Device harvests energy from low-frequency vibrations

A wearable energy-harvesting device could generate energy from the swing of an arm while walking or jogging, according to a team of researchers from Penn State's Materials Research Institute and the University of Utah. The ...

Electric textile lights a lamp when stretched

Researchers at Chalmers University of Technology have developed a fabric that converts kinetic energy into electric power. The greater the load applied to the textile and the wetter it becomes, the more electricity it generates. ...

Demonstration of a single molecule piezoelectric effect

Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague) and institutional collaborators have demonstrated for the first time a single-molecule piezoelectric effect. The study, published ...

Negative piezoelectric effect is not so rare after all

(Phys.org)—The piezoelectric effect, which causes a material to expand along the direction of an applied electric field, is common in many materials and used in a variety of technologies, from medical ultrasound to vibration-powered ...

A flexible material that generates electricity when stressed

Researchers from Empa have developed a flexible material that generates electricity when stressed. In future, it might be used as a sensor, integrated into clothing or even implanted in the human body, for instance, to power ...

Researchers develop flexo-electric nanomaterial

Researchers at the University of Twente's MESA+ research institute, together with researchers from several other knowledge institutions, have developed a 'flexo-electric' nanomaterial. The material has built-in mechanical ...

Computing a textbook of crystal physics

Disturbing a material's crystal lattice can create a charge imbalance that leads to a voltage across the material. This phenomena, called the "piezoelectric effect," was first demonstrated in 1880 by Jacques and Pierre Curie ...

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