High-temperature solid electrolyte fuel cell comprising a...

Details High-temperature solid electrolyte fuel cell comprising a... High-temperature solid electrolyte fuel cell comprising a...

H - Electricity

01

M

H01M 8/12 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/90 (2006.01)

Patent

CA 2483815

The invention relates to a novel high-temperature solid electrolyte fuel cell comprising an electrolyte layer between two electrode layers, obtained by a method comprising the steps: (i) application of electrolyte particles in a screen printing paste to an unsintered electrolyte substrate and sintering of the resultant structure; (ii) deposition of a nanoporous electrode thin-film by means of a sol-gel process or an MOD process on the structure obtained in step (i) and thermal treatment of the structure that has been coated in this manner. The fuel cell has an optional electrolyte boundary layer on the structured screen-printed electrolyte layer, said boundary layer being applied by means of an MOD process.

L'invention concerne une nouvelle pile à combustible à électrolyte solide à haute température comprenant une couche d'électrolyte prise entre deux couches d'électrode. Cette nouvelle pile à combustion s'obtient selon un procédé qui consiste (i) à appliquer des particules d'électrolyte dans une pâte sérigraphique sur un substrat d'électrolyte non fritté puis à fritter la structure ainsi obtenue, (ii) à déposer une couche mince d'électrode nanoporeuse par un procédé sol-gel ou un procédé MOD sur la structure obtenue à l'étape (i) puis à soumettre la structure, ainsi enduite, à un traitement thermique. Cette pile à combustible présente éventuellement une couche interfaciale appliquée par un procédé MOD sur la couche d'électrolyte structurée sérigraphiée.

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