Packaging for cable-type secondary battery and cable-type secondary battery comprising the same
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United States of America Patent
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Apr 26, 2016
Grant Date -
Nov 13, 2014
app pub date -
Jul 29, 2014
filing date -
Apr 29, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a packaging for a cable-type secondary battery, surrounding an electrode assembly in the cable-type secondary battery, the packaging having a moisture-blocking layer comprising sealant polymer layers on both outer surfaces of a moisture-blocking film and a moisture-blocking film disposed between the sealant polymer layers, wherein the moisture-blocking layer is a tube form surrounding the electrode assembly, and the sealant polymer layers in both ends of the moisture-blocking layer are overlapped and adhered with each other in a predetermined part. The packaging according to the present disclosure can be used in a cable-type secondary battery to block moisture from being infiltrated into an electrode assembly, thereby improving the life characteristics of the battery and preventing the deterioration of battery performances.
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