Reaction and degradation mechanism in all-solid-state lithium–air batteries

Abstract

The reaction and degradation mechanism in all-solid-state Li–air batteries was investigated to improve the cycling performance. It is suggested that Li₂O₂ is first produced by the H₂O-mediated electrochemical reactions during discharging and Li₂CO₃ is produced by the following chemical reactions. Disruption of the CNTs and residual discharge products, which cause the capacity degradation during cycling, were observed.