Batteries charge quickly and retain capacity, thanks to new 3D nanostructure

From PhsyOrg.com:

“This system that we have gives you capacitor-like power with battery-like energy,” said Braun, a professor of materials science and engineering. “Most capacitors store very little energy. They can release it very fast, but they can’t hold much. Most batteries store a reasonably large amount of energy, but they can’t provide or receive energy rapidly. This does both.”

Continued

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