Interesting article - uncertain if it had been posted before:
http://www.mnn.com/green-tech/research-innovati...
The concept is that by putting Lithium Ion in a jelly like polymer, it is safer and lighter, and moves to a 'solid state' storage concept. I recall that someone on this forum suggested that EEStor might be pursuing a similar approach? I did a search but could not find it.
Lens Scale: 5 - but would like some tangible evidence soon. Too many years and counting....