Publication number: 20210408535
Abstract: A hydrogen storage alloy suitable for a negative electrode of an on-board alkaline storage battery, and an alkaline storage battery using the alloy, which has an AB3-type crystal structure as a main phase, represented by: (SmxLayRz)1?a?bMgaTbNicCodMe. (R is selected from Pr, Nd; T is selected from Ti, Zr, Hf; M is selected from V, Nb, Ta, Cr, Mo, W, Mn, Fe, Cu, Al, Si, P, B; the following conditions are met: 0<x<1.0, 0<y<1.0, 0.8?x+y?1.0, x+y+z=1.0; 0.93?(x?y)·(1?a?b)+4.5(a+b)?1.62, 0<a?0.45, 0?b?0.05, 0?d?0.7, 0?e?0.15, 2.85?c+d+e?3.15 and 0.01?d+e).
Type:
Application
Filed:
October 1, 2019
Publication date:
December 30, 2021
Applicants:
JAPAN METALS AND CHEMICALS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventors:
Takao SAWA, Saki NOTOYAMA, Naoyoshi TERASHITA, Katsuyuki KUDO, Makio KON, Masashi KODAMA, Hiroshi NISHIYAMA