Abstract

HighlightsThe open hollow structure enhances the accessibility of atomically dispersed Ru sites and improves the diffusion efficiency of catalytic moleculesThe abundant atomically dispersed Ru sites on the surface of catalyst provide a large number of oxygen adsorption and Li2O2 nucleation sitesThe lithium–oxygen battery assembled with h-RuNC could catalyze the production of Li2O2 with better dispersion and improve the cycling stability.

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