Preparation of Pore-Size Controllable Activated Carbon from Rice Husk Using Dual Activating Agent and Its Application in Supercapacitor

Table 2

Physical properties deduced from N₂ adsorption at 77K of AC samples.

Sample	SBET (m^2·g^−1)	Smic (m^2·g^−1)	Sext (m^2·g^−1)	Vmic (cm^3·g^−1)	Vmes (cm^3·g^−1)	Vtot (cm^3·g^−1)	Vmic/Vtot (%)
RH-K4	2696	2470	226	1.4258	0.3111	1.7369	82.1
RH-N3	2360	2065	295	1.0927	0.4396	1.5323	71.3
RH-K1N2	2365	2258	107	1.0156	0.1846	1.2002	84.6
RH-K1.5N2	2945	2745	200	1.3811	0.4200	1.8011	76.7
RH-K2N1	2829	2736	93	1.2267	0.1369	1.3636	90.0
RH-K2N1.5	3043	2831	211	1.4250	0.2962	1.7212	82.8
RH-K2N2	2990	2747	243	1.4316	0.3768	1.8084	79.2