Lithium-ion batteries are the technology of choice for a broad range of applications due to their performance and long-term stability. The performance and durability of lithiumion batteries is impacted by various degradation mechanisms. These include the growth of the solid-electrolyte interphase (SEI) and the deposition of metallic lithium on the surface of the negative electrode, referred to as lithium plating. For both processes we develop physically based models. In this contribution we develop a model to describe the performance and lifetime of the batteries of in-orbit satellite REIMEI developed by the Japan Aerospace Exploration Agency. We extend an existing model for SEI growth and incorporate it into a model for fresh cells. Then we simulate the degradation of batteries under cycling in 1D and 3D. To validate the model, we use experimental and in-flight data of the batteries. We show inhomogeneities in the SEI thickness after cycling.


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    Titel :

    Degradation of Lithium-Ion Batteries in Aerospace


    Beteiligte:


    Erscheinungsdatum :

    30.09.2019


    Format / Umfang :

    796745 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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