BATTERY CELL AND METHOD FOR MANUFACTURING BATTERY CELL
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United States of America Patent
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Issued Date -
Dec 6, 2018
app pub date -
Jan 24, 2017
filing date -
Jan 24, 2017
priority date (Note) -
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Abstract
Disclosed is a battery cell, which includes an electrode assembly, a pair of electrode leads electrically connected to the electrode assembly, a battery case configured to accommodate the electrode assembly and expose a portion of the pair of electrode leads to the outside, an electrolyte injection hole formed in the battery case and connectable to an electrolyte injecting device that injects an electrolyte in a vacuum state so that the electrolyte is injected into the battery case, and an injection hole cap configured to cover the electrolyte injection hole and mounted to the electrolyte injection hole so as to be detachable from the electrolyte injection hole by user manipulation.
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