Power Battery Echelon Utilization and Recycling Strategy for New Energy Vehicles Based on Blockchain Technology

Abstract

With the increasing popularity of new energy vehicles (NEVs), a large number of automotive batteries are intensively reaching their end-of-life, which brings enormous challenges to environmental protection and sustainable development. This paper establishes a closed-loop supply chain (CLSC) model composed of a power battery manufacturer and a NEV retailer. The benchmark scenario of CLSC members without blockchain technology is analyzed, and the optimal recycling strategy of the manufacturer and retailer using traceability information based on blockchain technology is discussed. We generate our findings from three aspects, as follows: the manufacturer or retailer is more willing to take the responsibility of recycling when the proportion of retired batteries that can be used in echelons is relatively high. Meanwhile, when the recycling cost is large, both manufacturers and retailers should adopt blockchain technology to obtain greater profits. Furthermore, with the improvement of traceability information transmission efficiency, a higher profit growth rate will be achieved.

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