Secondary Battery, Method For Manufacturing The Secondary Battery, And Battery Module Including The Secondary Battery
AssigneeLG Energy Solution, Ltd.
InventorJae Chan Lee
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Abstract
A secondary battery includes: a plurality of temperature sensing units that is in close contact with an exterior and senses a temperature of respective areas of the exterior; and an insulating film defining an outer surface of the exterior and having electrical insulation, wherein one or more of the plurality of temperature sensing units include: a positive temperature coefficient element; and a negative temperature coefficient element, and the plurality of temperature sensing units are covered by the insulating film. A method for manufacturing the secondary battery, and a battery module are also provided.
Claims13
A secondary battery comprising:
- an electrode assembly;
- a sheet-like exterior configured to accommodate the electrode assembly;
- and
- a plurality of temperature sensing units provided to be inserted into the exterior and each configured to sense a temperature of a respective area of the exterior, wherein the exterior comprises:
- an inner body part configured to define an inner body of the exterior;
- an insulating film attached on the inner body part to define an outer surface of the exterior, the insulating film having electrical insulation,
- wherein one or more of the plurality of temperature sensing units comprise:
- a positive temperature coefficient element;
- and
- a negative temperature coefficient element,
- wherein the plurality of temperature sensing units are attached to the inner body part, and the plurality of temperature sensing units are covered by the insulating film.
A method for manufacturing a secondary battery, the method comprising:
- an inner body part preparation step of preparing an inner body part forming an inner body of a sheet-like exterior;
- a sensing unit disposition step of disposing a plurality of temperature sensing units on the inner body part;
- and
- a film attachment step of attaching an insulating film on the inner body part to cover the plurality of temperature sensing units while wrapping circumferences of the plurality of temperature sensing units.
Dependencies are inferred from the claim text.