FIELD: materials for electrochemical devices.
SUBSTANCE: invention relates to production of materials for electrochemical devices, namely, 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 electric power. The material is barium-lanthanum indate doped with strontium and magnesium has the following composition: BaLa1.9Sr0.1In1.95Mg0.05O6.925.
EFFECT: high values of proton conductivity at T < 450°C and pH2O = 2⋅10−2 atm.
1 cl, 4 dwg
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