Browsing by Author "Huhman, B. M."
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- Investigation into State-of-Health Impedance Diagnostic for 26650 4P1S Battery PacksHuhman, B. M.; Heinzel, J. M.; Mili, Lamine M.; Love, C. T.; Wetz, David Alan (2017)State-of-Health (SoH) is a critical parameter for determining the safe operating area of a battery cell and battery packs to avoid abuse and prevent failure and accidents. Experiments were performed at the US Naval Research Laboratory (NRL) on a 4P1S cell array using pulsed discharge and electrochemical impedance spectra (EIS) to determine a single-point SoH frequency for the array as a whole. Individual cell EIS measurements were taken, as well as measurements of the array as a whole. This work will discuss experimental results to date. (C) The Author(s) 2017. Published by ECS. All rights reserved.