Scientists Turn Used Water Bottles into Powerful Energy Devices
Every year, over 500 billion plastic water bottles are produced worldwide, with most being used only once before disposal.
Researchers, led by Professor Yun Hang Hu, have found a way to repurpose this waste by transforming old bottles into high-performance supercapacitors.
These devices can store and release energy quickly and efficiently.
- The research, published in Energy & Fuels, utilized heat-based techniques to upcycle plastic bottles made of polyethylene terephthalate (PET) into key components for an all-plastic supercapacitor.
- The upcycled device performed as well as, or slightly better than, similar supercapacitors made with traditional materials.
Author's summary: Scientists create energy devices from plastic bottles.
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Knowridge Science Report — 2025-10-13