Hydrogen storage alloys
US5389333A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1993 |
| Grant date | Feb 14, 1995 |
| Priority date | — |
| Expiry date | Aug 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.