Tracking Decomposition Layer Formation in Thin‐Film Si Electrodes via Thermogalvanic Profiles
Liese B. Hubrechtsen,
Louis L. De Taeye,
Philippe M. Vereecken
Abstract:Si anodes are of great interest for next‐generation Li‐ion batteries due to their exceptional energy density. One of the problems hindering the adoption of this material is the presence of electrolyte decomposition reactions that result in capacity fade and Coulombic inefficiency. This work studies the influence of the decomposition layer in Si on its electrochemical performance using thermogalvanic profiling, a non‐destructive in operando technique. This is accomplished by comparing thermogalvanic profiles of… Show more
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