Crack-Prevention Sealing Block for Pouch-Shaped Secondary Batteries, Pouch-Shaped Battery Case Manufactured Using the Same, and Method of Sealing Pouch-Shaped Battery Case
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United States of America
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Issued Date -
Feb 27, 2020
app pub date -
Nov 4, 2019
filing date -
Nov 4, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A sealing block for sealing a pouch-shaped secondary battery includes a main body unit for sealing at least a part of an outer edge of a battery case from which an electrode terminal protrudes by applying heat and/or pressure thereto and a wrinkle prevention unit coupled perpendicularly to one surface of the main body unit, the wrinkle prevention unit including a curved structure that corresponds to a rounded corner of an electrode assembly reception unit of the battery case, wherein the wrinkle prevention unit further includes an extension portion for connecting the curved structure of the wrinkle prevention unit to the main body unit. Sealing may be performed when the wrinkle prevention unit is adjacent to the electrode assembly reception unit via the extension portion.
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