Backpack straps harvest energy to power electronics

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The energy harvesting backpack uses piezoelectric straps to generate electrical energy. Credit: Jonathan Granstrom et al.
The energy harvesting backpack uses piezoelectric straps to generate electrical energy. Credit: Jonathan Granstrom, et al.

All that rubbing of your backpack straps on your shoulders may be put to good use, now that researchers have designed a novel type of energy harvesting backpack. The pack has straps made of a piezoelectric material that can convert the mechanical strain on the straps into electrical energy that may power or recharge portable electronics.


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