HYDROGEN STORAGE ALLOY AND METHOD FOR PRODUCING THE SAME

To provide a hydrogen storage alloy which enables cost reduction without significantly reducing hydrogen storage amount compared to conventional technologies.SOLUTION: There is provided a hydrogen storage alloy which comprises 15 to 30 mass% of La, 5 to 15 mass% of Ce, 0 to 0.05 mass% of Pr, 0.01 to 0.15 mass% of Nd, 0 to 0.05 mass% of Sm, 5 to 15 mass% of Co, 2 to 8 mass% of Mn, 0 to 0.05 mass% of Al, 0 mass% or more and less than 3.00 mass% of Fe, 0 mass% or more and less than 3.00 of Cu, 0 mass% or more and less than 3.00 mass% of P, 0 mass% or more and less than 3.00 mass of C and the remainder of Ni and inevitable impurities and satisfies the following expressions (1) and (2). 4.5