Fig. 2 | Nature Communications

Fig. 2

From: Anionic redox reaction in layered NaCr2/3Ti1/3S2 through electron holes formation and dimerization of S–S

Fig. 2

Structural evolution of NaCr2/3Ti1/3S2 during cycling. a In situ XRD contour for NaCr2/3Ti1/3S2 cell cycling at a rate of C/5. The constant intensity peaks at 38.54°, 41.98°, and 44.82° are peaks of Al foil. b Lattice parameters calculated from the in situ XRD and from density functional theory (DFT) calculations as functions of composition during the first charge. For easy comparison, c length of full charged O1′ phase is three timed to accord with O3/P3 phase

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