South Korea’s Korea Institute of Machinery and Materials (KIMM) has developed and demonstrated the nation’s first 20kW-class anode-supported solid oxide electrolysis cell (SOEC) system…
South Korea’s Korea Institute of Machinery and Materials (KIMM) has developed and demonstrated the nation’s first 20kW-class anode-supported solid oxide electrolysis cell (SOEC) system, completing more than 3,000 hours of stable, continuous operation with electrical efficiency above 83%.
The project marks a breakthrough for large-scale, low-cost clean hydrogen production, with strong potential applications in energy-intensive industries such as steelmaking, chemicals, and maritime.
By using external industrial waste heat at around 200°C to generate steam, KIMM’s system reduced electricity demand by more than 10% and cut hydrogen production costs by 25% compared with conventional alkaline and PEM electrolysis systems. The SOEC produces 6Nm³ of hydrogen per hour while consuming about 15% less electricity than existing technologies.
“This is the first time in Korea that anode-supported SOEC technology, once limited to lab research, has been validated at the full system level,” said Dr. Young Sang Kim,
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