Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dae-Kyu Kim0
Date of Patent
March 19, 2013
0Patent Application Number
122078360
Date Filed
September 10, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A cap assembly and a secondary battery using the cap assembly, the cap assembly including: a cap-up having a groove; a PTC thermistor disposed in the groove; and inner components disposed below the cap-up. The inner components can include a vent disposed under the cap-up; a cap-down disposed under the vent; a sub-plate disposed under the cap-down; and an insulating vent disposed between the vent and the cap-down The secondary battery includes: an electrode assembly; a can containing the electrode assembly, having an opening at one side; and the cap assembly to seal the opening of the can.
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