Structure and ionic conductivity in (LiCl)2Ga2O3SiO2 xerogels

B. Wang, S. Szu, Martha Greenblatt, Lisa Klein

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Abstract

(LiCl)2-Ga2O3-SiO2 xerogels were prepared by a sol-gel process. Similar to that of the corresponding lithium aluminosilicate xerogels, the ionic conductivity of lithium gallosilicate xerogels increases with increasing Ga2O3/SiO2 ratio for samples with the same lithium content (25 mol% (LiCl)2) due to the increasing concentration of mobile lithium ions associated with tetrahedral GaO4 or non-bridging oxygens in the xerogel. The conductivity increases with increasing (LiCl)2 content for samples with a Ga2O3/SiO2 ratio of 1 2 due to the combined effect of increasing preexponential factor and decreasing activation energy.

Original languageEnglish (US)
Pages (from-to)1214-1220
Number of pages7
JournalSolid State Ionics
Volume53-56
Issue numberPART 2
DOIs
StatePublished - 1992

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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