Patents Examined by Margerg S. Phipps
  • Rare earth metal-series alloys for storage of hydrogen
    Patent number: 5085944
    Abstract: A rare-earth metal series alloy for storage of hydrogen is represented by a general formula of Rem.sub.1 Ni.sub.w Al.sub.x Fe.sub.y M.sub.z as an atomic ratio (wherein Rem is at least one rare earth element such as Mischmetal, M is at least one of Cu, Nb, Si and Zr, and 2.5<w<5.5, 0<x<2.0, 0<y<2.0, 0<z<2.0 and 4.0.ltoreq.w+x+y+z.ltoreq.6.0). Further, the alloy is coated with a film of at least one of Pd, Cu and Ni having a thickness of 100-1000 .ANG..
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: February 4, 1992
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Kazuo Ebato, Keiji Tamura