Silicon is a popular dopant in conventional lithium ion batteries, with Si capable of holding 20x more lithium ions per unit volume as compared to graphite. Silicon also presents significant challenges to battery engineering. Swelling and mechanical damage during charging, runaway SEI layer growth and outgassing can lead to rapid capacity fading over a short battery lifetime.
Such effects can be observed with a variety of microscopy methods, including light microscopy, electron microscopy and analysis, and x-ray microscopy, which allows for non-destructive imaging of the battery microstructure across longitudinal studies.
In this webinar we outline some of the advantages that the ZEISS portfolio brings toward solving the challenges of understanding the aging effect in battery anodes.