Figure 1 | Scientific Reports

Figure 1

From: Three-Dimensional Microstructural Imaging of Sulfur Poisoning-Induced Degradation in a Ni-YSZ Anode of Solid Oxide Fuel Cells

Figure 1

X-ray nanotomography image processing.

In (a) – (d) Multi-energy tomography is performed by imaging the sample at four energy levels across the Ni k-edge. Contrast change indicates the presence of Ni and therefore can identify Ni and Ni-S phases. In (e) a high-resolution tomography at 8350 eV with improved optics provides clear definition of edges and particle boundaries. In (f), phases were labeled based on contrast change and overlaid on the gradient of the high-resolution data. The labels were used as seed regions in a watershed algorithm, creating a segmented structure (g).

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