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US 12,749,777 B2Granted
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorHyun Ki Jung
Life of this patent
Estimating the term…
Abstract
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; and a current collector plate welded between the electrode assembly and the case or between the electrode assembly and the cap plate. The current collector plate has a slit therein.
Claims18
A secondary battery comprising:
- an electrode assembly;
- a case accommodating the electrode assembly;
- a cap plate sealing the case;
- and
- a current collector plate welded between the electrode assembly and the case or between the electrode assembly and the cap plate, the current collector plate having a slit therein forming an electrode welding portion partitioned by the slit, the electrode assembly being welded to the electrode welding portion of the current collector plate,
- wherein the electrode welding portion comprises a plurality of cantilevers and a center portion, and
- wherein the cantilever is coupled to the electrode assembly.
4 more elements
Dependencies are inferred from the claim text.