Enhanced Stretchable 2D Metal‐Graphene Membranes with Superior Mechanical Properties for Sieving Lithium from Brine

⁺ ≈ 183.3). Through dynamic stretching, the membrane enables precise modulation of ion permeability and selectivity, highlighting its versatility and practicality in complex separation processes. This study marks a significant advancement in membrane design, underscoring its potential in addressing challenges posed by diverse industrial applications, particularly in saline environments.