The Natural Philosopher wrote:

John Rumm wrote:

there are actually some even more interesting developments using hybrid
LiPoly batteries with carbon nano tubes to increase capacity

NOT to increase capacity. To decrease internal resistance. faster
charging, no more miles per charge.

3x the capacity, 10 minute charging time ... still in the research labs.

http://scitechdaily.com/new-lithium-ion-battery-design-uses-silicon-nanoparticles