Investigation of the lithium extraction mechanism from LiNi0.6Mn0.2Co0.2O2 by using operando neutron diffraction in an all-solid-state battery

Key Points

• To explore the lithium extraction mechanism from LiNi0.6Mn0.2Co0.2O2 during operation in all-solid-state batteries.
• Operando neutron diffraction was utilized to observe lithium behavior in real-time.
• The study focused on the material composition LiNi0.6Mn0.2Co0.2O2 during battery operation.
• Key measurements were taken to analyze changes in crystal structure during lithium extraction.
• Identified distinct changes in crystal structure correlating with lithium extraction.
• Demonstrated the effectiveness of operando neutron diffraction in monitoring lithium dynamics.
• Provided insights into optimizing lithium extraction processes in all-solid-state batteries.