Table 1.
Textural properties and chemical composition of carbon materials.
| Sample | SBET a (m2 g−1) | Vtotal b (cm3 g−1) | Vmicro c (cm3 g−1) | Cd (at%) | Nd (at%) | Surface Oe (at%) | Surface Ne (at%) |
|---|---|---|---|---|---|---|---|
| bamboo shoot | 0.4 | 0.002 | / | 41.7 | 4.27 | / | / |
| BFHf | 45 | 0.039 | / | / | / | / | / |
| BF-850 | 264 | 0.130 | 0.127 | 72.3 | 2.51 | / | / |
| BFH-750 | 913 | 0.622 | 0.288 | 74.2 | 2.96 | 12.6 | 2.6 |
| BFH-850 | 972 | 0.619 | 0.335 | 73.4 | 2.86 | 13.0 | 2.4 |
| BFH-950 | 624 | 0.407 | 0.214 | 78.2 | 1.42 | 9.9 | 1.2 |
aBET surface area calculated from the linear part of the BET plot (P/P0 = 0.1-0.2). bTotal pore volume, taken from the volume of N2 adsorbed at P/P0 = 0.99. ct-plot micropore volume. dCalculated from the results of elemental analysis. eCalculated from the results of XPS spectra. fthe hydrothermal carbons.