CNT@Ni@Ni–Co silicate core–shell nanocomposite: a synergistic triple-coaxial catalyst for enhancing catalytic activity and controlling side products for Li–O₂ batteries

Abstract

The CNT@Ni@Ni–Co silicate core–shell composites prevent the formation of side-products <italic>via</italic> structural synergistic effects, thereby enhancing its electrochemical performances for Li–O₂ batteries.