The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2009
Filed:
Mar. 21, 2005
Philippe Stevens, Karlsruhe, DE;
Emmanuelle Boehm, St Subin de Médox, FR;
Jean-marc Basset, Canejan, FR;
Fabrice Mauvy, Canejan, FR;
Jean-claude Grenier, Cadaujac, FR;
Philippe Stevens, Karlsruhe, DE;
Emmanuelle Boehm, St Subin de Médox, FR;
Jean-Marc Basset, Canejan, FR;
Fabrice Mauvy, Canejan, FR;
Jean-Claude Grenier, Cadaujac, FR;
Electricite de France, Paris, FR;
Centre National de la Recherche, Paris, FR;
Abstract
The invention relates to an oxide material of general formula (I) AA'A″MM′0, wherein A and A′ are independently a metal cation of a group formed by lanthanides and/or alkalis and/or alkaline earths, A″ is a cationic gap, i.e. a cation vacancy A and/or A′, M and M′ are independently a metal of a group formed by transition metals such as 0<y<0.30, preferably 0<y=0.20; 0<δ<0.25, preferably 0<δ<0.10; 0=x=1; and 0=z=1. An air electrode containing said material and an electric power producing device in the form of a fuel cell provided with at least one electrochemical cell comprising said electrode are also disclosed.