Method for releasing metal ions bound in a solid electrolyte interphase or solid electrolyte interphase-like layer of rechargeable, electrochemical energy storage cells of a battery cell module

摘要

The invention relates to a method for the at least partial release of metal ions bound in a solid electrolyte interphase or solid electrolyte interphase-like layer of rechargeable, electrochemical energy storage cells of a battery cell module of a secondary battery. The method is characterized in that the battery cell module is irradiated with X-radiation with a radiation dose of up to and including 50 mSv / m ² .