To adopt blockchain or not? A game theoretic analysis of profit and environmental impact in decommissioned EV lithium-ion battery recycling

Jinwu Gao, Shuman Jiang and Yi Zhang

Applied Energy, 2024, vol. 367, issue C, No S0306261924006950

Abstract: Lithium-ion battery (LIB) related companies can employ blockchain to record data used to assess the health status of LIBs and thus recycle decommissioned LIBs in an environmentally friendly and economic manner. However, whether blockchain adoption is helpful for the environment and company profitability remains controversial. To this end, we consider a stylized closed-loop supply chain consisting of a LIB supplier (LS), an outsourced-mode EV manufacturer (OM), and an integrated-mode EV manufacturer (IM), and analyze whether IM and LS should adopt blockchain for LIB production and recycling from the perspective of environmental impact and company profitability. First, we show brand preference, the effect of blockchain operational cost disadvantage, and the effect of echelon utilization benefit advantage are the main factors affecting the equilibrium decisions. Second, we show blockchain adoption is viable to mitigate the environmental impact of LIB production and recycling, provided that the energy savings from the echelon utilization method exceed a certain value. Third, we show that both IM and LS will adopt blockchain when the blockchain operating cost is low, whereas neither of them will adopt blockchain technology when the blockchain operating cost is high. In cases where blockchain operating cost is medium, only IM will adopt blockchain.

Keywords: Blockchain adoption; Lithium-ion battery recycle; Game theory; Supply chain management (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123312

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