| abstract |
An electrochemical battery system in one embodiment includes at least one electrochemical cell, a current sensor configured to generate a current signal, a voltage sensor configured to generate a voltage signal, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate an estimated cell nominal capacity (C nom ) of the at least one electrochemical cell by estimating a first leg C nom during a first charging sequence using a first charging current, estimating a second leg C nom during a second charging sequence using a second charging current, wherein the second charging current is at a current amplitude different from the current amplitude of the first charging current, and generating the cell C nom based upon the first leg C nom and the second leg C nom |