Developed photoelectric electrode for the production of renewable fuels from carbon dioxide and water
Researchers have developed an effective system that traps carbon dioxide and moisture from the air, and then converts them into chemical fuel through sunlight.
Many scientists around the world are looking for optimal ways to reduce greenhouse gas levels and new sources of renewable energy. A team from Linkoping University decided to combine these two areas to create a system that mimics the photosynthesis of plants, but instead of glucose, it produces methane, ethanol or methanol from the same components.
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For this, the researchers created a photoelectric electrode based on cubic silicon carbide with graphene coating. The first component captures solar energy well and generates a charge, and the two-dimensional material acts as a transparent conductive layer, protecting the base from destruction.
By combining this platform with cathodes of various metals, for example, copper, zinc or bismuth, it is possible to increase the conversion efficiency and control the properties of the photoelectrode to obtain the necessary chemical compounds from СО2 and Н2О under the influence of light. This will not only reduce air pollution, but also produce renewable fuels or nutrients for further processing.
However, this is not the first such development, and earlier we already talked about a similar technology for the synthesis of propane.
, Linköping University