Structural and semi-structural adhesives are of great importance for the usage in battery systems of electric vehicles. However, a significant challenge is their resistance to loosening. That makes reworking or repairing as well as the reuse of bonded components quite challenging. To address this issue, various methods with different triggers have been explored by several authors to debond adhesive joints. A promising approach is applying an electric field to an adhesive modified with an ionic liquid. Here, the effects are not fully understood yet. Therefore, this work focuses on the debonding mechanism of the mentioned approach using a targeted SEM analysis of the fracture surfaces. In addition, the influence of different bonding conditions and debonding process parameters, e.g. the applied voltage or the aluminium alloy on the reduction of strength is evaluated. It is shown that especially the strength of the induced electric field during the debonding and the layer thickness of the adhesive have a significant influence on the debonding progress.