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Breaking the energy barrier: The novel chemistry that could unlock Direct Air Capture at scale
Greenhouse gas removal cohort
Team: Steven Chu, Yi Cui, Arun Majumdar
Current methods of capturing CO2 require large amounts of energy to heat and cool chemical solutions. This team developed a new, more efficient process that uses electricity to change a liquid's acidity. This liquid captures CO₂ when it is alkaline and releases it when it becomes acidic. The new technique is designed to use about ten times less energy than today's standard methods.
Unlocking direct air capture.
Catheros is building a pilot facility to validate energy balance and economics. The project has the potential to remove CO2 continuously at the scale of billions of tons while reducing long-term material costs and increasing energy efficiency.