Battery Cell, Battery Module, And Method For Manufacturing Battery Cell

Abstract: The present invention relates to a battery cell having improved battery durability and battery life, a method for manufacturing the battery cell, and a battery module comprising the battery cell. Specifically, the battery cell may comprise: a cell case having an accommodation space; an electrode assembly which is accommodated in the accommodation space and includes a plurality of electrodes, an electrode tab formed on at least one side of each of the plurality of electrodes, and a separator interposed between the plurality of electrodes; a gel electrolyte containing a first lithium salt having a first molar concentration and accommodated in the accommodation space while surrounding the electrode tab; and a liquid electrolyte containing a second lithium salt having a second molar concentration lower than the first molar concentration and accommodated between the plurality of electrodes.

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