RE-Fe-B hydrogen occluding alloy

RE-Fe-B hydrogen occluding alloy

  • CN 101,407,883 A
  • Filed: 11/21/2008
  • Published: 04/15/2009
  • Est. Priority Date: 11/21/2008
  • Status: Active Application
First Claim
Patent Images

1. , a kind of RE-Fe-B base hydrogen storage alloy comprises RE 2Fe 14B, RE 2FeB 3, RE 2Fe 23B 3, RE 5Fe 2B 6, RE 5Fe 18B 18, RE 8Fe 27B 24, RE 8Fe 86B 6, RE 15Fe 77B 8, RE 17Fe 76B 7Or RE 19Fe 68B 68The type chemical constitution formula, it is characterized in that:

  • the RE in the chemical constitution formula can be one or more in rare-earth elements of lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), scandium (Sc) or the yttrium (Y), and, RE can by in the periodic table of chemical element can with all or part of replacement of one or more elements in the magnesium (Mg) of hydrogen evolution hydride, calcium (Ca), zirconium (Zr), titanium (Ti), vanadium (V) element;

    Fe (iron) can be by all or part of replacement of one or more elements in the transition metal nickel (Ni) in the periodic table of chemical element, manganese (Mn), aluminium (Al), cobalt (Co), copper (Cu), zirconium (Zr), titanium (Ti), vanadium (V), zinc (Zn), chromium (Cr), tungsten (W) and nontransition metal element gallium (Ga), tin (Sn), plumbous (Pb) element;

    B (boron) can be by all or part of replacement of one or more elements in metallic elements of ferrum (Fe), nickel (Ni), manganese (Mn), aluminium (Al), cobalt (Co), copper (Cu), zirconium (Zr), titanium (Ti), vanadium (V), zinc (Zn), chromium (Cr), tungsten (W), gallium (Ga), tin (Sn), plumbous (Pb) and non-metallic element silicon (Si), sulphur (S), carbon (C), phosphorus (P) element, and each atoms of elements was than adjusting in 50% scope during described RE-Fe-B base hydrogen storage alloy was formed.

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