Batteries, Volume 11, Issue 8
August 2025 - 36 articles
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Cover Story: Lithium metal is a promising anode for next-generation batteries, but its processing is challenging due to high reactivity and poor machinability. This study investigates laser cutting as a non-contact alternative to mechanical separation, comparing nanosecond and picosecond pulse durations. Analysis of cutting-edge quality, heat-affected zones, and melt formation shows that shorter pulses reduce thermal damage and improve electrode integrity. Electrochemical tests in symmetric Li|Li cells reveal that laser-cut anodes outperform mechanically separated ones, exhibiting improved cycling stability despite locally inactive lithium. These results highlight optimized laser processing as a key step toward reliable lithium metal anodes for solid-state batteries. View this paper