In the past, researchers encountered a significant challenge when measuring the compressive properties of ultra-thin ceramic-coated-separators (CCS). Traditional methods involved stacking individual separators to achieve measurable thicknesses, introducing uncertainties into the results (Kolm et al., 2022).

ZwickRoell’s MCCA represents a solution, allowing us to measure the compressive behavior of individual foils directly and precisely, providing a more accurate and reliable assessment. Moreover, the MCCA simultaneously measures the electric resistance of the currently tested sample, allowing for a better short-circuit prediction. Additionally, the sample holder’s temperature can be varied, enabling temperature-dependent analysis of a CCS.

VIRTUAL VEHICLE would like to thank ZwickRoell for the opportunity to present our contribution to increasing battery crash safety at the ZwickRoell E-Mobility Testing Symposium with a focus on mechanical battery testing.

Kolm, P., Behmer, M., Kargl, P., & Breitfuss, C. (2022). Influence of electrolyte presence on the vibration behavior of a Li-ion pouch cell and on the mechanical characteristics of its incorporated Al2O3-coated polyolefin separator. Journal of Energy Storage, 51, 104249.