I'm starting to realize that we just need to be patient. 

This unveiling from the Swiss Bike manufacturer Stormer first leads one to believe that a solid state battery bike is available for sale. Turns out that the product - a ceramic solid state being developed in partnership with TD High-tech Energy (Taiwan) is still several years away from commercial launch. 

https://velo.outsideonline.com/ebike/stromer-solid-state-battery-e-bike/