Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

2011-07-26

2011-07-26

Ryan, Patrick (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C429S129000, C429S132000, C429S133000, C429S209000, C429S247000

Reexamination Certificate

active

07985498

ABSTRACT:
A lithium secondary battery that can improve safety of the battery. The lithium secondary battery comprises a jelly-roll type electrode assembly including first and second electrode plates having different polarities, and a separator interposed between the electrode plates. A porous ceramic film is coated on an active material of the first electrode plate, and the porous ceramic film is coated on one surface of an active material uncoated part of the first an outmost electrode plate and the porous ceramic film is not coated on another surface thereof.

REFERENCES:
patent: 5543247 (1996-08-01), Pulley et al.
patent: 7175937 (2007-02-01), Cho et al.
patent: 7604895 (2009-10-01), Kim et al.
patent: 2006-43934 (2006-05-01), None
patent: WO 94/19837 (1994-09-01), None

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