Battery case, battery, and method for fabricating a battery
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United States of America Patent
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Aug 10, 2021
Grant Date -
Jun 13, 2019
app pub date -
Dec 12, 2018
filing date -
Dec 12, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A battery case including: a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define a space for housing the electrode assembly and to provide a top opening opposite the bottom wall, the container includes a polymeric composition including a polymer and an inorganic moisture absorbent dispersed in the polymer, and the battery case has a water vapor transmission rate (WVTR) of less than about 0.05 grams per square meter per day, when measured at 38° C. and a relative humidity of 100% according to ISO 15106 or ASTM F1249.
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