Issue 2, 2024

Optimizing geographic locations for electric vehicle battery recycling preprocessing facilities in California

Abstract

Spent lithium-ion batteries (LIBs) at end of life pose several safety risks. Specifically, LIBs have the potential to self-ignite during transport, release toxic compounds during incineration, and can leach contaminants into landfills. Spent LIBs, which are classified as hazardous waste, are also subject to numerous policies and require disposal by certified personnel and companies. These requirements result in an increase in transport costs and volume compared to other waste. Efforts to improve LIB recycling focus primarily on reducing costs to make recycling economically profitable. The greatest emphasis is placed on improving recycling technologies; however, transport costs significantly impact the total cost of LIB recycling. Here, we provide a procedure for choosing an unsupervised machine learning clustering heuristic to identify optimal locations for LIB recycling preprocessing facilities in California. The identified decentralized facility locations minimize the transportation distance and the cost of shipping spent electric vehicle batteries between end-use sector facilities and potential second-use locations.

Graphical abstract: Optimizing geographic locations for electric vehicle battery recycling preprocessing facilities in California

Article information

Article type
Paper
Submitted
12 Sep 2023
Accepted
19 Dec 2023
First published
20 Dec 2023
This article is Open Access
Creative Commons BY-NC license

RSC Sustain., 2024,2, 377-389

Optimizing geographic locations for electric vehicle battery recycling preprocessing facilities in California

M. W. Haynes, R. C. González and M. C. Hatzell, RSC Sustain., 2024, 2, 377 DOI: 10.1039/D3SU00319A

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