Project Management and Engineering Research by José Luis Ayuso Muñoz José Luis Yagüe Blanco & Salvador F. Capuz-Rizo

Author:José Luis Ayuso Muñoz, José Luis Yagüe Blanco & Salvador F. Capuz-Rizo
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

2 Objective

The main goal of this study is to determine, using an electrochemical model, the estimated lifespan or durability of a battery in different 2nd life applications. These applications are classified in four groups regarding the characteristics of the battery loads.

The estimated RUL will serve to define and program battery replacements and to determine its impact in the amortizations and business cost analysis.

3 Methodology

For the RUL calculation, an electric equivalent circuit model with an R and 4 RC pairs in series will be used, as it is shown in Fig. 1. The OCV element represents a voltage source that establishes the open circuit voltage of a battery in relation to SOC. These parameters are taken from the battery manufacturer datasheet.

Fig. 1Electrochemical circuit used, it has a resistance and four RC pairs in series

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