A team of researchers at the University of Michigan has created a next-generation lithium-sulfur battery using recycled Kevlar. The team has developed a bio-inspired battery membrane that enables the batteries to be repeatedly charged for commercial use such as in electric vehicles (EVs).
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Advances in Lithium Sulfur Battery Technology Potential to Increase Capacity 5x for EVs
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The lithium-sulfur batteries could have the potential – with fast charging cycles considered – to last for 1,000 charge cycles, which is the equivalent of around 10 years of EV usage. Besides a greater capacity, lithium-sulfur batteries have considerable advantages over other lithium-ion batteries. Sulfur can be found in abundance in contrast to the cobalt used in lithium-ion electrodes. Moreover, old bulletproof vests can be recycled to source the Kevlar aramid fibers of the battery membrane.
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