The main problem is that their high energy density declines rapidly with repeated charge and discharge. The expectation is that the widespread use of such batteries will help address the problem of climate change. They could power cars for much longer distances and could even power long-haul trucks and aircraft one day. The chemistries of non-lithium-ion batteries offer twice or more energy stored in a given volume or weight compared to lithium-ion. “An exciting new generation of battery types for electric vehicles beyond lithium-ion is on the horizon,” said Zhengcheng (John) Zhang, a group leader in Argonne’s Chemical Sciences and Engineering division. Department of Energy’s Argonne National Laboratory identified a fluoride electrolyte that could safeguard future batteries from performance decline. However, compounds containing fluorine have additional unexpected applications. Many toothpastes contain sodium fluoride, a compound of fluorine, to defend teeth from decay. A new fluoride-containing electrolyte paves the way for high-performance, long-lasting batteries. This new electrolyte enhances energy density and prolongs battery lifespan, potentially revolutionizing the electric vehicle industry. Scientists at Argonne National Laboratory discovered a fluoride electrolyte that improves the performance of next-generation batteries beyond lithium-ion.
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