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Waste to wealth: Pomelo peel can be used for electricity generation and sensing devices

Waste to wealth: Pomelo peel can be used for electricity generation and sensing devices
The researchers developed pomelo peel-based devices for energy harvesting and self-powered sensing. Credit: ACS Applied Materials & Interfaces (2024). DOI: 10.1021/acsami.4c02319

Pomelo is a large citrus fruit commonly grown in Southeast and East Asia. It has a very thick peel, which is typically discarded, resulting in a considerable amount of food waste. In a new study published in ACS Applied Materials & Interfaces, University of Illinois Urbana-Champaign researchers explore ways to utilize waste pomelo-peel biomass to develop tools that can power small electric devices and monitor biomechanical motions.

“There are two main parts of the pomelo peel—a thin outer layer and a thick, white inner layer. The white part is soft and feels like a sponge when you push on it...

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