Journal
RESOURCES CONSERVATION AND RECYCLING
Volume 185, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.resconrec.2022.106484
Keywords
EV batteries; Circular economy; End-of-life strategies; Material flow analysis; Transition studies; Multi-level perspective
Categories
Funding
- Research Initiative of Sustainable Industry and Society (IRIS), ITM School, KTH Royal Institute of Technology
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The widespread adoption of electric vehicles is crucial for reducing carbon emissions and achieving climate change goals. However, this transition presents challenges in terms of increased demand for key battery materials and potential resource and supply-chain risks. On the other hand, the disposal of EV batteries creates opportunities for second-life use and recycling. This study explores the future volume of EV battery waste and demand for battery materials in Sweden using scenario-driven analysis. It also highlights the impact of different socio-technical developments on EV battery flows and underlying systems. The results suggest that recycling and second-life use can significantly reduce primary demand for battery materials.
The rapid uptake of electric vehicles (EVs) will be vital to decarbonise the transport sector and achieve climate change targets. However, this transition is leading to an increased demand for key battery materials and associated resource challenges and supply-chain risks. On the other hand, discarded EV batteries create business opportunities for second life and recycling. This study presents scenario-driven material flow analysis (MFA) to estimate the future volume of EV battery wastes to be potentially generated in Sweden and future demand for key battery materials, considering potential EV fleet, battery chemistry developments, and end-of-life strategies of EV batteries. Further, we combine MFA with a socio-technical approach to explore how different socio-technical developments will affect both EV battery flows and the underlying systems in the future. Recycling has the potential to reduce primary demand by 25-64% during 2040-2050 based on projected demand, meaning that waste streams could cover a considerable part of the future raw material demands. Second-use of EV batteries can promote circularity yet postpones recycling potentials. From a transition perspective, promoting recycling, second-life use of EV batteries and advanced battery technologies entail system disruption and transformational changes in technology, markets, business models, policy, and infrastructure and user practices. Demand for high-capacity batteries for grid decarbonisation and aviation applications may contribute to the emergence of niche battery technologies. Each scenario highlights the need for effective policy frameworks to foster a circular EV battery value chain.
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