Project LiBforSecUse: Quality Assessment of Electric Vehicle Lithium Ion Batteries for Second Use Applications

Open Z bridge main panel.

by Stanislav Mašláň, Gareth Hinds, Mohamed Ouameur, Frédéric Overney

This paper introduces the European project LiBforSecUse, which is focused on metrology requirements for impedance spectroscopy of commercial Li-ion cells for second life applications. It focuses specifically on the achievements in the workpackage dealing with traceability of low impedance analyzers for cell impedance spectroscopy. Several low impedance mΩ-range impedance standards are described. Next, a reference digital sampling impedance bridge for mΩ-range and frequencies from 0.01 Hz to 5 kHz is presented. Finally, preliminary results of an international, interlaboratory comparison of low impedance measurements are presented.

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