Fig. 6: Underlying mechanism of hydrothermal relithiation.
From: Proton-exchange induced reactivity in layered oxides for lithium-ion batteries
a Adsorption kinetic curves of the hydrothermal relithiation at different temperatures. b Pseudo-first-order kinetic model. c Pseudo-first-order kinetic model. d Pourbaix diagram showing the thermodynamic stability window of water and Li ions intercalation potential of various positive electrode materials. e Schematic illustration of GC measurement. f GC chromatogram of the background gas and gas in bubbles. Source data are provided as a Source Data file.
