WINDING MEMBER AND SECONDARY BATTERY
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United States of America Patent
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Issued Date -
May 2, 2024
app pub date -
Oct 5, 2023
filing date -
Nov 1, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A winding member, including a winding core for an electrode assembly, winding a positive electrode plate, a negative electrode plate, and a first separator, the winding core including a pair of clamps extending along a longitudinal direction of the winding core a base portion coupled to a first and second end of each of the clamps the clamps being spaced apart from each other vertically around an insertion groove, the clamps including a first clamp and a second clamp extending along the longitudinal direction the first clamp including a pair of protrusions protruding in the direction of the second clamp on an inner surface of the first clamp, and at least one of the pair of protrusions fixing a winding-front end of the first separator inserted into the insertion groove to an inner surface of the second clamp.
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