Sealed cell using film outer casing body

Details Sealed cell using film outer casing body Sealed cell using film outer casing body

2008-05-27

2008-05-27

Alejandro, Raymond (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

C429S185000, C429S162000, C429S176000

Reexamination Certificate

active

07378183

ABSTRACT:
A sealed cell with a film outer casing body having a flat electrode body is prevented from short circuiting damage due to impacts. The flat electrode body has first and second electrodes and a separator therebetween, which are wound into a flat shape having first and second flat side surface R portions. The first electrode is the outermost surface of the electrode body. An insulation film is provided between the outermost portion of the first electrode and a portion of the second electrode immediately inside the outermost portion, and between the portion of the second electrode and another portion of the first electrode immediately inside the portion of the second electrode.

REFERENCES:
patent: 2003/0099880 (2003-05-01), Park et al.
patent: 2000-285902 (2000-10-01), None
patent: 2001-176463 (2001-06-01), None
patent: 2002-042881 (2002-08-01), None
patent: 2002-289257 (2002-10-01), None
patent: 2002-198098 (2002-12-01), None
patent: 2003-168417 (2003-06-01), None

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