Titre: Synth�se et caract�risation d?�lectrolytes conducteurs protoniques: Application de la technique PVD pour les piles � combustible (Omn.Univ.Europ.) (French Edition)
�diteur: �ditions universitaires europ�ennes
Date de parution: 2010
Langue: fran�ais
ISBN � 10 chiffres: 6131539685
ISBN � 13 chiffres: 9786131539688
Reliure: Couverture souple
�tat de l'article: New

A propos de ce titre

Synopsis

Les tendances r�centes en mati�re de piles � combustible � oxydes solides visent � exploiter la conduction du proton par l’utilisation d’�lectrolytes de structure de type p�rovskite, plus performants � temp�rature mod�r�e que les �lectrolytes conducteurs de l’ion oxyde. Une seconde voie d’am�lioration des performances des piles consiste � diminuer l’�paisseur de l’�lectrolyte aux alentours de 5-10 micron pour minimiser sa r�sistance. Dans ce contexte, les proc�d�s de d�p�t physique trouvent un int�r�t majeur. Dans ce travail, nous nous sommes attach�s � �tudier la faisabilit� de couches denses de c�rates ou de zirconates de baryum ou de strontium, les �lectrolytes conducteurs protoniques les plus aptes � r�pondre aux besoins de l’application, par co-pulv�risation de cibles m�talliques en pr�sence d’une atmosph�re r�active d’argon-oxyg�n.

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