A unified configurational optimization framework for battery swapping and charging stations considering electric vehicle uncertainty

Mingze Zhang, Weidong Li, Samson Shenglong Yu, Kerui Wen, Chen Zhou and Peng Shi

Energy, 2021, vol. 218, issue C

Abstract: Used batteries from electric vehicles (EVs) can be utilized as retired battery energy storage systems (RBESSs) at battery swapping and charging stations (BSCSs) to enhance their economic profitability and operational flexibility, by responding to the market incentive mechanism and interacting with EV batteries. In order to maximize the annual income of a BSCS, in this paper, we establish a double-stage coordinative decision-making (DCD) framework for the BSCS configuration, using the distributed robust optimization (DRO) approach for multi-timescale battery inventories. More specifically, in the DRO approach, the probability of each discrete EV battery swapping demand is carefully modeled to address the uncertainty in BSCS operations. The proposed DCD framework is able to enhance the flexibility of BSCS scheduling through systematically and optimally incorporating RBESSs; at the same time, it can also significantly improve regional load characteristics to accommodate the needs of the main electric grid. The effectiveness and superiority of the proposed DCD framework for BSCS is tested and verified through extensive simulation and comparison studies. The proposed integral optimization approach will be able to facilitate safe, reliable and economic operations of the next-generation power grid, whilst enhancing economics and utilization of retired EV batteries.

Keywords: Battery swapping and charging station; Electric vehicle; Retired battery; Second use; Configurational optimization (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:218:y:2021:i:c:s0360544220326438

DOI: 10.1016/j.energy.2020.119536

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