Found this interesting article today when I was surfing the web.
While this is great for large applications, I doubt it would ever be a viable replacement for cell phone batteries
True but I'm just amazed at the level of innovation in Battery Technology in the last few years.
But you never know where things will lead.
THIS IS MORE LIKELY TO REPLACE NORMAL BATTERY'S I see this as being adapted instead.
Diamond battery's are more practical and cost effective
My personal favorite is the thorium reactor. It operates at low pressures is walk away safe and eats nuclear waste.