METHOD OF FABRICATING SECONDARY BATTERY
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United States of America Patent
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Issued Date -
Apr 4, 2013
app pub date -
Sep 14, 2012
filing date -
Sep 29, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a method of fabricating a secondary battery including a battery case and an electrode plate set housed in the battery case. The electrode plate set includes positive and negative electrode plates and a separator interposed therebetween. The electrode plate set is impregnated with non-aqueous electrolyte. The method includes the steps of: replacing air in the battery case with gas having an Ostwald solubility coefficient of 2.0 or more in the non-aqueous electrolyte; reducing the pressure in the battery case after the replacement with the gas; and introducing the non-aqueous electrolyte into the depressurized battery case.
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