Patent ID: 7029797

Claim:
An electrode plate for an alkaline storage battery comprising a conductive core material as a current collector, wherein a plurality of through-holes with radius cut corners are linearly provided in the core material so as to be parallel to a longitudinal direction of the core material, wherein the through-holes are rectangular in shape with a longer side parallel to the longitudinal direction of the core material, rows of through-holes are provided along the longitudinal direction adjacent to one-another in a transverse direction of the core material, a space between the through-holes in the longitudinal direction is larger than a space between the adjacent through-holes in the transverse direction, the through-holes adjacent to one-another in the transverse direction of the core material are staggered with respect to one another in the longitudinal direction of the core material, and each through-hole having an aperture area of 10 mm 2 or less and two pairs of opposite sides parallel to each other.