LOW-COST AB5-BASED HYDROGEN STORAGE ALLOY AND MANUFACTURING METHOD THEREFOR

摘要

The present invention relates to an AB5-based hydrogen storage alloy and a manufacturing method therefor and, more specifically, to an AB5-based hydrogen storage alloy comprising: a metal group (A) including lanthanum (La), cerium (Ce), neodymium (Nd) and praseodymium (Pr); and a metal group (B) including nickel (Ni), cobalt (Co), manganese (Mn) and aluminum (Al), wherein the content of Nd and Co is 0.01 wt.% or less.