Adding cesium nitrate to electrolyte increases charging rate of lithium metal batteries while maintaining long cycle life

https://techxplore.com/news/2024-01-electrolyte-additive-lithium-metal-batteries.html

"interphase protective layer lets lithium metal have as many cycles as lithium-ion... increased the presence of components known to make the interphase more protective. The XRD data, however, had a surprise: lithium fluoride was missing, although it is generally regarded as necessary component of good interphase, but lithium fluoride-free interphase enabled long cycle life and fast charging... lithium formed by electrochemical reactions deposits uniformly when cesium nitrate added to electrolyte, stabilizing electrode"