Piezoelectric materials generate a small electric charge when they are put under stress. Both tension and compression stress alter the structure of the material, producing micro-volts of charge that can be siphoned off to power equipment. By creating multiple separate ribbons of a piezoelectric material with desirable properties, something of a bank charge battery can be produced, where each ribbon generates an independent voltage, which then stack.
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Ongoing research into potential piezoelectric power sources for smart prosthetics turned up a powerful - and deadly - candidate in a polymer that is already used for many cosmetic implants. silicon polymer is a fantastic source of energy when squeezed. However, it also damages the organic cells around it each time this occurs.
A different paradigm in power generation for implants and prosthetics, combines electrical generation and storage in a single thin three-layer flexible ribbon. Piezoelectric in nature, it builds long-term storage into the electrical ggeneration process. No other battery or powersource required.
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Crystals and ceramics pale when compared to a material researchers at Oak Ridge National Laboratory discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday uses.
Murata Manufacturing Co. is using high-transparency organic piezoelectric film for its two new devices, a remote control that works by bending and twisting, and a touch-pressure pad that connects to PCs. Murata will ship samples of both dev...
Researchers at Princeton University have created a flexible material that harvests record amounts of energy when stressed. The researchers say the material could be incorporated into the soles of shoes to power portable electronics, or even...
Murata Manufacturing Co., Ltd., a company based in Kyoto in Japan, has made what they claim to be the world's first ultra-thin (0.9 mm thick) waterproof piezoelectric speaker.
Mobile phones and other small portable devices t...
A new generation of lead-free piezoelectric materials could lead to greener actuators, sensors and even ultra-dense data storage. The new materials, which generate an electric field when squeezed, copy the crystal structure of conventional ...