Patent ID: 6150290
Filing Date: 2000-11-21
Classification: B01J,C04B,H01M,Y02E,Y02P,Y10S

Abstract:
A perovskite ceramic material having the general formula:A.sub.x A.sub.x' A.sub.x"" B.sub.y B.sub.y' B.sub.y"" O.sub.3-.delta.whereinA is lanthanum, A' and A"" each is one or more metals selected from the group of lanthanide metals;B, B' and B"" each is a metal selected from the group of Na, alkaline earth metals, transition metals, group 3a, and noble metals of group 8b;x+x'+x""<1 and/or y+y'+y""<1;.SIGMA.x.sub.i .noteq..SIGMA.y.sub.i such that the material is non-stoichiometric;-1<.delta.<1; and.delta..noteq.0.