Enhanced Capacitive Performance of N-Doped Activated Carbon from Petroleum Coke by Combining Ammoxidation with KOH Activation

Table 1 Surface area and pore-structure parameters of the as-prepared samples

Samples	S _BET ^a	S _Micro ^b	S _Meso ^c	V _total ^d	V _Micro ^e	V _Meso ^f	APD^g
Samples	m² g⁻¹	m² g⁻¹	m² g⁻¹	cm³ g⁻¹	cm³ g⁻¹	cm³ g⁻¹	nm
NOAC400	1875	660	737	1.02	0.38	0.45	2.18
NOAC500	1836	594	726	1.00	0.35	0.44	2.17
NOAC600	1837	568	795	1.00	0.33	0.47	2.17
NOAC700	1817	521	763	0.98	0.30	0.46	2.15
NOAC800	1780	465	768	0.96	0.27	0.46	2.15