SECONDARY BATTERY
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United States of America Patent
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Issued Date -
Nov 19, 2020
app pub date -
Dec 13, 2017
filing date -
Dec 13, 2017
priority date (Note) -
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Abstract
Disclosed is a secondary battery comprising: an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween; a can in which the electrode assembly and an electrolyte are received; a cap assembly for sealing the can; and a washer disposed between the can and the can assembly and including at least one moisture-blocking film layer and reinforcing film layer.
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