Battery connections and metallized film components in energy storage devices having internal fuses
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United States of America Patent
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Oct 5, 2021
Grant Date -
Oct 17, 2019
app pub date -
Mar 22, 2019
filing date -
Sep 9, 2017
priority date (Note) -
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Abstract
A lithium battery cell with an internal fuse component and including needed tabs which allow for conductance from the internal portion thereof externally to power a subject device is provided. Disclosed herein are tabs that exhibit sufficient safety levels in combination with the internal fuse characteristics noted above while simultaneously displaying pull strength to remain in place during utilization as well as complete coverage with the thin film metallized current collectors for such an electrical conductivity result. Such tabs are further provided with effective welds for the necessary contacts and at levels that exhibit surprising levels of amperage and temperature resistance to achieve the basic internal fuse result with the aforementioned sufficient conductance to an external device. With such a tab lead component and welded structure, a further improvement within the lithium battery art is provided the industry.
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