This seems almost to good to be true, but I guess some of the more technical people in here can shed a more balanced light on this issue.
Imagine what this could do to the future of EV batteries if their claims are correct. About double the energy density and an enormous leap in power density compared to todays Li-Ions. And only a fraction of the charging time!
Prieto Battery | Just another WordPress site
Go to the "How it works" tab to see some illustrations of the technology.
And more into what they forsee for EVs:
Model S, P 317