Konjac Sponge Derived Carbon Flakes with Optimized Pore Structure for High-Performance Supercapacitor

Table 1

Texture properties of the KAC samples achieved under different conditions and UAC.^a

Sample	SBET (m^2/g)	SDFT (m^2/g)	SDFT (m^2/g)			Pore vol (cm^3/g)
			d < 2 nm	d < 2 nm	SSAmic (%)	d < 2 nm	d > 2 nm	Vmes/Vmic
KAC-700	3117	1952	1757	195	90	0.94	0.24	0.25
KAC-800	2841	1861	1731	126	93	0.88	0.16	0.18
KAC-900	3116	1895	1352	543	71	0.70	0.77	1.10
KAC-1	1382	1178	1094	84	93	0.43	0.16	0.37
KAC-2	2557	1612	1402	210	87	0.76	0.31	0.41
KAC-4	2888	1687	949	738	56	0.49	1.24	2.53
UAC	152	70.5	68.3	2.2	97	0.05	0.005	0.10

^aS_BET and S_DFT: the specific surface area (SSA) based on Brunauer–Emmett–Teller (BET) and density functional theory (DFT) method; SSA_mic: the microporous surface area; V_mes/V_mic: the ratio between mesopore and micropore volume.