Electricity Out of Thin Air
Scientists at the University of Massachusetts Amherst have unveiled a groundbreaking device that generates electricity from moisture in the air, potentially revolutionizing renewable energy and medical technology. The innovative device, known as the Air-gen, harnesses electrically conductive protein nanowires produced by the microbe Geobacter. By connecting electrodes to these nanowires, the Air-gen creates an electrical current from atmospheric water vapor.
According to Jun Yao, one of the lead researchers, the Air-gen offers a continuous source of clean energy, functioning even in extremely low humidity conditions like those found in deserts. Unlike solar and wind energy, the Air-gen operates indoors and without the need for sunlight or wind, making it a versatile and reliable energy source.
The Air-gen's core component is a thin film of protein nanowires, less than 10 microns thick, which absorbs water vapor from the atmosphere. The film's unique properties facilitate the generation of electrical current between two electrodes. Current models can power small electronics, and researchers aim to scale the technology for larger applications, including electronic wearables and potentially even wall paint that powers homes.
Future developments include creating small Air-gen patches for devices like smartwatches and fitness monitors, eliminating the need for traditional batteries. The research team is also working on scaling up production to make the Air-gen a viable solution for sustainable energy on a larger scale. This pioneering technology represents a significant step forward in renewable energy and the future of protein-based electronics.
Source: SciTech Daily
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