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Materials science

Energy storage wrapped up

Cables and wires are used to conduct electricity, but can they also store energy? The answer is a resounding 'yes', if they are encased by a supercapacitor device — a finding that might open up many applications.

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Figure 1: Energy-storing cables.


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Correspondence to Yury Gogotsi.

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Gogotsi, Y. Energy storage wrapped up. Nature 509, 568–569 (2014).

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