RU2008127752A - Компонент с твердооксидным топливным элементом (варианты) и способ его формирования - Google Patents

Компонент с твердооксидным топливным элементом (варианты) и способ его формирования Download PDF

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RU2008127752A
RU2008127752A RU2008127752/09A RU2008127752A RU2008127752A RU 2008127752 A RU2008127752 A RU 2008127752A RU 2008127752/09 A RU2008127752/09 A RU 2008127752/09A RU 2008127752 A RU2008127752 A RU 2008127752A RU 2008127752 A RU2008127752 A RU 2008127752A
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layer
electrode
main part
electrolyte
pores
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RU2008127752/09A
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Ф. Майкл МАХОНЕЙ (US)
Ф. Майкл МАХОНЕЙ
Джон ПИЕТРАС (US)
Джон ПИЕТРАС
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Сэнт-Гобэн Керамикс Енд Пластикс, Инк. (Us)
Сэнт-Гобэн Керамикс Енд Пластикс, Инк.
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Abstract

1. Компонент с твердооксидным топливным элементом, содержащий первый электрод, электролит, покрывающий первый электрод, и второй электрод, покрывающий электролит, содержащий основную часть слоя и функциональную часть слоя, которая является переходным слоем, проходящим между электролитом и основной частью слоя второго электрода, причем фунциональная часть слоя и основная часть слоя имеют бимодальное распределение размеров пор. ! 2. Компонент по п.1, в котором основная часть слоя содержит тонкие поры, средний размер которых равен Рf, и крупные поры, средний размер которых равен Рс, причем значение Pc/Pf не меньше, чем примерно 2,0. ! 3. Компонент по п.1, в котором основная часть слоя содержит тонкие поры и крупные поры, которые больше тонких пор, причем тонкие поры являются межзерновыми порами, и крупные поры являются внутризерновыми порами. ! 4. Компонент по п.1, в котором средний размер зерен основной части слоя больше, чем средний размер зерен функциональной части слоя. ! 5. Компонент по п.4, в котором средний размер зерен основной части слоя составляет не меньше, чем примерно 50 мк. ! 6. Компонент по п.1, в котором толщина основной части слоя больше толщины функциональной части слоя, причем функциональная часть слоя имеет толщину не менее, чем примерно 10 мк, и основная часть слоя имеет толщину не менее, чем примерно 500 мк. ! 7. Компонент по п.1, в котором первый электрод содержит основную часть слоя и функциональную часть слоя, причем функциональная часть является переходным слоем, проходящим между электролитом и основной частью слоя первого электрода, и основная часть слоя имеет бимодальное распределение размеров пор. ! 8. Компонент �

Claims (16)

1. Компонент с твердооксидным топливным элементом, содержащий первый электрод, электролит, покрывающий первый электрод, и второй электрод, покрывающий электролит, содержащий основную часть слоя и функциональную часть слоя, которая является переходным слоем, проходящим между электролитом и основной частью слоя второго электрода, причем фунциональная часть слоя и основная часть слоя имеют бимодальное распределение размеров пор.
2. Компонент по п.1, в котором основная часть слоя содержит тонкие поры, средний размер которых равен Рf, и крупные поры, средний размер которых равен Рс, причем значение Pc/Pf не меньше, чем примерно 2,0.
3. Компонент по п.1, в котором основная часть слоя содержит тонкие поры и крупные поры, которые больше тонких пор, причем тонкие поры являются межзерновыми порами, и крупные поры являются внутризерновыми порами.
4. Компонент по п.1, в котором средний размер зерен основной части слоя больше, чем средний размер зерен функциональной части слоя.
5. Компонент по п.4, в котором средний размер зерен основной части слоя составляет не меньше, чем примерно 50 мк.
6. Компонент по п.1, в котором толщина основной части слоя больше толщины функциональной части слоя, причем функциональная часть слоя имеет толщину не менее, чем примерно 10 мк, и основная часть слоя имеет толщину не менее, чем примерно 500 мк.
7. Компонент по п.1, в котором первый электрод содержит основную часть слоя и функциональную часть слоя, причем функциональная часть является переходным слоем, проходящим между электролитом и основной частью слоя первого электрода, и основная часть слоя имеет бимодальное распределение размеров пор.
8. Компонент с твердооксидным топливным элементом, содержащий первый электрод, электролит, покрывающий первый электрод, и второй электрод, покрывающий электролит, причем размеры зерен второго электрода имеют бимодальное распределение, так что второй электрод содержит зерна малых размеров, средний размер которых равен Gf, и крупные зерна, средний размер которых равен Gc, причем значение Gc/Gf составляет не менее, чем 1,5.
9. Компонент по п.8, в котором значение Gc/Gf составляет не менее, чем примерно 2,0.
10. Компонент по п.8, в котором первый электрод содержит основную часть слоя и функциональную часть слоя, причем функциональная часть является переходным слоем, проходящим между электролитом и основной частью слоя первого электрода, и основная часть слоя имеет бимодальное распределение размеров пор.
11. Способ формирования компонента с твердооксидным топливным элементом, содержащий следующие стадии: формирование первого электрода, формирование электролита, покрывающего первый электрод, и формирование второго электрода, покрывающего электролит, причем второй электрод содержит порошок, который содержит агломераты, сформированные из зерен; термическую обработку первого электрода, электролита и второго электрода для формирования компонента с твердооксидным топливным элементом.
12. Способ по п.11, который содержит дополнительно формирование порошка путем прокаливания сырого порошкового материала для получения его агломератов.
13. Способ по п.12, в котором прокаливание осуществляют при температуре не более 1700°С.
14. Способ по п.11, в котором порошок имеет размер первичных частиц, определяемый зернами, и размер вторичных частиц, определяемый агломератами.
15. Способ по п.14, в котором средний размер первичных частиц находится в диапазоне от примерно 0,1 до примерно 10 мк.
16. Способ по п.14, в котором средний размер вторичных частиц находится в диапазоне от примерно 20 до примерно 300 мк.
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AU2007204758A1 (en) 2007-07-19
WO2007082209A3 (en) 2008-03-20
KR101154217B1 (ko) 2012-06-18

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