A collaboration of Chinese and German research teams shows the impressive potential of batteries with solid-state electrolytes. Their electrical properties are superior, at least in a lab setting.https://www.notebookcheck.net/Fully-charged-in-1-minute-and-very-durable-LiS-solid-state-battery-with-glass-electrolyte-in-development.949864.0.html
This sounds similar to the material that was invented by Helena Braga and John Goodenough.