Roger G3XBM's (Mainly) Amateur Radio Blog

For weeks I have been following the 2 bit Da Vinci videos on the Donut batteries recently announced. It really looks as if this is real. I t...

In my view these are almost there.  By next year probably several companies will be launching EVs with huge ranges and fast charging times....

Recently there has been a great deal of excitement over Donut batteries and their claim to have produced a solid state battery with some rem...

The "holy grail" of EV batteries is greater range, costs lower than lithium ion, no rare earths, fast charging times, long life an...

Most agree that electric cars are not there yet.  Early adopters have to contend with lithium-ion batteries, where lithium is in short suppl...