HEAT STORAGE MATERIAL

An object is to sufficiently lower the melting point of a heat storage material that includes sodium acetate trihydrate as a main component and to sufficiently narrow the range of a melting peak while ensuring a sufficient heat storage density. A heat storage material contains sodium acetate trihydr...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI, Shoji, MATSUDA, Hideki, FUJINAGA, Yushi, SORAZAWA, Mitsumasa, SAKATA, Takayuki
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	An object is to sufficiently lower the melting point of a heat storage material that includes sodium acetate trihydrate as a main component and to sufficiently narrow the range of a melting peak while ensuring a sufficient heat storage density. A heat storage material contains sodium acetate trihydrate that serves as a main component 21 and a melting point adjuster that is any one of potassium nitrate, potassium chloride or sodium nitrate. The content of the melting point adjuster in the heat storage material is equal to or greater than 10% by weight. The present inventors have confirmed that by setting the content of the melting point adjuster to be equal to or greater than 10% by weight, the range of a melting peak serving as a melting temperature range can be sufficiently narrowed.