Secondary Battery and Battery Pack Including the Same

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Secondary Battery and Battery Pack Including the Same

This abstract first appeared for US patent application 20250125493 titled 'Secondary Battery and Battery Pack Including the Same

Original Abstract Submitted

a secondary battery includes: a pouch-type case including a first pouch and a second pouch connected to each other, the pouch-type case being folded along a folding line such that an accommodation space surrounded by the first pouch and the second pouch is formed; an electrode assembly accommodated in the accommodation space; and a film- or sheet-shaped spacer that is spaced apart from the electrode assembly in the direction of the folding line and interposed between the first pouch and the second pouch. the spacer includes a material having a different physical property from an innermost sealant layer of the first pouch and the second pouch.