Test Center for Aging Analysis and Characterization of Lithium-Ion Batteries for Automotive Applications

Paper #:
  • 2011-01-1374

Published:
  • 2011-04-12
Citation:
Fischnaller, M., Melbert, J., Scharner, S., and Eichner, T., "Test Center for Aging Analysis and Characterization of Lithium-Ion Batteries for Automotive Applications," SAE Technical Paper 2011-01-1374, 2011, https://doi.org/10.4271/2011-01-1374.
Pages:
7
Abstract:
A test center for aging analysis and characterization of Lithium-Ion batteries for automotive applications is optimized by means of a dedicated cell tester. The new power tester offers high current magnitude with fast rise time in order to generate arbitrary charge and discharge waveforms, which are identical to real power net signals in vehicles. Upcoming hybrid and electrical cars show fast current transients due to the implemented power electronics like inverter or DC/DC converter. The various test procedures consider single and coupled effects from current profile, state of charge and temperature. They are simultaneously applied on several cells in order to derive statistical significance. Comprehensive safely functions on both the hardware and the software level ensure proper operation of the complex system.
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