[tar heels]

Braun's findings, published last week in an online version of the journal Nature Nanotechnology, could lead to an EV charging time comparable to that for filling a tank of gas. Smaller objects like cell phones could charge in well under a minute, Braun said.

"We have batteries in the lab that can charge in tens of seconds," he said.

When a battery charges, energy moves between its cathode and anode. When a battery powers a product, or discharges, energy travels the opposite way, between its anode and cathode. Braun's group came up with a three-dimensional nanostructure for the battery cathode that allows its batteries to charge at a much faster rate than conventional batteries.

Read the rest here.

 

[tar heels]

This is exactly why we should be investing in green technology!



Does increasing the density mean a higher charge capacity per pound or does this technology make the battery more heavy for a given charge capacity?

density = mass/volume

Makes the battery heavier.