Pouch-Type Battery Cell and Pouch Wing Bending Device of Pouch-Type Battery Cell
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
Aug 22, 2022
filing date -
Aug 20, 2021
priority date (Note) -
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Abstract
The present invention relates to a pouch-type battery cell, a device for bending a pouch wing in the battery cell, and a method for bending a pouch wing in the battery cell, and specifically, relates to a pouch-type battery cell capable of improving insulation resistance performance of the battery cell by bending a pouch wing while heat-treating a sealing part of the pouch wing in the battery cell, thereby preventing and removing cracks in the sealing part, a device for bending a pouch wing in the battery cell, and a method for bending a pouch wing in the battery cell.
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