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…