RU2008134995A - Керамическая анодная структура (варианты) и ее применение - Google Patents
Керамическая анодная структура (варианты) и ее применение Download PDFInfo
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- RU2008134995A RU2008134995A RU2008134995/09A RU2008134995A RU2008134995A RU 2008134995 A RU2008134995 A RU 2008134995A RU 2008134995/09 A RU2008134995/09 A RU 2008134995/09A RU 2008134995 A RU2008134995 A RU 2008134995A RU 2008134995 A RU2008134995 A RU 2008134995A
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Abstract
1. Керамическая анодная структура, получаемая способом, включающим стадии: ! (a) получение суспензии диспергированием порошка электропроводной фазы и добавлением связующего вещества в дисперсию, в которой указанный порошок выбирают из группы, включающей легированный ниобием титанат стронция, легированный ванадием титанат стронция, легированный танталом титанат стронция и их смеси, ! (b) спекание суспензии со стадии (а), ! (c) получение раствора предшественника двуокиси церия, где указанный раствор содержит растворитель и поверхностно-активное вещество, ! (d) пропитка полученной спеченной структуры со стадии (b) раствором предшественника со стадии (с), ! (e) обжиг полученной структуры со стадии (d), и ! (f) проведение стадий (d)-(е), по крайней мере, один раз. ! 2. Керамическая анодная структура по п.1, где электропроводная фаза на стадии (а) также изначально содержит дополнительную проводящую ионы кислорода фазу или смешанную проводящую ионы кислорода и электропроводную фазу. ! 3. Керамическая анодная структура по п.1, где поверхностно-активное вещество выбирают из группы, включающей анионные поверхностно-активные вещества, неионные поверхностно-активные вещества, катионные поверхностно-активные вещества и цвиттерионные поверхностно-активные вещества. ! 4. Керамическая анодная структура по п.3, где поверхностно-активным веществом является неионное поверхностно-активное вещество. ! 5. Керамическая анодная структура по п.1, где раствор предшественника двуокиси церия содержит легирующую добавку, выбранную из группы, включающей Gd, Sm, Y, Са и их смеси. ! 6. Керамическая анодная структура по п.1, где стадии пропитки и обжига спеченной стр
Claims (20)
1. Керамическая анодная структура, получаемая способом, включающим стадии:
(a) получение суспензии диспергированием порошка электропроводной фазы и добавлением связующего вещества в дисперсию, в которой указанный порошок выбирают из группы, включающей легированный ниобием титанат стронция, легированный ванадием титанат стронция, легированный танталом титанат стронция и их смеси,
(b) спекание суспензии со стадии (а),
(c) получение раствора предшественника двуокиси церия, где указанный раствор содержит растворитель и поверхностно-активное вещество,
(d) пропитка полученной спеченной структуры со стадии (b) раствором предшественника со стадии (с),
(e) обжиг полученной структуры со стадии (d), и
(f) проведение стадий (d)-(е), по крайней мере, один раз.
2. Керамическая анодная структура по п.1, где электропроводная фаза на стадии (а) также изначально содержит дополнительную проводящую ионы кислорода фазу или смешанную проводящую ионы кислорода и электропроводную фазу.
3. Керамическая анодная структура по п.1, где поверхностно-активное вещество выбирают из группы, включающей анионные поверхностно-активные вещества, неионные поверхностно-активные вещества, катионные поверхностно-активные вещества и цвиттерионные поверхностно-активные вещества.
4. Керамическая анодная структура по п.3, где поверхностно-активным веществом является неионное поверхностно-активное вещество.
5. Керамическая анодная структура по п.1, где раствор предшественника двуокиси церия содержит легирующую добавку, выбранную из группы, включающей Gd, Sm, Y, Са и их смеси.
6. Керамическая анодная структура по п.1, где стадии пропитки и обжига спеченной структуры проводят вплоть до пяти раз.
7. Керамическая анодная структура по п.1, где стадию обжига проводят на воздухе при температуре 250°С или ниже.
8. Керамическая структура по любому из пп.1-7, также содержащая объединение раствора предшественника двуокиси церия и раствора предшественника никеля и где общее количество никеля в полученном аноде составляет ниже 10 мас.%.
9. Керамическая анодная структура, получаемая способом, включающим стадии:
(a) получение суспензии диспергированием порошка электропроводного компонента и добавлением связующего вещества в дисперсию, в которой указанный порошок выбирают из группы, включающей легированный ниобием титанат стронция, легированный ванадием титанат стронция, легированный танталом титанат стронция и их смеси,
(b) объединение указанной суспензии электропроводной фазы с электролитом,
(c) спекание полученной многослойной структуры,
(d) получение раствора предшественника двуокиси церия, где указанный раствор содержит растворитель и поверхностно-активное вещество,
(e) пропитка полученной спеченной многослойной структуры со стадии (с) раствором предшественника со стадии (d),
(f) обжиг полученной структуры со стадии (е), и
(д) проведение стадий (е)-(f), по крайней мере, один раз.
10. Керамическая анодная структура по п.9, где стадия (b) включает получение слоя электропроводной фазы пленочным литьем указанной суспензии электропроводной фазы и нанесение на нее электролита.
11. Керамическая анодная структура по п.9, где электропроводная фаза на стадии (а) также изначально содержит дополнительную проводящую ионы кислорода фазу, или смешанную проводящую ионы кислорода и электропроводную фазу.
12. Керамическая анодная структура по п.9, где поверхностно-активное вещество выбирают из группы, включающей анионные поверхностно-активные вещества, неионные поверхностно-активные вещества, катионные поверхностно-активные вещества и цвиттерионные поверхностно-активные вещества.
13. Керамическая анодная структура по п.12, где поверхностно-активным веществом является неионное поверхностно-активное вещество.
14. Керамическая анодная структура по п.9, где раствор предшественника двуокиси церия содержит легирующую добавку, выбранную из группы, включающей Gd, Sm, Y, Са и их смеси.
15. Керамическая анодная структура по п.9, где стадии пропитки и обжига спеченной структуры проводят вплоть до пяти раз.
16. Керамическая анодная структура по п.9, где стадию обжига проводят на воздухе при температуре 250°С или ниже.
17. Керамическая структура по любому из пп.9-16, также содержащая объединение раствора предшественника двуокиси церия и раствора предшественника никеля и где общее количество никеля в полученном аноде составляет ниже 10 мас.%.
18. Твердооксидный топливный элемент, содержащий керамическую анодную структуру по любому из пп.1-8.
19. Применение керамической анодной структуры по любому из пп.1-17 в качестве электрода в мембранах для отделения кислорода, мембранах для отделения водорода, электролизерах и электрохимических элементах для очистки дымовых газов.
20. Применение керамической анодной структуры по любому из пп.1-17 в качестве подложки анода в ТОТЭ на анодной подложке.
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CA2639193A1 (en) | 2009-02-28 |
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