A Multifunctional Interlayer Enhancing Water Tolerance in Rechargeable Lithium Batteries

(NCM622)//Li cell paired with the Sep@PP separator shows superior stability and maintains 72.3% of the initial capacity after 200 cycles, even at 55 °C. These findings underscore that leveraging the unique structure of dehydrated sepiolite presents a novel approach to mitigating water hazards in the modern battery industry.