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US 6,472,096 B2Granted
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsUn-Sick Park, Young-Bae Song
Life of this patent
Estimating the term…
Abstract
A secondary battery includes a can into which an electrode assembly is inserted, a cap assembly mounted to an opening of the can; and an electolyte injection hole formed on at least one of the can and cap assembly, and safety member to close the electolyte injection hole. The electolyte injection hole is formed on a negative portion of the cap assembly. The safety member is inserted into and welded on the electolyte injection hole.
Claims11
A secondary battery, comprising:
- a can;
- a cap assembly on an end of the can;
- an electrolyte injection hole formed on the can;
- and
- a safety member to close the electrolyte injection hole, the safety member for reducing an internal pressure in the can once the internal pressure exceeds a predetermined level.
2 more elements
A secondary battery, comprising:
- a can;
- a cap assembly on an end of the can;
- an electrolyte injection hole formed on the can;
- and
- a safety member to close the electrolyte injection hole, the safety member being made of a material selected from the group consisting of aluminum, nickel, stainless steel, and nickel gilding steel plate.
2 more elements
A secondary battery, comprising:
- a can;
- a cap assembly on an end of the can;
- an electolyte injection hole formed on the can;
- and
- a safety member to close the electrolyte injection hole, the safety member being designed to be broken by battery pressure of about 10 to 30 kgf/cm2.
2 more elements
A secondary battery, comprising:
- a can;
- a cap assembly on an end of the can;
- an electrolyte injection hole formed on the can;
- and
- a safety member to close the electrolyte injection hole, the safety member being provided with a plurality of grooves.
2 more elements
Dependencies are inferred from the claim text.