Terminal rivet for a secondary cell
Реферат: There is disclosed herein a terminal assembly for a cylindrical secondary cell. In the terminal assembly, there is a rivet provided with an external portion configured to close an opening in a casing of the cylindrical cell and to be arranged substantially on the outside of the casing, and an internal portion configured to provide a direct electrical connection between an electrode roll in the secondary cell and the external portion. On the he internal portion there is a shaft configured to extend axially through the casing of the secondary cell from the external portion, and a current collecting portion joined to the shaft, configured to be in direct electrical contact with the electrode roll in the secondary cell, to thereby function as a current collecting plate in the secondary cell. Also disclosed is a cylindrical secondary cell and a method for manufacturing a cylindrical secondary cell.
Terminal rivet assembly for a battery cell
Номер патента: SE2350972A1. Автор: Martin Franzen,Dennis Bein,Josefine Larsen. Владелец: Northvolt AB. Дата публикации: 2023-09-18.