Fig. 4 | Nature Communications

Fig. 4

From: Structural insights into the formation and voltage degradation of lithium- and manganese-rich layered oxides

Fig. 4

The original formation mechanism of LMLOs and the anomalous lattice contraction behavior in the cubic Li-containing rock-salt-type phase. Contour plot of in situ HTSRD pattern of a mixture of L0.00 and Li2CO3 under a slow-heating and c fast-heating process, respectively. On the right side of the SRD pattern is the corresponding calcination process. Each diffraction pattern was analyzed using the Rietveld refinement method, the resultant weight fraction of various phases showing the Li/O-incorporation-induced structural evolution during b slow and d fast-heating route between 25 and 850 °C.

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