Development of Transient Performance Simulator of Lithium-Ion Secondary Battery

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A simulator for transient voltage responses of lithium-ion secondary batteries that can apply to degraded batteries is proposed and established. In order to confirm the validity of the proposed simulator, the numerically obtained transient voltage responses of degraded battery are compared with the corresponding experimental ones in the cases two different current patterns with almost constant SOC and large SOC variation are supplied into the battery. Through these comparisons, the validity of the simulator proposed in this study is successfully demonstrated.