RARE EARTH OXYSULFIDE COLD STORAGE MEDIUM

Provided is a cold storage material having a large thermal capacity in a ultra-low temperature range of 10 K or less and being highly durable against thermal shock and mechanical vibration. The cold storage material contains a rare earth oxysulfide ceramic represented by the general formula ROS (whe...

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Bibliographic Details
Main Authors NOZAWA, Hoshiteru, YANAGITANI, Takagimi
Format Patent
LanguageEnglish
French
German
Published 12.06.2019
Subjects
ADHESIVES
ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMISTRY
COMBINED HEATING AND REFRIGERATION SYSTEMS
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
CONCRETE
DYES
HEAT PUMP SYSTEMS
HEATING
INORGANIC CHEMISTRY
LIGHTING
LIME, MAGNESIA
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
REFRACTORIES
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
SLAG
TREATMENT OF NATURAL STONE
WEAPONS
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Summary:Provided is a cold storage material having a large thermal capacity in a ultra-low temperature range of 10 K or less and being highly durable against thermal shock and mechanical vibration. The cold storage material contains a rare earth oxysulfide ceramic represented by the general formula ROS (wherein R is one or more kinds of rare earth elements selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y), and AlOhaving a specific surface area of 0.3 m/g to 11 m/g is added to the cold storage material.
Bibliography:Application Number: EP20170836688