Cid Filter and Secondary Battery, Battery Pack, Battery Module, and Vehicle Including the Same

DRIVE June 25, 2026
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A current interruptive device (CID) filter for a secondary battery includes: a central portion located at the center of the CID filter; a peripheral portion located at an edge of the CID filter; and an intermediate portion including at least one through-hole positioned along a circumference of the central portion and a CID bridge connecting the central portion and the peripheral portion. The through-hole is asymmetrically positioned with respect to any one line passing through a central point of the CID filter.

Discussion in the ATmosphere

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