A new study highlights the properties of recycled lithium in electric car batteries. The results are quite surprising and give a big push for recycling. A brand new study has come out of Worcester Polytechnic Institute about lithium in batteries. A team of researchers from the American Battery Consortium (USABC) conducted the study, led by Yan Wang, an engineer.
Battery specialist A123 Systems also participated in the study, which opens up new perspectives on recycling. The researchers found that recycled lithium is as efficient as freshly mined lithium. Wang and his team tested batteries with recycled NMC111 cathodes. This is the most common type of cell, consisting of equal parts nickel, manganese and cobalt. The study found that the recycled cathodes performed better, including a better performance cycle. Capacity was also higher, which was one of the surprises of this research.
The team then conducted several tests in different industrial settings to confirm their results. However, no tests were carried out in a car. Nevertheless, the test protocols of the A123 Systems engineers matched in every way what a car battery needs. While recycling and the mining of raw materials are two issues raised by critics of the electric car, this study could solve both and give a new perspective of zero emissions cars.
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