Green hydrogen, power generation tech based on compressed air storage, solid-oxide electrolysis cells

Scientists in Korea have developed a compressed air storage system that can be used as a combined cooling, heat, and power system and provide heat and power to solid-oxide electrolysis cells for hydrogen generation. It showed an overall roundtrip efficiency of 121.2% and over-unity efficiencies in the range of 100% to 120%.Researchers from the Korea Institute of Machinery and Materials have proposed to combine adiabatic compressed air storage (A-CAES) and large scale solid-oxide electrolysis cells (SOEC) for the production of green hydrogen via excess power from wind and solar PV facilities. A-CAES ...

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