Table S2.

Specific surface areas and pore volume distributions of Fe/N/CF for pores of diameter <50 nm in Fe/N/CF, compared with two representative amorphous carbons

Surface properties	Black Pearl	Ketjenblack	Fe/N/CF
BET, m2⋅g−1	1,432	798	809
Surface area of pores ≤2 nm, m2⋅g−1	867	398	780
Surface area of pores ≤50 nm, m2⋅g−1	960	507	788
S≤2nm/S≤50nm, %	90	78	99
Total volume in pores ≤80 nm, cm3⋅g−1	0.955	0.508	0.330
Volume of pores ≤2 nm, cm3⋅g−1	0.371	0.167	0.271
Volume of pores ≤50 nm, cm3⋅g−1	0.766	0.463	0.323
V≤2nm/V≤50nm, %	48	36	84