩/キレート錯体をホットプレートを用いて60℃から80℃の温度まで5℃/hrの速度で段階的に昇温させた後に加熱する、請求項6に記載の固体酸化物燃料電池用の空気極粉末の合成方法。
- 前記ゲルを形成するステップは、
前記ゾルを100℃で一定時間保持して形成する、請求項1に記載の固体酸化物燃料電池用の空気極粉末の合成方法。 - 前記ゲルを形成するステップは、前記ゾルをヒーティングマントルを用いて一定温度で加熱し、攪拌子を用いて一定速度で攪拌する、請求項8に記載の固体酸化物燃料電池用の空気極粉末の合成方法。
- 前記粉末を形成するステップは、
前記ゲル前駆体を400℃の温度で加熱するステップと、
前記加熱したゲル前駆体を空気雰囲気の焼成炉において800℃で熱処理するステップと、
を含む、請求項1に記載の固体酸化物燃料電池用の空気極粉末の合成方法。
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KR1020120019674A KR20130097962A (ko) | 2012-02-27 | 2012-02-27 | 졸겔법에 의한 중·저온형 고체산화물 연료전지용 공기극 분말 합성방법 |
PCT/KR2012/008149 WO2013129749A1 (ko) | 2012-02-27 | 2012-10-09 | 졸겔법에 의한 중·저온형 고체산화물 연료전지용 공기극 분말 합성방법 |
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KR101983534B1 (ko) * | 2017-12-04 | 2019-05-29 | 한국전력공사 | 지지체식 세라믹 연결재 제조방법 및 이에 의해 제조된 지지체식 세라믹 연결재 |
CN111261859B (zh) * | 2020-01-21 | 2021-04-27 | 山东大学 | 一种金属磷化物/碳复合材料及其制备方法与应用 |
CN111704174A (zh) * | 2020-07-14 | 2020-09-25 | 中国科学院上海应用物理研究所 | 一种批量化生产钙钛矿氧化物电极材料的方法 |
CN112687886B (zh) * | 2020-12-22 | 2022-07-05 | 上海应用技术大学 | 一种中温固体氧化物燃料电池复合阴极及其制备方法 |
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