Synthesis of BaSnO3/SnO2 Nanocomposites as Heterogeneous Additive for Composite Solid Electrolytes
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Method of differential thermal analysis was used to study the thermolysis of a mixture of barium oxalate hydrate and α-SnO2·H2O, produced by precipitation from hydrochloric solutions. The methods of X-ray diffraction analysis, electron microscopy, and low-temperature nitrogen adsorption were used to examine the reaction products formed at various heating temperatures and determine their phase composition. The nanocomposite BaSnO3/SnO2 is the final product of thermolysis and subsequent heating to 950°C. The nanocomposite was used as a heterogeneous oxide additive for obtaining a CsNO2–BaSnO3/SnO2 composite solid electrolyte. The conductivity of the composite exceeds that of the starting salt by more than order of magnitude.
Keywordsnanocomposites tin dioxide hydroxo stannates composite solid electrolytes stannates of alkaline-earth metals
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- 11.Uvarov, N.F., Kompozitsionnye tverdye elektrolity (Composite Solid Electrolytes), Novosibirsk: Izd. Sib. Otd. Ross. Akad. Nauk, 2008.Google Scholar