WO2014003591A1 - Processus de fabrication d'électrolyte de pile à combustible à oxyde solide à l'aide de frittage hyperfréquence - Google Patents

Processus de fabrication d'électrolyte de pile à combustible à oxyde solide à l'aide de frittage hyperfréquence Download PDF

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WO2014003591A1
WO2014003591A1 PCT/PT2013/000039 PT2013000039W WO2014003591A1 WO 2014003591 A1 WO2014003591 A1 WO 2014003591A1 PT 2013000039 W PT2013000039 W PT 2013000039W WO 2014003591 A1 WO2014003591 A1 WO 2014003591A1
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compacts
sintering
range
mpa
solid oxide
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PCT/PT2013/000039
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Bruno Miguel QUELHAS DE SACADURA CABRAL TRINDADE
Albano Augusto CAVALEIRO RODRIGUES DE CARVALHO
Fernando DE ALMEIDA COSTA OLIVEIRA
João Manuel GREGÓRIO MASCARENHAS
Teresa Maria ROSADO CORTES SIMÕES MARCELO
Cátia Alexandra PODENCE ALVES
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Lneg - Laboratório Nacional De Energia E Geologia
Universidade De Coimbra
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Publication of WO2014003591A1 publication Critical patent/WO2014003591A1/fr

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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • H01M8/10—Fuel cells with solid electrolytes
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Abstract

La présente invention concerne un nouveau processus de fabrication d'un électrolyte à oxyde solide pour piles à combustible et comprend les étapes suivantes : a) mélange de poudres de La203, Si02, et Ge02 par broyage à haute énergie dans une atmosphère régulée, à l'aide de vitesses de rotation variable entre 150 et 350 tpm et des temps de broyage entre 15 h et 35 h, afin d'obtenir la phase d'oxyapatite désirée ; b) compaction du mélange résultant soit par pressage uniaxial, avec des pressions dans la plage de 390 à 885 MPa, soit par pression isostatique à froid, avec des pressions dans une plage de 200 à 320 MPa, afin d'obtenir des compacts ayant des densités vertes entre 65 et 75 % de la densité théorique ; c) frittage des compacts dans un four à hyperfréquences à des fréquences entre 2 et 3 GHz, une puissance égale ou supérieure à 1 kW, des températures jusqu'à 1 350°C et des temps de frittage de 5 minutes à 60 minutes, à l'aide de suscepteurs en carbure de silicium, capable d'absorber les hyperfréquences à température ambiante et d) refroidissement des compacts frittés dans le four, sous une atmosphère d'argon ayant un débit d'écoulement de 2 à 10 L/min.
PCT/PT2013/000039 2012-06-29 2013-06-25 Processus de fabrication d'électrolyte de pile à combustible à oxyde solide à l'aide de frittage hyperfréquence WO2014003591A1 (fr)

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PT106418 2012-06-29
PT10641812 2012-06-29

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI664212B (zh) * 2014-05-24 2019-07-01 日商鐘化股份有限公司 烷氧基矽烷改質聚醯胺酸溶液、使用其之積層體及可撓性裝置、與聚醯亞胺膜及積層體之製造方法
CN110492174A (zh) * 2019-08-20 2019-11-22 浙江地坤键新能源科技有限公司 一种碱金属离子迁移的固态电解质及其制备方法和应用
CN112830778A (zh) * 2021-01-19 2021-05-25 中国科学院上海应用物理研究所 一种快速烧结固态电解质的方法以及由此得到的致密固态电解质及其应用
CN112939575A (zh) * 2021-01-29 2021-06-11 哈尔滨工业大学 一种微波混合加热快速制备锰钴尖晶石涂层的方法
CN113429199A (zh) * 2021-07-20 2021-09-24 西南交通大学 一种致密固态电解质latp的烧结方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI664212B (zh) * 2014-05-24 2019-07-01 日商鐘化股份有限公司 烷氧基矽烷改質聚醯胺酸溶液、使用其之積層體及可撓性裝置、與聚醯亞胺膜及積層體之製造方法
CN110492174A (zh) * 2019-08-20 2019-11-22 浙江地坤键新能源科技有限公司 一种碱金属离子迁移的固态电解质及其制备方法和应用
CN112830778A (zh) * 2021-01-19 2021-05-25 中国科学院上海应用物理研究所 一种快速烧结固态电解质的方法以及由此得到的致密固态电解质及其应用
CN112939575A (zh) * 2021-01-29 2021-06-11 哈尔滨工业大学 一种微波混合加热快速制备锰钴尖晶石涂层的方法
CN113429199A (zh) * 2021-07-20 2021-09-24 西南交通大学 一种致密固态电解质latp的烧结方法

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