Lattice Dynamics and Ion Migration in Na3PS4 for solid state sodium batteries.
Na3PS4 is a promising Na+ solid electrolyte to be used in solid-state sodium batteries. We have recently brought to light a previously unknown phase of this conductor which exhibits superionic conductivity up to 1 S/cm. We suspect the high ionic conductivity is linked to rotational disorder of the PS4 anionic moieties that comprise the new crystalline structure. We propose neutron inelastic scattering experiments to assess this hypothesis and examine its effect on the Na+ dynamics.
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Theodosios Famprikis; MASQUELIER Christian and ZBIRI Mohamed. (2019). Lattice Dynamics and Ion Migration in Na3PS4 for solid state sodium batteries.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-03-179
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