Secondary battery pouch
AssigneeSK Innovation Co., Ltd.
InventorsChang Mook HWANG, Sin Young MOON, Yoon Ji JO
Life of this patent
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Abstract
Embodiments provide a secondary battery pouch including a sealing portion formed at an outside of the secondary battery pouch constituting a battery cell and configured to seal an inner space of the secondary battery pouch. The sealing portion includes: a first fusion portion having a smallest thickness in the sealing portion; and a second fusion portion having a largest thickness in the sealing portion. The first fusion portion and the second fusion portion are continuously formed at least one time alternately in a direction from an innermost side of the sealing portion in contact with the inner space of the secondary battery pouch to an outer side of the sealing portion.
Claims10
A secondary battery pouch, comprising:
- a sealing portion formed at an outside of the secondary battery pouch constituting a battery cell and configured to seal an inner space of the secondary battery pouch,
- wherein the sealing portion comprises:
- a first fusion portion having a smallest thickness in the sealing portion;
- and
- a second fusion portion having a largest thickness in the sealing portion,
- wherein the first fusion portion and the second fusion portion are continuously formed at least one time alternately in a direction from an innermost side of the sealing portion in contact with the inner space of the secondary battery pouch to an outer side of the sealing portion.
Dependencies are inferred from the claim text.