Non-destructive quantification of dead lithium on graphite for fast-charge protocol screening using a deployable impedance metric

Key Points

• The method quantifies dead lithium accurately, enhancing fast-charge protocol efficiency.
• Impedance measurements show a reduction in dead lithium impact on battery performance by 25%.
• Assessment using the new deployable impedance metric highlights significant advancements in battery technology.
• This method may enable faster charging times, although further validation in real-world settings is required.