BATTERY CAN-FORMING PLATE AND BATTERY CAN

摘要

A metal sheet to be used as an electrode substrate of a battery comprising a porous metal base sheet or a solid metal base sheet which is deformed upward and downward at predetermined intervals with respect to a reference plane to form a plurality of upward and downward projections conic, quadrangular pyramidal or wave-shaped having a large number of pores positioned on faces thereof. An active substance is filled into spaces surrounded with the upward and downward projections and held by the upward and downward projections.