3D Reconstruction of Silicon Anode

Опубликовано: 01 Октябрь 2024
на канале: Exum Instruments

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This 3D image was created from a 40-micron thick silicon anode tested with Exum's new analytical technology, the Massbox. The Massbox analyzed an area of 1 mm by 1 mm with 50-micron lateral resolution. This analysis was repeated until the Massbox ablated through the anode and into the copper current collector. Because each voxel contains a full mass spectrum of data, the results reveal a 3D distribution of lithium and other important elements:

This anode sample is at the top of charge. The lithium distribution, shown in green, appears relatively evenly distributed from the anode's surface to the copper (shown in orange).

The fluorine distribution (shown in magenta) helps identify solid electrolyte interface (SEI) formation.

Trace amounts of cobalt (shown in blue) reveal some contamination in the anode.

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Exum™ builds instruments and software ecosystems to increase the speed of development and discovery, offering easy access to high performance at a low cost. Our first instrument, The Massbox™, is the first Laser Ablation Laser Ionization Time of Flight Mass Spectrometer (LALI-TOF-MS) instrument on the market, capable of analyzing any solid sample you can throw at it.

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