Lithium ion battery
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United States of America Patent
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Apr 15, 2014
Grant Date -
Jun 21, 2012
app pub date -
Dec 12, 2011
filing date -
Dec 20, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a lithium ion battery including a battery can, a battery cell received in the battery can, electrolyte filled in the battery can, and a battery cover sealing the battery can. The battery can is formed with a flange portion, and the battery cover is formed with a skirt portion corresponding to the flange portion. The skirt portion of the battery cover tightly wraps the flange portion of the battery can, and the skirt portion and the flange portion wrapped in the skirt portion are tightly wound and bent to the battery can, so as to realize desirable sealing between the battery can and the battery cover.
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