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US 12,631,565 B2Granted
Secondary battery having lead film including luminous material and method of inspecting defects of secondary battery
AssigneeLG Energy Solution, Ltd.
InventorJo Yeon Hwang
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Abstract
A secondary battery includes an electrode assembly configured to have a structure in which a separator is interposed between a positive electrode and a negative electrode, a battery case having formed therein a receiving portion configured to receive the electrode assembly, electrode leads configured to protrude outwards from the battery case, and lead films attached to opposite surfaces of each of the electrode leads, wherein each of the lead films includes a luminous material.
Claims13
A secondary battery comprising:
- an electrode assembly configured to have a structure in which a separator is interposed between a positive electrode and a negative electrode;
- a battery case having formed therein a receiving portion configured to receive the electrode assembly;
- electrode leads configured to protrude outwards from the battery case;
- and
- lead films attached to opposite surfaces of each of the electrode leads,
- wherein each of the lead films comprises two or more luminous materials configured to emit different colors of light.
3 more elements
Dependencies are inferred from the claim text.