Secondary cells

Details Secondary cells Secondary cells

H - Electricity

01

M

H01M 2/30 (2006.01) H01M 2/06 (2006.01) H01M 10/02 (2006.01)

Patent

CA 2358087

In a secondary cell comprising an electrode unit 2 enclosed in a cell can 1 and adapted to deliver electric power generated by the electrode unit via electrode terminal assemblies 4, each electrode terminal assembly 4 comprises an electrode terminal member 5 extending through a center hole in a lid 12 of the can 1, an insulating seal member 6 provided in the center hole of the lid 12 around a screw shank 52 of the electrode terminal member 5, and a nut 7 screwed on the screw shank 52 of the electrode terminal member 5 projecting outward from can 1. The insulating seal member 6 is in engagement with the can 1 and the flange 51 of the electrode terminal member 5 and nonrotatable relative to the cell can and the flange, whereby the electrode terminal member 5 is prevented from rotating with the nut when the electrode terminal assembly 4 is fixed to the lid 12.

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