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AssigneesChubu Electric Power Miraiz Co., Inc., Chubu Electric Power Co., Inc., National University Corporation Tokai National Higher Education and Research System
InventorsAkihiro TAKEUCHI, Hideki KITA, Seiji YAMASHITA
Estimating the term…
A ceramic heat storage body includes a shell that contains alumina as a main component and has an average absorbance larger than 0.3 at 1.7 μm to 2.7 μm, which is a center wavelength of radiant heat at 800° C. to 1400° C. In addition to alumina, the shell contains oxides containing Cr, Fe, Mn, and Co in an amount of 1 weight % or more in compound equivalent. Furthermore, the shell is a shell that has an outer surface in a shape of a spheroid including a sphere and internally has a hollow portion. Moreover, in the shell, during heat storage, a center temperature of a hollow portion is higher than an inner surface temperature of the shell.
A ceramic heat storage body comprising alumina as a main component and having an average absorbance larger than 0.3 at 1.7 μm to 2.7 μm as a center wavelength of radiant heat at 800° C. to 1400° C.
A manufacturing method of a ceramic heat storage body, comprising:
A composition estimating method of a ceramic heat storage body in the ceramic heat storage body containing alumina as a main component and further containing one or more compounds other than alumina, the composition estimating method for estimating a composition pertaining to an amount of the alumina and a type and an amount of the compound, the composition estimating method comprising:
Dependencies are inferred from the claim text.