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Tiny carbon nanotubes may play a significant role in binding atmospheric carbon dioxide

Research Assistants Ida Suontausta and Hieu Phung are preparing a process of molten salt electrolysis. Photo: Jonne Renvall/Tampere University.

Researchers at Tampere University have developed biocarbon-based materials with carbon-negative properties, holding potential for binding atmospheric carbon dioxide and contributing to sustainable electrification. In the "HYGCEL – Hydrogen and Carbon Value Chains in Green Electrification" project, researchers explore the use of hydrogen and carbon in sustainable energy systems, industry, and green transport. They aim to enhance carbon capture by converting carbon dioxide into solid carbon products, such as carbon nanotubes, through molten salt electrolysis. These materials have applications in batteries, lightweight materials for aircraft and wind turbines, and other industrial uses. The production process utilizes renewable energy sources and holds significant market potential for carbon capture and utilization.