Article | REF: COR2005 V1

Understanding and mitigation of Li-ion batteries ageing

Authors: Lise DANIEL, Irina PROFATILOVA, Sylvie GENIES, Olivier RACCURT, Justin BOUVET

Publication date: March 10, 2025 | Lire en français

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1. Degradation mechanisms

Positive battery electrode: electrode which has the potential (noted E + or Epos ).

Negative battery electrode: electrode which has the potential (noted E or Eneg ).

Active material: in a lithium-ion battery, this is the material that reversibly inserts and de-inserts lithium. A positive electrode active material (de)inserts lithium ions in a potential range generally between 2 V and 4.3 V vs Li ...

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Degradation mechanisms