Joule
CommentaryBattery passports for promoting electric vehicle resale and repurposing
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Starting in 2026, most batteries sold in the European Union (EU) will require a battery passport. This initiative is part of a broader legislative framework, led by the European Commission, to improve sustainable battery materials sourcing practices and enable a circular economy. All batteries having a capacity of greater than 2 kilowatt hours (kWhs) will be covered under the legislation, effectively encompassing all electric vehicle (EV) batteries and stationary grid storage batteries.1,2
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Acknowledgments
This work was supported by the National Science Foundation, grant number 1762247.
Declaration of interests
A.W. has an affiliation with Tesla that is unrelated to this research. A.S. is an advisory board member for Joule. This research reflects work performed at the University of Michigan. All claims expressed in this article are solely those of the authors and do not represent those of their affiliated organizations.
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