Terminal for sealed battery and manufacturing method therefor
DRIVE
April 25, 2012
A negative electrode terminal includes an outer terminal (30) of a solid flat rivet shape and an inner terminal (27) of a hollow flat rivet shape. A hollow axle portion (26) of the inner terminal is inserted in a first insulating member (31), an opening (15a) of a sealing plate (15), and a second insulating member (32) so as to be insulated from the sealing plate. A columnar axle portion (29) of the outer terminal is inserted into the hollow axle portion of the inner terminal and crimped thereto, so that a radially bulge-deformed portion is formed in an intermediate portion of the columnar axle portion. The hollow axle portion deforms into a shape matching the radially bulge-deformed portion and is crimped to the columnar axle portion, and its tip is curling-formed to match a curved surface between a brim portion and the columnar axle portion of the outer terminal.
Discussion in the ATmosphere