SKKU researchers develop catalyst converting CO2 to 2-propanol at world-record efficiency
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A research team at Sungkyunkwan University (SKKU) has developed a catalyst that directly converts CO2 into 2-propanol at room temperature and ambient pressure with world-record efficiency. The breakthrough, published in Applied Catalysis B: Environment and Energy, is expected to accelerate commercialization of green technologies that recycle waste CO2 into valuable industrial chemicals.
Bifurcated Reaction Pathways
Led by Professor Jung Kyu Kim from SKKU's School of Chemical Engineering, the team engineered a Ce(OH)x/Ni2P catalyst that precisely controls electron flow to establish two simultaneous reaction pathways. These pathways guide carbon atoms to bond with high selectivity, producing 2-propanol — a complex alcohol used in semiconductor cleaning and disinfectants. The design represents a new strategy where distinct chemical routes operate cooperatively on a single catalyst surface.
Record Efficiency and Durability
The catalyst achieved world-record efficiency for 2-propanol synthesis at ambient conditions, avoiding the need for costly high-pressure equipment. It demonstrated stable performance over 48 hours of continuous operation without degradation. Professor Kim stated the breakthrough will significantly accelerate the commercialization of technologies that transform waste CO2 into industrial raw materials.
What's Next
The research team plans to optimize the catalyst for industrial-scale CO2 electrolysis. It remains unclear how the catalyst will perform under real-world flue gas conditions containing contaminants.
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SKKU researchers develop catalyst converting CO2 to 2-propanol at world-record efficiency
