Lifetime Prediction for Battery Storage Systems

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The increased use of electrochemical energy storages, coming along with the decarbonization of our energy system and the electrification of transportation, needs to be properly addressed by increasing our knowledge of said technologies and by improving our predictions about their behavior. Ongoing degradation might cause insufficient power delivery and safety issues. Furthermore, the life cycle costs need to be addressed since the energy storage often makes up more than 25 % of the overall system costs. We at ISEA carry out various tests researching the degradation behavior of different energy storage technologies depending on the operation conditions. The results are then used to parameterize models which enable us to predict and thus optimize the system layout. The research is coodinated by a dedicated chair.