Researchers at Chung-Ang University in Korea have developed a groundbreaking fire sensor powered by hydrovoltaics (HV) instead of traditional batteries. This sustainable approach utilizes the interaction of water molecules with nanostructured materials to generate electricity, offering a safer and more reliable alternative for powering small devices like fire sensors. The HV system draws power from water and is partially immersed in it, eliminating the risk of battery explosions during a fire. Additionally, it can use changes in water flow caused by fire-induced evaporation to deliver more accurate responses compared to conventional systems prone to false alarms.
Researchers at the Chung-Ang University in Korea have developed a fire sensor that is powered by hydrovoltaics instead of batteries. Hydrovoltaics, where electricity is generated due to the interaction of water molecules with nanostructured materials, is a cost-effective and sustainable approach to powering small devices, a press release said. As the world looks to transition to sustainable and clean energy approaches, there is also a need to overhaul energy systems used in small devices.
A research team led by Byungil Hwang, an associate professor at the School of Integrative Engineering at Chung-Ang University in South Korea, developed a hydrovoltaic device that works as a fire sensor and can generate electricity. How does it work? A HV system uses a nanoporous layer with a highly charged surface that can attract protons from the water. The attraction of positively charged protons with negatively charged nanostructure surfaces forms an electrical double layer .
HYDROVOLTAICS FIRESENSOR BATTERIES SUSTAINABLE ENERGY INNOVATION
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