Estimation of electrical properties of composite solid electrolytes of different morphologies

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Abstract

A generalized mixing rule was applied to calculation of electric properties (conductivity and dielectric permittivity) as a function of concentration and ac frequency for composites of different morphologies. Morphologies of three types were considered: (i) statistical mixture of ionic salt MX and oxide A with the same grains size of the components; (ii) composites in which A phase spreads along grain boundaries of MX and (iii) composites formed by filling the porous matrix of A with the ionic salt MX. Theoretical dependences were analyzed and compared to experimental results obtained earlier by authors or taken from the literature.

Original languageEnglish
Pages (from-to)19-24
Number of pages6
JournalSolid State Ionics
Volume302
DOIs
Publication statusPublished - 1 Apr 2017
Event12th International Symposium on Systems with Fast Ionic Transport (ISSFIT) - Kaunas, Lithuania
Duration: 3 Jul 20167 Jul 2016

Keywords

  • Mixing rules
  • Conductivity
  • Composite solid electrolytes
  • DISPERSED IONIC CONDUCTORS
  • PERCOLATION MODEL
  • AGI-AL2O3 COMPOSITES
  • CONDUCTIVITY
  • INTERFACE
  • TRANSPORT
  • PARTICLES
  • CONSTANTS
  • INSULATOR
  • IODIDE

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