Electrocatalytic CO2 reduction is critical for a net-zero-emission society, yet existing low-temperature technologies struggle with low energy efficiency and short catalyst lifetimes. Current systems have efficiency below 35% and lifetimes of under 100 hours at necessary current densities. High-temperature CO2 electroreduction (600-1,000°C) in solid oxide electrolysis cells (SOEC) is a promising alternative, achieving over 50% energy efficiency with complete selectivity for CO. However, current catalysts face limitations due to agglomeration and instability, necessitating advancements in catalyst design and performance optimization strategies.
Electrocatalytic CO2 reduction is crucial for achieving a net-zero-emission society, with low-temperature methods facing significant efficiency and longevity challenges.
High-temperature CO2 electroreduction in solid oxide electrolysis cells offers an alternative, achieving over 50% energy efficiency, potentially addressing existing efficiency problems.
#co2-reduction #electrocatalysis #energy-efficiency #high-temperature-electroreduction #carbon-utilization
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