Rechargeable battery

Details Rechargeable battery Rechargeable battery

2009-02-03

2010-12-07

Alejandro, Raymond (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

C429S163000

Reexamination Certificate

active

07846578

ABSTRACT:
A rechargeable battery including an electrode assembly, a case, a cap assembly, and a core. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case has a space for housing the electrode assembly. The cap assembly is connected to the case and electrically connected to the electrode assembly. The core is disposed inside the electrode assembly, and has a distance between the exterior and the center thereof at one end in a length direction that is greater than a distance between the exterior and the center thereof at the center in the length direction.

REFERENCES:
patent: 2007/0269711 (2007-11-01), Meguro et al.
patent: 2008/0241646 (2008-10-01), Sawa et al.
patent: 08273697 (1996-10-01), None
patent: 11204140 (1999-07-01), None
patent: 2000251875 (2000-09-01), None
patent: 2007006528 (2007-03-01), None
patent: 10-2007-0084079 (2007-08-01), None
patent: 1020070090499 (2007-09-01), None
Korean Notice of Allowance dated Jun. 28, 2010, issued in corresponding Korean Patent Application No. 10-2008-0042399.

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