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Mitsubishi Kakoki Kaisha

Demonstration Success in Compressing Hydrogen Using Hydrogen Storage Alloys Without Motor Drive

Mitsubishi Kakoki Kaisha (MKK), working with the Kobe Material Testing Laboratory, Nasu Denki-Tekko, Daitech, Hiroshima University and the Shikoku Industry & Technology Promotion Center, has developed and successfully demonstrated a hydrogen storage alloy compressor that can fill gas cylinders with hydrogen to a pressure of 19.6 MpaG, the pressure at which the hydrogen is normally transported in Japan, without motor drive. Toward the realization of a hydrogen society, MKK is engaged in the development of decarbonized hydrogen delivery systems. The company is seeking to commercialize hydrogen storage alloy compressors as a new addition to its hydrogen-related product lineup.


The working of the hydrogen storage alloy compressor
The compressor used in the demonstration testing

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