Structure and Stability of Sodium Intercalated Phases in Olivine FePO 4

Moreau, Philippe; Guyomard, Dominique; Gaubicher, Joël; Boucher, Florent

doi:10.1021/cm101377h

Public

Structure and Stability of Sodium Intercalated Phases in Olivine FePO 4

Published in Chemistry of Materials • Jul 2, 2010

Authors:

Philippe Moreau

Dominique Guyomard

Joël Gaubicher

Abstract

Olivine-type NaFePO4 and Na0.7FePO4 were synthesized making use of sodium batteries. Both atomic structures were obtained via Rietveld refinements of the resulting powders and were proven to be stable up to around 450°C. Olivine NaFePO4 transforms into the high-temperature stable maricite phase. Sig...

Subject

Olivine

Rietveld refinement

Sodium

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