Lithium-free, non-flammable batteries lasting twice as long

https://www.eurekalert.org/news-releases/1150799

Summary: Non-flammable, quasi-solid quaternary ammonium-bearing fluoride-exchange membrane serving as polymer electrolyte enables room-temperature fluoride-ion transport. Using abundant fluoride ions/ eliminating elevated thermal operation requirements, for 2X energy density and inherent safety against fires. This lithium-free energy storage system offers immediate commercial fabrication pathways for electric vehicles, aerospace satellites, and stationary grid grids.