Cap assembly for secondary battery
AssigneeSamsung Display Devices Co., Ltd.
InventorSang-Kwon Nam
Life of this patent
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Abstract
A cap assembly for a secondary battery having a cap containing an electrolyte and an electrode assembly. The cap assembly is mounted on an upper end of the can with a gasket disposed between the cap assembly and the can. The cap assembly includes a cap cover, a current collector disposed under the cap cover, a cap plate disposed under the current collector, a circuit break disk welded on the cap plate, and an insulator disposed between the cap plate and the circuit break disk. The cap plate is provided with a safety groove and a indented projection outside the safety groove. The projection is tightly disposed between the gasket and the insulator so as to fixedly support the insulator.
Claims3
A cap assembly for a secondary battery having a can containing an electrolyte and an electrode assembly, the cap assembly mounted on the upper end of the can with a gasket disposed between the cap assembly and the can, comprising:
- a cap cover;
- a current collector disposed under the cap cover;
- a cap plate disposed under the current collector;
- a circuit break disk welded on the cap plate;
- and
- an insulator disposed between the cap plate and the circuit break disk;
- wherein the cap plate is provided with an indented projection at a predetermine area to fixedly support the insulator.
Dependencies are inferred from the claim text.