Terminal assembly for a secondary cell
AssigneeNorthvolt AB
InventorMichael KOMA
Life of this patent
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Abstract
There is disclosed herein a terminal assembly for a cylindrical secondary cell comprising a hollow shaft having an axial through-hole, configured to extend axially through an opening in a casing of the secondary cell to electrically contact a current collecting plate of the secondary cell at a first end of the hollow shaft, and a cap arranged at a second end of the shaft, configured to close and seal the axial through-hole. There is further disclosed herein a cylindrical secondary cell comprising the terminFal assembly and a method of manufacturing the cylindrical secondary cell.
Claims15
1-13. (canceled)
A terminal assembly (100) for a cylindrical secondary cell comprising:
- a hollow shaft (101) having an axial through-hole (102), configured to extend axially through an opening (1060) in a casing (106) of the secondary cell such that a first end (103a) of the hollow shaft extends into the casing, wherein the first end of the hollow shaft is welded to a current collector or wherein the first end of the hollow shaft comprises an integrally formed current collecting part;
- and
- a cap (104) welded to a second end (103b) of the shaft, configured to close and seal the axial through-hole.
Dependencies are inferred from the claim text.