Sodium ionic conductivities of substituted NZP materials

E. Breval, H. A. McKinstry, Dinesh Kumar Agrawal

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Abstract

Sodium zirconium phosphate [NZP] materials have been systematically classified and their sodium ionic conductivities and thermal activation energies given at 90 and 300°C. NaZr2P3O12 has a low sodium ionic conductivity, which by some substitutions can be raised up to 6 orders of magnitude above the unsubstituted compound. The corresponding thermal activation energies range from 0.2 to 0.8 eV. Na1+xZr2SixP3-xO12 with 2 ≤ x ≤ 2.4 already has a high sodium conductivity which substitutions cannot significantly increase. The corresponding thermal activation energies show a tendency to decrease with higher temperature. The highest ionic conductivity in any NZP material is found for x = 2.2 in this system. Substitutions only decrease the sodium ionic conductivity.

Original languageEnglish (US)
Pages (from-to)239-251
Number of pages13
JournalBritish Ceramic Transactions
Volume93
Issue number6
StatePublished - 1994

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

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    Breval, E., McKinstry, H. A., & Agrawal, D. K. (1994). Sodium ionic conductivities of substituted NZP materials. British Ceramic Transactions, 93(6), 239-251.