Deactivation of Partially (dis)Charged LNMO in Contact with Water by Electrochemical Protonation of Li(1 − x)Ni0.5Mn1.5O4
Andrea I. Pitillas,
Louis L. De Taeye,
Philippe M. Vereecken
Abstract:The development of water‐based composite cathode slurries for Li‐ion batteries is hindered by adverse interactions between the battery active material and water. Insights into interactions between H2O and LiNi0.5Mn1.5O4 (LNMO) are studied using a thin‐film model system. The reactivity of this active material with H2O is evaluated at different lithiation states, showing that protonation of the active material in aqueous environments is electrochemically driven, rather than a chemical Li+/H+ ion exchange reactio… Show more
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