Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2011-06-28
2011-06-28
Yuan, Dah-Wei (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S094000, C429S175000, C429S174000
Reexamination Certificate
active
07968228
ABSTRACT:
A secondary battery including an electrode assembly having a positive electrode plate, a negative electrode plate and a separator being wound together, a can for receiving the electrode assembly; the can having an opening. A cap assembly includes a cap plate having an electrolyte injection hole, the cap assembly sealing the opening of the can. A lead plate is welded to an exterior-facing surface of the cap plate so as to cover the electrolyte injection hole and a protection circuit board is electrically coupled to the cap assembly. At least one positioning member is located to be aligned with at least one edge of the lead plate, the at least one positioning member defining a region for receiving the lead plate.
REFERENCES:
patent: 2005/0014064 (2005-01-01), Matsubara
patent: 2005/0106454 (2005-05-01), Kozu et al.
patent: 2006/0127756 (2006-06-01), Seo
patent: 2006/0210870 (2006-09-01), Moon et al.
patent: 1508891 (2004-06-01), None
Jung Sangsok
Kim Kwangchun
Park Jeongman
Christie Parker & Hale LLP
Martin Angela J.
Samsung SDI & Co., Ltd.
Yuan Dah-Wei
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