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A revolutionary new device has been created by researchers at the University of Cambridge, capable of capturing carbon dioxide from the atmosphere and transforming it into fuel, all powered by solar energy.
Although the idea of capturing carbon directly from the air isn’t entirely new, it has struggled with high costs and energy demands, particularly when dependent on fossil fuels. Professor Erwin Reisner, who heads the lab focusing on sustainable energy at Cambridge, emphasized that relying on Carbon Capture and Storage could inadvertently sustain the very fossil fuel usage that is a primary contributor to the climate crisis.
Taking inspiration from the natural process of photosynthesis found in plants, the research team has engineered a reactor that functions exclusively on solar energy. This innovative device captures carbon dioxide during the night using specialized filters and harnesses concentrated sunlight during the day to convert the captured gas into syngas, which is a key ingredient for producing liquid fuels.
The researchers have set ambitious goals to scale their invention, aiming to not only reduce CO2 levels in the atmosphere but also to offer a clean alternative to traditional fossil fuels. According to Dr. Sayan Kar, the lead author of the study, transforming CO2 from a detrimental byproduct into a valuable resource opens up remarkable opportunities for sustainable fuel production.
If this technology proves successful, it could significantly aid in the shift away from fossil fuels, paving the way for a circular and sustainable economy. The detailed findings regarding the reactor’s design and its functionalities have been published in Nature Energy.