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Ionic Conductivities of Lithium Phosphorus Oxynitride Glasses, Polycrystals and Thin Films

  • B. Wang (a1), J. B. Bates (a1), B. C. Chakoumakos (a1), B. C. Sales (a1), B. S. Kwak (a1), R. A. Zuhr (a1) and J. D. Robertson (a2)...

Abstract

Various lithium phosphorus oxynitrides have been prepared in the form of glasses, polycrystals, and thin films. The structures of these compounds were investigated by X-ray and neutron diffraction, X-ray photoelectron spectroscopy (XPS), and high-performance liquid chromatography (HPLC). The ac impedance measurements indicate a significant improvement of ionic conductivity as the result of incorporation of nitrogen into the structure. In the case of polycrystalline Li2.88PO3.73N0.14 with the γ-Li3PO4 structure, the conductivity increased by several orders of magnitude on small addition of nitrogen. The highest conductivities in the bulk glasses and thin films were found to be 3.0 × 10-7 and 8.9 × 10-7 S-cm-1 at 25°C, respectively.

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Ionic Conductivities of Lithium Phosphorus Oxynitride Glasses, Polycrystals and Thin Films

  • B. Wang (a1), J. B. Bates (a1), B. C. Chakoumakos (a1), B. C. Sales (a1), B. S. Kwak (a1), R. A. Zuhr (a1) and J. D. Robertson (a2)...

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