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This water bottle purifies your drink with energy from your steps

Static electricity generated by the foot striking the ground can be captured to kill pathogens.
Modified water bottle for safe drinking. The electrostatic charges harvested from the body surface exhibit sufficient power density to induce electroporation for disinfection.

Electrostatic charge harvested from the skin of the person holding a newly devised water bottle is used to disinfect the bottle’s contents. Credit: Young-Jun Kim

Run out of drinking water on your hike? A new-concept bottle can disinfect water refilled from any freshwater source by harnessing the electricity that your body generates in just ten minutes of walking1.

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Nature 628, 693 (2024)

doi: https://doi.org/10.1038/d41586-024-01074-9

References

  1. Kim, Y.-J. et al. Nature Water https://doi.org/10.1038/s44221-024-00226-5 (2024).

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