Device turns shells of sea creatures into power for medical, augmented reality, cellphone devices

An innovation using material derived from the shells of crabs and other sea creatures may soon provide a new option for powering medical sensors, phone screens and other devices.

Wu Group used chitosan – an abundant natural biopolymer from marine crustacean shells – to create triboelectric nanogenerators. TENGs help conserve mechanical energy and turn it into power.

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