In Situ Liquid Electrochemical TEM Investigation of LiMn _1.5 Ni _0.5 O ₄ Thin Film Cathode for Micro‐Battery Applications (Small Methods 2/2022)

Ankush Bhatia,Sorina Cretu,Maxime Hallot,Nicolas Folastre,Maxime Berthe,David Troadec,Pascal Roussel,Jean‐Pierre Pereira‐Ramos,Rita Baddour‐Hadjean,Christophe Lethien,Arnaud Demortière

Small Methods（2022）

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摘要

In-Situ Cycling In article number 2100891, Demortiére and co-workers demonstrate that in-situ cycling of a LiMn1.5Ni0.5O4 thin-film cathode in an electrochemical transmission electron microscope (TEM) holder reveals structural and morphologic changes upon (de)lithiation processes. (S)TEM images of the cycled thin-film reveal the formation of voids, cracks, and organic decomposition products. The 4D STEM ASTAR technique highlights the emergence of an amorphization process in the in-situ cycled electrode.

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thin film cathode,electrochemical,micro‐battery

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In Situ Liquid Electrochemical TEM Investigation of LiMn 1.5 Ni 0.5 O 4 Thin Film Cathode for Micro‐Battery Applications (Small Methods 2/2022)

In Situ Liquid Electrochemical TEM Investigation of LiMn _1.5 Ni _0.5 O ₄ Thin Film Cathode for Micro‐Battery Applications (Small Methods 2/2022)