Network Deployment of Battery Swapping and Charging Stations within Hyperconnected Logistic Hub Networks

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IPIC2024_NetworkDeploymentNetworks_30.pdf (6.12 MB)
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Xu, Yujia
Liu, Xiaoyue
Chen, Guanlin
Klibi, Walid
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https://hdl.handle.net/1853/75416
 https://doi.org/10.35090/gatech/11067
Abstract
The rapid proliferation of electric vehicles emphasizes the importance for logistics companies to strategically integrate electric vehicles into their freight transportation systems to optimize the environmental impact and efficiency of freight operations. Battery swapping stations (BSS) have been gaining attention and interest for the swift replacement of depleted battery with a charged battery, handling the obstacles regarding to the traditional charging methods. The discharged batteries will be charged at Battery charging stations (BCS), either at the service location or through central collections. Lateral transshipments between stations involve the redistribution of batteries and offering a solution to optimize resource utilization and enhance the overall efficiency of the charging network. To consider the integration of battery swapping and charging stations with hyperconnected hub networks, this paper jointly determines station localization and sizing, freight consolidation and routing, and battery inventory and transshipment. We formulate the problem with a mixed integer programming model to optimize the total system cost, including site fixed cost, freight transportation cost, battery leasing, charging and transshipment cost over multiple time intervals. Two charging strategies are discussed with the deployment of battery swapping and charging stations, including ‘Swap-Locally, Charge-Locally’ and ‘Swap-Locally, Charge-Centrally’ strategies. Through comprehensive mathematical modeling and analysis, we investigate the effects of ‘Swap-Locally, Charge-Centrally’ strategy with centrally managed battery inventory on less facility depreciation cost, higher battery utilization rate and stable safety stock of charged batteries, thereby enhancing efficiency and resilience against potential risks.
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2024-05
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