LITHIUM-ION BATTERY ELECTROLYTE INJECTION HOLE SEALING DEVICE
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United States of America Patent
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Issued Date -
Sep 11, 2014
app pub date -
Mar 3, 2014
filing date -
Mar 8, 2013
priority date (Note) -
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Abstract
The present disclosure provides a lithium-ion battery electrolyte injection hole sealing device, the lithium-ion battery electrolyte injection hole sealing device is provided with a through hole corresponding to an electrolyte injection hole of a battery cover, the lithium-ion battery electrolyte injection hole sealing device is a film comprising a polypropylene layer, the lithium-ion battery electrolyte injection hole sealing device is packaged on the electrolyte injection hole and a peripheral area of the electrolyte injection hole of the battery cover by hot melting of the polypropylene layer. Consequently, pollution and corrosion of the electrolyte injection hole and the peripheral area thereof are avoided, so as to improve quality of seal welding of the electrolyte injection hole.
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