| abstract |
The present invention provides heteroatom-containing nanocarbon materials, methods for making them, and uses. When the amount of the element is calculated based on the total weight of the heteroatom-containing nanocarbon material, the oxygen content is 1 to 6 wt%, the nitrogen content is 0 to 2 wt%, the carbon content is 92 to 99 wt%, and XPS The ratio of the oxygen content determined by the peak in the range of 531.0 to 532.5 eV to the oxygen content determined by the peak in the range of 532.6 to 533.5 eV is 0.2 to 0.8 The ratio of the carbon content determined by the peak in the range of 288.6 to 288.8 eV to the carbon content determined by the peak in the range of 286.0 to 286.2 eV is 0.2 to 1, and 398. The ratio of the nitrogen content determined by the peak in the range of 5-400.1 eV to the total nitrogen content is 0.7-1. The heteroatom-containing nanocarbon material exhibits good catalytic performance in hydrocarbon dehydrogenation, and can significantly improve the conversion rate of the starting material and the selectivity to the target product. |