Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 23, 2010
Patent Application Number
11046339
Date Filed
January 27, 2005
Patent Primary Examiner
Patent abstract
A can type secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate, a can for receiving the electrode assembly therein, and a cap assembly coupled to an opening section of the can. A cap plate is formed with an electrolyte injection hole and a soft aluminum plug welded to the electrolyte injection hole so as to seal the electrolyte injection hole.
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