Using less power than a lightbulb. 🌿 engineering
that can capture carbon dioxide at rates 100 times faster than existing systems, bringing us one step closer to the goal of engineering the process of photosynthesis by which plants convert sunlight, water, and carbon dioxide into energy.
The best part? Unlike other carbon capture technologies that use pure carbon dioxide from pressurized tanks in laboratories, this artificial leaf can operate in the real world. It removes carbon dioxide from much more diluted sources like air and flue gas from coal-fired power plants, according to the researchers, and releases it for use as fuel and many other materials.
And such a system could play an important role in our fight against global warming since increasing CO2 and other greenhouse gases reduce the Earth's ability to cool itself by radiating energy into space. "Our artificial leaf system can be deployed outside the lab, where it has the potential to play a significant role in reducing greenhouse gases in the atmosphere thanks to its high rate of carbon capture, relatively low cost, and moderate energy, even when compared to the best lab-based systems," explained corresponding author Meenesh Singh, assistant professor of chemical engineering in the UIC College of Engineering.
When they tested this system, they discovered that it had a very high flux rate of carbon capture compared to the surface area required for the reactions. At its optimum, it could capture 3.3 millimoles per hour for each four square centimeters of material, which is more than 100 times better than other systems, according to the study published in
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