ELECTRODE PLATE FOR SECONDARY CELL, AND SECONDARY CELL USING SAME

The present invention provides a secondary cell having high reliability. A positive electrode plate for a secondary cell having a positive electrode core body made of metal, and a positive electrode active material layer formed on both surfaces of the positive electrode core body, wherein the positive electrode plate has a first edge side of the positive electrode core body, and in the positive electrode tab, the thickness of the end of the positive electrode core body near the first edge side is less than the thickness of the end of the positive electrode core body in the first edge side.