Elucidating the intercalation mechanism of zinc ions into α-MnO2 for rechargeable zinc batteries.

The intercalation mechanism of zinc ions into 2 × 2 tunnels of an α-MnO2 cathode for rechargeable zinc batteries was revealed. It involves a series of single and two-phase reaction steps and produces buserite, a layered compound with an interlayer spacing of 11 Å as a discharge product.

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