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Press ReleasePress Release 2020

World's Best Magnetocaloric Material for H2 Liquefaction discovered via Machine Learning

—A Step Forward for Enabling Efficient Hydrogen Liquefaction, Vital to the Development of a Hydrogen Society—

12 May, 2020
(12 May, 2020 Update)

Using machine learning, NIMS has discovered a world-class magnetocaloric material highly suitable for use in hydrogen liquefaction. The use of this material may help to reduce the cost of liquid hydrogen production, which is currently a major intervening factor for the realization of a hydrogen society.

(”Machine Learning Guided Discovery of Gigantic Magnetocaloric Effect in HoB2 Near Hydrogen Liquefaction Temperature” P. B. Castro et al.; Journal: NPG Asia Materials [May 12, 2020]; DOI : 10.1038/s41427-020-0214-y)

Figure 1. Magnetic refrigeration working principle



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