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Generator Can Harvest Energy From The Subtlest Of Movements [Pics]

Generator Can Harvest Energy From The Subtlest Of Movements [Pics]
Innovation

Researchers have developed a triboelectric generator that collects energy from stop-start movements.

by Leah Gonzalez
  • 6 march 2014

Researchers from Georgia Tech and Chinese Academy of Sciences have developed a triboelectric generator that can harvest energy from ambient motions.

The research team, led by material science and engineering professor Zhong Lin Wang, built a hand-sized prototype device that can harvest energy from stop-start movements like walking, flowing water, gentle winds blowing, and even body movements.

The device creates electricity from the static produced by the friction between a rotating disc rubbing against a stationary one. This process of generating static is called the triboelectric effect, which is the same effect that happens when a person shuffling their shoes on a nylon floor receives a shock when he or she touches an object.

The prototype device the team built was able to recharge a smartphone and power up LED lights, a digital alarm clock and a wireless transmitter. In their research the team described how the generator can be developed with low-cost materials and on a larger scale.

A paper on the study was recently published on the journal Nature Communications.

triboelectric-generator

triboelectric-generator-2

Georgia Tech

Source: Txchnologist, Phys.org

Images: Guang Zhu and Zhong Lin Wang/Chinese Academy of Sciences and Georgia Tech via Txchnologist and Phys.org

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