High capacity and high performance Zr-based hydrogen storage alloy for secondary cells

摘要

A hydrogen storage alloy, represented by the following formula I which is suitable for use as an active anode material for ni-metal hydride secondary cells by virtue of its high discharge characteristics including, for example, a discharge capacity ranging from approximately 300 to 400 mAh/g and a rate capability of at least 80%;wherein, x, u, v, and z each represent an atom fraction under the condition of: 0