Field Study and Multimethod Analysis of an EV Battery System Disassembly

Sonja Rosenberg, Sandra Huster, Sabri Baazouzi, Simon Glöser-Chahoud, Anwar Al Assadi and Frank Schultmann
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Sonja Rosenberg: Institute for Industrial Production (IIP), Karlsruhe Institute of Technology (KIT), Hertzstr. 16, 76187 Karlsruhe, Germany
Sandra Huster: Institute for Industrial Production (IIP), Karlsruhe Institute of Technology (KIT), Hertzstr. 16, 76187 Karlsruhe, Germany
Sabri Baazouzi: Fraunhofer Institute for Manufacturing Engineering and Automation (IPA), Nobel Str. 12, 70569 Stuttgart, Germany
Simon Glöser-Chahoud: Institute for Industrial Production (IIP), Karlsruhe Institute of Technology (KIT), Hertzstr. 16, 76187 Karlsruhe, Germany
Anwar Al Assadi: Fraunhofer Institute for Manufacturing Engineering and Automation (IPA), Nobel Str. 12, 70569 Stuttgart, Germany
Frank Schultmann: Institute for Industrial Production (IIP), Karlsruhe Institute of Technology (KIT), Hertzstr. 16, 76187 Karlsruhe, Germany

Energies, 2022, vol. 15, issue 15, 1-35

Abstract: In the coming decades, the number of end-of-life (EoL) traction battery systems will increase sharply. The disassembly of the system to the battery module is necessary to recycle the battery modules or to be able to use them for further second-life applications. These different recovery paths are important pathways to archive a circular battery supply chain. So far, little knowledge about the disassembling of EoL batteries exists. Based on a disassembly experiment of a plug-in hybrid battery system, we present results regarding the battery set-up, including their fasteners, the necessary disassembly steps, and the sequence. Upon the experimental data, we assess the disassembly duration of the battery system under uncertainty with a fuzzy logic approach. The results indicate that a disassembling time of about 22 min is expected for the battery system in the field study if one worker conducts the process. An estimation for disassembling costs per battery system is performed for a plant in Germany. Depending on the plant capacity, the disassembling to battery module level is associated with costs between EUR 80 and 100 per battery system.

Keywords: disassembly; EV battery system; disassembly graph; fuzzy disassembly time; cost estimation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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