Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1998-01-20
2000-05-16
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429223, 4292316, H01M 438, H01M 452, H01M 1030
Patent
active
06063524&
ABSTRACT:
The object is to provide a hydrogen absorbing alloy suitable for the negative electrode of a Ni-hydrogen storage battery which is effective at low temperatures. The object can be attained by a LaNi.sub.5 type hydrogen absorbing alloy, wherein the content of Mg in the hydrogen absorbing alloy is 50 to 500 ppm, and it is represented by a general formula RNi.sub.a Co.sub.b Al.sub.c M.sub.d, wherein R comprises not less than 77 wt % La and 23 wt % or less of one or more metals other than La, Ni, Co, Al and M, M comprises at least one kind of metals selected from the group consisting of Fe, Cr, Cu and Mn, and a to d denote a positive number within a predetermined range. In addition, it is important to contain a small amount of Ti, Pb, oxygen, carbon and/or sulfur in said alloy.
Hamaya Noriaki
Kasashima Masaki
Shima Satoshi
Shinya Naofumi
Nuzzolillo Maria
Ruthkosky Mark
Shin-Etsu Chemical Co. , Ltd.
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