Table 1.

Summary of pore characterization based on PXCT data, including: macroporosity (ϵ_M), mesoporosity (ϵ_m), total porosity (ϵ_tot), mean equivalent spherical pore diameter of separated pores (${\overline{d}}_{\text{eq}}$), mean pore diameter of skeleton‐based pore network model (${\overline{d}}_{\text{pore}}$), mean length of skeleton segments (${\overline{l}}_{\text{cu,pore}}$), mean tortuosity of skeleton segments ($\overline{\tau }$), mean coordination number of all nodes in skeleton network ($\overline{CN}$), mean coordination number of branching nodes in skeleton network (${\overline{CN}}_{\text{br}}$)

	Ni/Al2O3		Al2O3
	Dried	Calcined	Dried	Calcined
ϵM/%	43.9	44.5	34.9	33.6
ϵm/%	29.4	23.4	34.3	30.1
ϵtot/%	73.3	67.9	69.2	63.7
${\overline{d}}_{\text{eq}}$/µm	2.54 ± 0.65	2.43 ± 0.66	1.54 ± 0.41	1.19 ± 0.31
${\overline{d}}_{\text{pore}}$/µm	1.36 ± 0.44	1.17 ± 0.39	0.57 ± 0.20	0.47 ± 0.17
${\overline{l}}_{\text{cu,pore}}$/µm	1.64 ± 1.02	1.51 ± 0.83	1.03 ± 0.55	0.85 ± 0.49
$\overline{\tau }$/1	1.1 ± 0.1	1.1 ± 0.3	1.1 ± 0.1	1.1 ± 0.1
$\overline{CN}$/1	2.3 ± 1.0	2.6 ± 1.0	2.6 ± 1.0	2.4 ± 1.0
${\overline{CN}}_{\text{br}}$/1	3.1 ± 0.3	3.1 ± 0.4	3.1 ± 0.4	3.1 ± 0.3

See Supporting Information for definition, calculation, and sensitivity of all measures.