The O permeability of materials of the form, SrCo1-xMxO3-, where x ranged from 0 to 0.5, was studied at temperatures of between 950 and 1370K, under O partial pressures of 0.21 to 1000Pa (table 129). The O ion transference number of substituted cobaltites did not exceed 0.05.

V.V.Kharton, E.N.Naumovich, A.V.Nikolaev: Solid State Phenomena, 1994, 39-40, 147-52

 

Table 129

Ionic Conductivity of SrCo1-x-yFexCuyO3-

 

x

y

0 (S/cm)

E (kJ/mol)

0.2

0.2

0.88

80

0.3

0.2

0.91

84

0.3

0.3

0.68

91

0.3

0.4

0.22

75

0.4

0.2

0.71

57

0.4

0.3

0.21

51