Power dressing: Scientists generate electricity from clothes
Researchers in Switzerland have found a way to make electricity with polymers applied to clothes, unlocking the possibility of a wearable energy supply.
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Ученые Швейцарии научились получать электричество из одежды
The discovery is based on materials that can use indirect or ambient light for energy generation – something that is already used by the solar industry. These materials contain luminescent solar concentrators (LSC), which capture diffuse ambient light and transmit its energy to a solar cell, which then converts light into electrical energy.
To date, LSCs have only been available as rigid components that aren’t flexible or breathable. This made them unsuitable for use in textiles.
A research team led by Luciano Boesel from the Laboratory for Biomimetic Membranes and Textiles at the Swiss Federal Laboratories for Materials Science and Technology (EMPA) found a way to incorporate these luminescent materials into a polymer that provides flexibility and air permeability.
This new material is based on Amphiphilic Polymer Co-Network, which is already on the market in the form of silicone-hydrogel contact lenses. With the help of colleagues specialised in photovoltaics and fibres, the team was able to transform this into a flexible solar concentrator.
This new solar concentrator can be applied to textile fibres without the textile becoming brittle and susceptible to cracking or accumulating water vapour in the form of sweat.
“Solar concentrators worn on the body offer an immense benefit for the ever-increasing demand for energy, especially for portable devices,” according to EMPAExternal link.
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There has been a lot of buzz about the Swiss Solar Impulse project, which aims to fly the first solar-powered plane around the world in 2014. But who’s thinking about what the pilot will wear? Textile engineers at the Swiss Federal Laboratories for Materials Science and Technology (Empa) have been and it won’t be your typical…
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