| abstract |
Disclosed are a hydrogen storage alloy which contains carbon in a proportion of from 30 to 500 ppm and is represented by the stoichiometric formula A x B 5.0 , wherein A is La or a mixture of La with at least one rare earth metal other than La, B is at least one metal selected from a group consisting of Al, Co, Cr, Cu, Fe, Mn, Ni, Ti, V, Zn and Zr, and x is a rational number in the range 0.95≦ x ≦ 1.00; and has a texture in which only the intermetallic compound phase named AB₅ phase is present and every other intermetallic compound phase is absent: and a method of producing said alloy and an electrode using the same. |