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Japan’s Green Growth Strategy positions hydrogen as a key energy carrier, targeting large-scale demand growth and cost reduction. Among hydrogen carriers, liquid hydrogen offers high volumetric efficiency but requires energy-intensive cryogenic cooling. Magnetic refrigeration based on the magnetocaloric effect can significantly improve liquefaction efficiency. This talk presents AMR-based hydrogen liquefaction developed under the JST Mirai Project, covering the world’s first AMR liquefaction experiment (POC1) and a permanent-magnet-based re-condensation system with newly developed magnets (POC2).

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Keyword: hydrogen, magnetic refrigeration

Conference: Breakthrough Energy Fellows Workshop (2025-01-15 - 2025-01-16)

Funding:

• JST JPMJMI18A3 (JST未来社会創造事業大規模プロジェクト型)

Manuscript type: Not a journal article

MDR DOI: https://doi.org/10.48505/nims.6144

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Updated at: 2026-01-19 11:56:34 +0900

Published on MDR: 2026-01-19 16:22:43 +0900