Battery valuation and management for battery swapping station

Xinjiang Chen, Yu Yang, Jianxiao Wang, Jie Song and Guannan He

Energy, 2023, vol. 279, issue C

Abstract: Battery swapping station (BSS), a business model of battery energy storage (BES), has great potential in future integrated low-carbon energy and transportation systems. However, frequent battery swapping will inevitably accelerate battery degradation and shorten the battery life accordingly. To model the tradeoff of BSS use between energy and transportation applications, we develop a life-cycle decision model that coordinates battery charging and swapping in which the sensitivity of demand to price for battery swapping is considered and the optimal marginal degradation cost (MDC) of BSS is determined to maximize the BSS benefit across time and application. The proposed model is applied to manage a BSS that simultaneously provides battery swapping services to electric vehicle customers and provides flexibility service to the power grid, including energy arbitrage and reserve. The case study shows that while the end of the battery physical life occurs faster with battery swapping, the economic life becomes considerably longer. The results also reveal that the optimal MDC depends on the battery values in each application, and we analyze how the battery swapping price affects the optimal MDC and battery life. The proposed model can also provide decision support for on-demand BSS service, such as battery trading and renting.

Keywords: Energy and transportation; Battery swapping station; Degradation; Energy arbitrage; Life-cycle decision model (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:279:y:2023:i:c:s0360544223015141

DOI: 10.1016/j.energy.2023.128120

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