Secondary battery

Details Secondary battery Secondary battery

2004-10-22

2009-06-23

Rhee, Jane (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Adjuncts in combination with or for connection to an...

C429S163000, C429S175000

Reexamination Certificate

active

07550227

ABSTRACT:
A secondary battery pack. The secondary battery pack includes a bare cell including an electrode assembly having an anode, a cathode and a separator, a vessel-type can for receiving the electrode assembly and an electrolyte therein, and a cap assembly for covering an opening section of the can, a battery component connected to the bare cell, a molding resin section filled in a gap formed between the bare cell and the battery component so as to fixedly couple the bare cell with the battery component, and a protrusion provided in the bare cell while protruding toward the molding resin section from a boundary surface between the bare cell and the molding resin section. The protrusion is coupled with a holder. When the battery pack is made using molding resin, the battery pack is prevented from being deformed by external twist forces or external bending forces applied to the battery pack. Since the protrusion is formed on the cap plate and the holder is coupled with the protrusion, the battery pack is prevented from being twisted or bent by external forces applied to the battery pack.

REFERENCES:
patent: 6808844 (2004-10-01), Ehara
patent: 2003/0180582 (2003-09-01), Masumoto et al.
patent: 2002-0077175 (2002-10-01), None
Korean Patent Abstract for Korea Publication No. 1020020077175 A, dated Oct. 11, 2002.

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