Cylindrical rechargeable battery and method of forming the same

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

Reexamination Certificate

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Details

C429S166000, C429S211000, C429S170000

Reexamination Certificate

active

07871724

ABSTRACT:
A rechargeable battery and a method of forming the rechargeable battery. An electrode assembly includes a first electrode and a second electrode, and a separator disposed between the first electrode and the second electrode to prevent a short circuit between the first electrode and the second electrode. A first electrode tap is formed on an end portion of the first electrode and a second electrode tap is formed on an end portion of a second electrode, each end portion being absent active materials. A can is adapted to receive the electrode assembly and have the electrode assembly welded to an inner side of the can. A cap assembly surrounded by a gasket insulates the cap assembly and seals an opening of the can.

REFERENCES:
patent: 2002/0094477 (2002-07-01), Sasaki et al.
patent: 2005/0191551 (2005-09-01), Tsujimoto et al.
patent: 2006/0172190 (2006-08-01), Kaplin et al.
patent: 48-4844 (1973-02-01), None
patent: 50-110038 (1975-08-01), None
patent: 52-167530 (1977-12-01), None
patent: 4-116360 (1992-10-01), None
patent: 2000-58024 (2000-02-01), None
patent: 2001-135299 (2001-05-01), None
patent: 2004-071335 (2004-03-01), None
Patent Abstracts of Japan, Publication No. 2001-135299, dated May 18, 2001, in the name of Takami Saito.
Patent Abstracts of Japan, Publication No. 2000-058024, dated Feb. 25, 2000, in the name of Koichi Nishiyama et al.

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