Nickel positive electrode for alkaline storage battery and sealed nickel-metal hydride storage battery

摘要

A nickel positive electrode for an alkaline storage battery having an improved utilization is disclosed. It comprises a nickel hydroxide powder and a cobalt hydroxide powder, wherein the cobalt hydroxide powder has a specific surface area of 10 m2/g or larger and a particle diameter of one-half or less of that of the nickel hydroxide powder. A nickel-metal hydroxide storage battery having this nickel positive electrode is also disclosed.