Air electrode material for high temperature electrochemical...

Details Air electrode material for high temperature electrochemical... Air electrode material for high temperature electrochemical...

H - Electricity

01

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31/126, 319/15

H01M 8/12 (2006.01) C04B 35/50 (2006.01) C25B 11/04 (2006.01) H01M 4/90 (2006.01)

Patent

CA 1249924

9 51,747 ABSTRACT OF THE DISCLOSURE Disclosed is a solid solution with a perovskite- like crystal structure having the general formula La1-x-w(ML)X(Ce)w(MS1)1-y(Ms2)yO3 where ML is Ca, Sr, Ba, or mixtures thereof, MS1 is Mn, Cr, or mixtures thereof and MS2 is Ni, Fe, Co, Ti, Al, In, Sn, Mg, Y, Nb, Ta, or mixtures thereof, w is about 0.05 to about 0.25, x+w is about 0.1 to about 0.7, and y is 0 to about 0.5. In the formula, ML is preferably Ca, w is preferably 0.1 to 0.2, x+w is preferably 0.4 to 0.7, and y is preferably 0. The solid solution can be used in an electrochemical cell where it more closely matches the thermal expansion characteristics of the support tube and electrolyte of the cell.

490985

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