Sep-12-16
An innovative new battery made of fish scales can harvest the energy of small motions to produce electricity.
Developed by a team at the Jadavpur University in India, the generator is made using fish scales that are usually treated as waste. Taking advantage of the scales’ collagen nano-fibril makeup, which has piezoelectric properties, the team first treated the scales with a demineralizing solution that made them transparent and flexible. The treated scales were then attached to gold electrodes and laminated with a polypropylene film to render them more robust.
The resulting “bio-piezoelectric nanogenerator” was able to deliver enough energy to power an array of LED lights by harnessing the motion of a hand slap.
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