Fig. 5: Switchable metal and oxygen redox centre in cascade catalysts.
From: Cascade reactors for long-life solid-state sodium–air batteries
a O K-edge mRIXS results at various electrochemical states and homologous sPFY spectra integrated over the 523.7 eV emission-energy range. b Schematic representation of STXM-based soft X-ray Ptychography. c STXM morphology image of the charged Na[Li1/3Ru2/3]O2 electrode, PCA appraisal (top), and RGB maps of oxygen (bottom). d STXM − XANES analysis of the O K-edge in different regions from (c).
