Cu-contained rare earth system AB5-type hydrogen storage alloy and preparation method thereof

Cu-contained rare earth system AB5-type hydrogen storage alloy and preparation method thereof

  • CN 102,703,764 A
  • Filed: 05/31/2012
  • Published: 10/03/2012
  • Est. Priority Date: 05/31/2012
  • Status: Active Application
First Claim
Patent Images

1. One kind to contain the Cu rare earth be AB 5Type hydrogen storage alloy is characterized in that its general formula is:

  • MlNi aCo bMn cAl dCu eIn the formula, a, b, c, d, e represent mol ratio, and its numerical range is;

    3.6<

    a≤

    4.1,0.15<

    b≤

    0.45,0.3<

    c≤

    0.5,0.05≤

    d<

    0.3,0.2<

    e≤

    0.7,5.1≤

    a+b+c+d+e≤

    5.3;

    Ml is by La and be selected from least a composition the in Ce, Pr, Nd, Sm, Gd, Dy, Y, the Zr element, and wherein the mass percentage content of La accounts for 40%~

    80% in Ml, and the corresponding La content in alloy by mass percentage accounts for 10%~

    26%.

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