An improved catalytic effect of nitrogen-doped TiO₂ nanofibers for rechargeable Li–O₂ batteries; the role of oxidation states and vacancies on the surface

Abstract

This work demonstrates higher catalytic activity of nitrogen-doped TiO₂ nanofibers for lithium-air cells compared to pristine TiO₂. Its electrochemical superiority could be ascribed to electronic property changes on the surface.