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Turning Water into Electricity while Detecting fires: Researchers create dual purpose fire sensor

Turning water into electricity while detecting fires: Researchers create dual purpose fire sensor
Graphical abstract. Credit: Chemical Engineering Journal (2025). DOI: 10.1016/j.cej.2025.159281

Various clean energy technologies have been developed to meet the rapidly intensifying energy demand and dwindling fossil fuel reserves. However, many of these technologies are hindered by low efficiency and high costs.

Hydrovoltaic (HV) mechanisms, in which electricity is generated by the direct interaction of nanostructured materials and water molecules, have recently emerged as promising, cost-efficient alternatives. HV systems show particular promise for powering electrical sensors, including fire sensors.

Traditional fire sensors rely on batteries to operate during power outages, but these batteries can explode during fires...

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