Intergranular to Transgranular Lithium Filamentation in a Garnet Solid-State Electrolyte

Key Points

• The research aims to investigate the mechanisms of lithium filament growth in solid-state batteries.
• Analysis of lithium filamentation in garnet electrolytes
• Comparison of intergranular and transgranular growth patterns
• Assessment of energy density performance
• Lithium filaments predominantly develop along grain boundaries.
• Transgranular growth occurs under specific conditions.
• Higher energy densities are achievable through optimized filamentation control.