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Solar device makes 20L drinking water a day from seawater with 93% efficiency | The new device converts 93% of sunlight into usable energy, producing 20 liters of fresh water per square meter daily, significantly improving upon traditional desalination methods.
University of Waterloo researchers have developed a solar-powered device that turns seawater into drinking water using a nature-inspired, energy-efficient process.
PhD students Eva Wang and Weinan Zhao, who are part of the research team, designed the device using nickel foam coated with a conductive polymer and thermoresponsive pollen particles. “The system we’ve engineered induces water to evaporate, transports it to the surface, and condenses it in a closed cycle, effectively preventing the accumulation of salt that reduces the efficiency of the device,” Dr Tam elaborates in the press release. “This new device is not only efficient but also portable, making it ideal for use in remote regions where access to fresh water is limited,” Dr Yuning Li, another professor from Waterloo’s Department of Chemical Engineering, in the press release.
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