FIELD: materials production.
SUBSTANCE: invention relates to the production of materials for electrochemical devices, namely, to solid oxide electrolyte materials with proton conductivity based on barium-lanthanum indate (BaLa2In2O7), which can be used as an electrolyte material in proton-conducting solid oxide fuel cells used to generate electricity. The material is a barium-lanthanum indate doped with barium and has the following composition: Ba1+xLa2−xIn2O7−0.5x (x = 0.05 - 0.25).
EFFECT: creation of materials based on barium-lanthanum indate, characterized by high values of proton conductivity at T<450°C and pН2O=2⋅10-2 atm.
1 cl, 9 dwg, 1 tbl
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Authors
Dates
2023-01-17—Published
2022-03-03—Filed