A cylindrical battery which is one example of an embodiment of the present invention comprises, as an electrode plate, an electrode that includes a positive electrode plate and a negative electrode plate. The electrode plate includes: a core; a mix layer w...

A nickel electrode for an alkaline storage battery employed as a positive electrode of an alkaline storage battery is formed by filling an active material into pore of a porous sintered substrate wherein said active material is formed by adhering niobic ac...