[lutze]

Not an expert, but from what I understand it's a trade off. Super-capacitors hold much less charge than batteries.

There was a very interesting article about them on HN last year IIRC.

[zorlem]

Maybe this one: https://news.ycombinator.com/item?id=3723943 , but I'm still unclear if OP invention or break-through is for the same technology.