BATTERY ASSEMBLIES, COMPONENTS THEREOF, AND METHODS OF MANUFACTURE
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United States of America Patent
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Issued Date -
Nov 16, 2023
app pub date -
Oct 4, 2021
filing date -
Oct 4, 2021
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Abstract
Battery cells, battery cell units, battery modules, and battery assemblies are described. The cells of such components include a prismatic shaped cell housing including a slanted wall. Substantially planar positive and negative electrodes are arranged within the housing. The slanted wall defines a pocket within the housing between edges of the electrodes and an interior surface of the slanted wall and the pocket is configured to collect gas generated within the housing. A vent is formed on the slanted wall of the housing proximate the pocket. The vent is initially in a closed state and configured to open upon an increase in pressure within the housing to allow pressure and/or gases to leave the cell cavity through the vent. The battery cell units, battery modules, and battery assemblies may include such cells.
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