Redox behavior of the SOFC electrode candidate NdBaMn2O5+: δ investigated by high-temperature in situ neutron diffraction: First characterisation in real time of an Ln BaMn2O5.5 intermediate phase

F. Tonus (1) , M. Bahout (2) , V. Dorcet (2) , G.H. Gauthier (3) , Serge Paofai (2) , R.I. Smith (4) , S.J. Skinner (1)

1 Imperial College London
2 ISCR - Institut des Sciences Chimiques de Rennes
3 UIS - Universidad Industrial de Santander [Bucaramanga]
4 RAL - STFC Rutherford Appleton Laboratory

Keywords: Characterization; Digital storage; Electrodes; Hydrogen storage; Manganese; Neutrons; Oxygen; Oxygen vacancies; Reaction intermediates; High-temperature in situ; High-temperature electrochemical; Virtual storage; Mixed ionic and electronic conductors; Solid oxide fuel cells (SOFC); Thermal expansion; Oxygen intercalation; Oxygen vacancy orderings; Real time observation; Structural phase transition; Situ neutron powder diffractions; Atmospheric temperature

Domains: Chemical Sciences; Material chemistry

F. Tonus, M. Bahout, V. Dorcet, G.H. Gauthier, Serge Paofai, et al.. Redox behavior of the SOFC electrode candidate NdBaMn2O5+: δ investigated by high-temperature in situ neutron diffraction: First characterisation in real time of an Ln BaMn2O5.5 intermediate phase. Journal of Materials Chemistry A, 2016, 4 (30), pp.11635--11647. ⟨10.1039/c6ta03224a⟩. ⟨hal-01367218⟩