Battery unit and secondary battery employing the same

Details Battery unit and secondary battery employing the same Battery unit and secondary battery employing the same

2006-04-25

2006-04-25

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S246000, C429S233000, C429S234000, C429S237000, C429S244000, C429S178000, C429S181000, C429S146000

Reexamination Certificate

active

07033697

ABSTRACT:
A battery unit for a secondary battery that includes a positive electrode plate, a positive electrode tab, a negative electrode plate, a negative electrode tab, a separator, and short circuit preventing units, wherein the short circuit preventing units are formed on corresponding uncoated areas of the positive and negative electrode current collectors where the positive and negative electrode sheets are not formed, each short circuit preventing unit having a corresponding width greater than a width of the corresponding positive and negative electrode current collectors.

REFERENCES:
patent: 6251537 (2001-06-01), Kim et al.
patent: 09-288996 (1997-11-01), None
patent: 2000-173657 (2000-06-01), None
patent: 2000-188115 (2000-07-01), None
patent: WO 97/08762 (1997-03-01), None

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