Samsung Sdi Co., Inc.

Un-Sick Park

Chang-Seob Kim

Ju-Hyung Kim

Young-Bae Song

Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a rechargeable lithium battery using the same. The negative active material composition includes a negative active material, an additive capable of forming a surface electrolyte interface film on a negative electrode during charge and discharge, a binder, and an organic solvent.

Negative active material composition for a rechargeable lithium battery, method of producing a negative electrode for a rechargeable lithium battery using the same, and rechargeable lithium battery fabricated using the same

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.

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Seongnam, South Korea

Un-Sick Park