New Energy Generating Fabric Uses Wind and Sun to Power Devices

Authored or posted by | Updated on | Published on October 6, 2016 | Reply
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Picture of Energy Generating Fabric

A bracelet made from fabric woven with special energy-harvesting strands that collect electricity from the sun and motion. (Credit: Georgia Institute of Technology)

By AZoNano.com

Textiles capable of producing electricity from physical movement have been known for a while. A team of researchers from Georgia Institute of Technology have gone a step further and created a fabric that can concurrently harvest energy using both motion and sunshine.

Integrating two types of electricity generation into one fabric opens new avenues to design garments that could create their own energy source to power devices such as smartphones or GPS.

This hybrid power textile presents a novel solution to charging devices in the field from something as simple as the wind blowing on a sunny day.

Zhong Lin Wang, Regents Professor, Georgia Institute of Technology

The study was published in the September 12 issue of Nature Energy.

Wang’s team created the fabric with a commercial textile machine to weave together solar cells designed using lightweight polymer fibers with fiber-based triboelectric nanogenerators.

Triboelectric nanogenerators use a mixture of the triboelectric effect and electrostatic induction to produce small quantity of electrical power from mechanical motion such as sliding, rotation, or vibration.

Wang predicts that the new textile – measuring 320 ?m in thickness and woven together with strands of wool – could be combined into curtains, wearable garments, and tents.

The fabric is highly flexible, breathable, light weight and adaptable to a range of uses.

Zhong Lin Wang, Regents Professor, Georgia Institute of Technology

Fiber-based triboelectric nanogenerators confine the energy produced when certain materials turn out to be electrically charged when they make moving contact with a different material.

Photoanodes produced in a wire-shaped fashion and could be woven together with other fibers was used by Wang’s team to create the sunlight-harvesting portion of the fabric.

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