Dual-Site Geometry Mediates Dynamic LiO₂ Binding for Efficient Lithium-Oxygen Batteries

Lithium-oxygen batteries (LOBs) offer high energy density through multi-electron transfer, but their 2e^- pathway generates unstable intermediates such as lithium superoxide (LiO₂), leading to complex reaction kinetics and poor reversibility. Herein, we propose an electronegativity-mediated strategy to dynamically regulate LiO₂ binding on catalyst surfaces. By tuning the geometry and spacing of dual-active sites (DAS), we reshape orbital interactions and coordination environments, enabling precise control over electron density and adsorption-desorption microenvironments. This atomic-scale regulation establishes a "bridged adsorption" mode that stabilizes key intermediates, optimizes Li-O bond activation, and enhances the "adsorption-activation-dissociation" sequence of reactive species. Consequently, lithium-oxygen batteries exhibit high capacity and prolonged cycling stability. More broadly, we identify a universal DAS spacing descriptor that integrates symmetry breaking with electronic configuration, providing a general design principle to overcome linear scaling relationships (LSRs) and unlock intrinsic catalytic activity for oxygen electrocatalysis.