Fig. 1: Valence state and atomic coordination analysis.
From: Synergy of cations in high entropy oxide lithium ion battery anode
a–d XANES of Co, Ni, Cu and Zn; e–h corresponding EXAFS–FT, solid lines represent the experimental data and dashed lines are references measured from standard samples provided by the beamline. ‘First discharged’ and ‘First charged’ sample refers to the samples discharged to 0.01 V and charged to 3.0 V (versus Li/Li+).
