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. 2024 Aug 2;14(16):12269–12281. doi: 10.1021/acscatal.4c03195

Figure 5.

Figure 5

Stacked XRD patterns of the successive layers of the 3% Mn catalyst extrudate showing the evolution of the different cobalt phases with increasing distances (20 μm steps) from the center of the catalyst pellet. Co2C is present at the surface periphery while FCC and HCP phases are present at the center.