Wasserstoffabsorbierende Legierung, Verfahren zum Herstellung einer wasserstoffabsorbierenden Legierung und alkalische Sekundärbatterie

Provided is a hydrogen absorbing alloy superior to the MmNi5 system hydrogen absorbing alloy and the TiFe system hydrogen absorbing alloy that are widely put to practical use in both the capacity density per unit volume and the capacity density per unit weight. The hydrogen absorbing alloy of the pr...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIKAWA, REIJI, TAKENO, KAZUTA, SUZUKI, HIDEHARU, IRIE, SHUICHIRO
Format:	Patent
Sprache:	ger
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a hydrogen absorbing alloy superior to the MmNi5 system hydrogen absorbing alloy and the TiFe system hydrogen absorbing alloy that are widely put to practical use in both the capacity density per unit volume and the capacity density per unit weight. The hydrogen absorbing alloy of the present invention is also superior to the conventional TiMn2 system hydrogen absorbing alloy in the initial activation. The hydrogen absorbing alloy of the present invention is represented by a general formula AMx, where A is at least one element selected from IA group, IIA group, IIIB group, and IVB group of the periodic table, and M is at least one element selected from VB group, VIB group, VIIB group, VIIIB group, IB group, IIB group, IIIA group, IVA group and VA group of the periodic table, x meets the relationship of 2.7 < x < 3.8, and an average atomic radius r meets the relationship 1.36 ANGSTROM