Battery and battery pack
AssigneeDongguan Amperex Technology Limited
InventorDaolin LIU
Life of this patent
Estimating the term…
Abstract
A cylindrical battery, including: a housing, an electrode assembly, a first current collecting disc, and a protection piece. The housing contains a first end portion. The electrode assembly is accommodated in the housing. The first current collecting disc is electrically connected to the electrode assembly in the housing. The first end portion contains several welding track configured to be connected to the first current collecting disc. The first end portion further contains a first surface oriented away from the first current collecting disc. On the first surface, the welding track are arranged away from a center of the first surface. The protection piece is sheathed around the housing, extends beyond the first surface, and covers the welding track. No welding track is arranged at the center of the first surface.
Claims20
A cylindrical battery, comprising:
- a housing, having a first end portion;
- an electrode assembly, accommodated in the housing;
- a first current collecting disc, wherein the first current collecting disc is electrically connected to the electrode assembly in the housing;
- at least one welding track is provided on the first end portion and the at least one welding track is configured to be connected to the first current collecting disc;
- the first end portion further comprises a first surface oriented away from the first current collecting disc;
- and, on the first surface, the at least one welding track is arranged at a first distance from a center of the first surface;
- and
- a protection piece, covering the welding tracks.
Dependencies are inferred from the claim text.