CPC C25B 11/069 (2021.01) [C01G 49/009 (2013.01); C01G 51/70 (2013.01); C01G 53/70 (2013.01); C04B 35/2633 (2013.01); C04B 35/2641 (2013.01); C04B 35/58042 (2013.01); C25B 1/00 (2013.01); C25B 1/27 (2021.01); C25B 9/19 (2021.01); C25B 9/23 (2021.01); C25B 11/047 (2021.01); C25B 11/051 (2021.01); C25B 11/0773 (2021.01); C25B 13/04 (2013.01); C25B 13/07 (2021.01); C01P 2002/34 (2013.01); C01P 2002/50 (2013.01); C01P 2006/40 (2013.01); C04B 2235/3274 (2013.01); C04B 2235/3852 (2013.01)] | 8 Claims |
1. A cathode comprising a perovskite oxide having the formula:
A1wA2xXyFezO3
wherein:
A1 is selected from La, Tb, Gd, Sm, Pr, and Nd;
A2 is selected from Sr, Mg, Ca, and Ba;
X is one or more metals in the +1 or +2 oxidation state;
w is from 0.5-1.0;
x is from 0-0.5;
y is from 0-0.5; and
z is from 0.5 to less than 1.0;
wherein w, x, y, and z are chosen to maintain electroneutrality; and
one or more nitride compounds having the formula MaNb, wherein M is selected from Fe, Mb, Co, Cr, and V, a is selected from 1, 2, 3, or and 4, and b is selected from 1, 2, 3, and 4.
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