Notable steps in the process of lithium battery recycling (IMAGE)
Caption
Laid out left to right to illustrate notable steps in the process of lithium battery recycling are: a pair of lithium iron phosphate batteries; a container of black mass powder obtained from shredding spent batteries; the electrochemical process used to recycle lithium from a solution containing dissolved lithium ions from black mass; and a dish of recovered lithium phosphate shown as white powder. The picture was made in Chemistry Professor Kyoung-Shin Choi's research lab in the Chemistry Building at the University of Wisconsin–Madison on Aug. 6, 2025. Choi and her team have developed an electrochemical method to recycle lithium in spent lithium iron phosphate batteries from electric vehicles (EVs) and other applications as pure lithium chemicals to make new batteries.
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Photo by Jeff Miller/UW–Madison
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