Imagine roads that produce electricity as vehicles pass by or buildings that generate power from natural vibrations. A team of researchers at Rensselaer Polytechnic Institute (RPI) is making this vision possible with an innovative, lead-free piezoelectric material. This development could be a game-changer in the quest for sustainable, toxin-free energy solutions .
Green energy from vibrations
In their recent publication in Nature Communications, the scientists detail the use of a chalcogenide perovskite-infused polymer film, designed to generate electricity when compressed. Although the piezoelectric effect is not new, this material stands out for its high performance and environmental safety , being one of the few that eliminates lead toxicity, a crucial problem today.
Professor Nikhil Koratkar, leader of the study, explained that this material has great potential in multiple applications.
It can be used in infrastructure such as roads or even in devices that take advantage of human movement. With each pressure or vibration, usable electricity is generated.
He detailed.
Future applications of piezoelectric material
Thanks to its thickness of just 0.3 millimetres, the material is easily integrated into a wide range of surfaces and devices . From urban street lamps to vehicle tyres that recharge energy, the possibilities are vast. Furthermore, tests have shown promising results: the film is able to generate enough energy to light up devices such as LED banks.
The RPI team will continue to explore perovskite compounds to further optimize the piezoelectric effect . Artificial intelligence will play a crucial role in identifying new, more efficient materials, accelerating development towards sustainable energy solutions.
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Source and photo: Rensselaer Polytechnic Institute
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