How to calculate R3&C3 values of lithium ion battery 3RC model from battery discharge curve

Thread Starter

sundarisamy

Joined Jul 18, 2018
6
Iam trying to calculate lithium ion battery 3RC model parameters from the battery discharge voltage curve using equations.For single discharge current pulse, from the first slope of voltage of curve i calculated R2 & C2. From the second slope i calculated R1 & C1.I dont know which place i have to consider to calculate R3&C3 values.
 
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