[slfnflctd]

Yawn. I've been following this concept, and a wide array of very talented scientists working on it, for years now.

Any of the below projects, should they ever see the light of day (you'd think out of this many, at least one will make it eventually), stands a good chance of being quite superior for this application in just about every way:

http://www.eosenergystorage.com/technology-and-products/

http://www.ambri.com/technology/

http://www.ultrabattery.com/technology/

http://www.axionpower.com/Technology

http://www.lightsail.com/

http://www.drexel.edu/now/archive/2014/November/MXene-clay/

[ThomPete]

Very rarely the best solution wins.

[bengali3]

Agreed. Also, which definition of 'win' is agreed upon here. Win by efficiency? Win by market cap?

Edit: hint, look out for the very talented marketers