Table 1 Metal composition ratios of Mg–M–O (M = Fe or Ni) after the decomposition of the precipitates.

From: Positive-electrode properties and crystal structures of Mg-rich transition metal oxides for magnesium rechargeable batteries

Sample

Mg

Fe

Ni

Mg/M

Mg–Fe–O

0.702(1)

0.298(1)

–

2.36

Mg–Ni–O

0.693(2)

–

0.307(1)

2.26

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