Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Reexamination Certificate
2005-05-03
2005-05-03
Maples, John S. (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Plural concentric or single coiled electrode
C429S129000, C429S247000, C429S122000
Reexamination Certificate
active
06887616
ABSTRACT:
An electrode unit and a secondary battery having the electrode unit include a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material, a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material, and a separator interposed between the first electrode plate and the second electrode plate, wherein an insulating separator having at least two folds is located between the first electrode uncoated portion and the second electrode uncoated portion.
REFERENCES:
patent: 3530001 (1970-09-01), Harivel
patent: 5486215 (1996-01-01), Kelm et al.
patent: 5508122 (1996-04-01), Narukawa et al.
patent: 6623884 (2003-09-01), Spillman et al.
patent: 08-339817 (1996-12-01), None
patent: 11-111327 (1999-04-01), None
patent: 2003-303624 (2003-10-01), None
Han Su-Jin
Kang Jun-Won
Kim Chang-Seob
Kim Ju-Hyung
Maeng Soo-Youn
Maples John S.
Samsung SDI & Co., Ltd.
Stein, McEwen & Bui LLP
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