Patent · US Expired

Hydrogen storage alloys

US5389333A · kind A · utility

6Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1993
Grant dateFeb 14, 1995
Priority date
Expiry dateAug 31, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S420/90
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention discloses a hydrogen storage alloy having a formula of EQU Mm.sub.1-a M.sub.a Ni.sub.b Mn.sub.c Co.sub.d Al.sub.e X.sub.f wherein, Mm is misch metal mainly containing La, Ce, Pr, Nd and the balance amount of unavoidable impurities; M is titanium, zirconium or the mixture thereof; X is nitrogen, boron or the mixture thereof; and a is in the range of 0.01-0.2; b is in the range of 3.50-4.60; c is in the range of 0.20-0.60; d is in the range of 0.10-0.7; e is in the range of 0.1-0.5; f is in the range of 0.005-0.2; and b+c+d+e+f is in the range of 4.8-5.4.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.