Importance

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Abstract

The Perowskite is provided for the coating of interconnectors (1) which are used in high temperature fuel cells. Its composition can be described by the formula ABO.sub.3-.epsilon. with A=(E.sub.1-w Ln.sub.w-.delta.) and B=(G.sub.1-z J.sub.z). In this the following hold: E is an alkaline earth metal, preferably Sr or Ca, Ln is a lanthanide, preferably La or Y, G is a transition metal, preferably Mn, J is a second transition metal, preferably Co, w is a number which is greater than 0.1 and less than 0.5, preferably equal to 0.2, .delta. is a positive or negative number, the absolute value of which is less than about 0.02, z is a number which is greater than 0.01 and less than 0.5, preferably equal to 0.2 and .epsilon. is a positive or negative number, the absolute value of which is less than about 0.5.

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