| abstract |
The present invention relates to a battery cell in which an outer periphery of a battery case is sealed by heat fusion with an electrode assembly mounted on a battery case of a laminate sheet together with an electrolyte solution, wherein a pair of electrode leads of the electrode assembly protrude outward from the battery case Wherein each of the electrode leads is provided with an insulating member, and the insulating member is added to an area of 60% or more of the total area of the electrode leads protruding outward. |