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Materials for energy

Materials for energy

Twisted carbon nanotubes store more energy than lithium-ion batteries

02 Aug 2024 Margaret Harris
Artist's image showing a running human with a sensor in their body. An inset image of the sensor shows that it contains twisted ropes of carbon nanotubes
Power with a twist: Twisted ropes made from single-walled carbon nanotubes could store enough energy to power sensors within the human body while avoiding the chemical hazards associated with batteries. (Courtesy: Shigenori UTSUMI)
Mechanical watches and clockwork toys might seem like relics of a bygone age, but scientists in the

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Margaret Harris is an online editor of Physics World
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