Secondary battery with excellent productivity and safety
AssigneeLG Chem, Ltd.
InventorsDo Gyun KIM, Dong-Myung KIM, Dong Sub LEE, Sang Bong NAM, Sang Sok JUNG
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Abstract
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case and a plate-shaped insulator is mounted on top of the jelly-roll, wherein the insulator has a porous structure in which a plurality of fine pores communicate in a longitudinal direction, or in traverse and longitudinal directions.
Claims10
A secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case and a plate-shaped insulator is mounted on top of the jelly-roll,
- wherein the insulator has a porous structure in which a plurality of fine pores communicate in a longitudinal direction, or in traverse and longitudinal directions.
Dependencies are inferred from the claim text.