Table 2.
Yields of different plasma-catalytic nitrogen fixation systems
| Discharge form | Catalyst | Maximum output/% | Maximum production rate (μ mol/min) | Energy yield g/(kWh) | Nitrogen conversion rate (N/H ratio) | Source |
|---|---|---|---|---|---|---|
| DBD | Copper wire | 3.5 | 160 | 3.3 | Aihara et al. [4] | |
| DBD | Ni/Si | 6.4 | – | – | Akay et al. [7] | |
| DBD | Alumina medium | 1.25 | 1.83 | Bai et al. [12] | ||
| DBD | PZT | 0.9 | 2.7% (1:3) | Gómez-Ramírez et al. [10] | ||
| DBD | PZT | 7% (1:3) | Gómez-Ramírez et al. [26] | |||
| DBD | Nano-diamond | 1.2 | 2.3% (1:3) | Hong et al. [21] | ||
| DBD | DLC | 1 | 2% (1:3) | Hong et al. [21] | ||
| DBD | Metal wire | 3.5 | About 96 | Iwamoto et al. [20] | ||
| DBD | Ru/Mg/Al2O3 | 35.7 | Kim et al. [17] | |||
| DBD | Ru/Al2O3 | 1.49 | 37 | 1.9 | 0.4% (2:1) | Li et al. [18] |
| DBD | Ru/Al2O3 | About 37 | 0.38 | 4.8% (1:3) | Mizushima et al. [16] | |
| DBD | Ru/CS/carbon nanotubes | 3.7 | 2.3 | Peng et al. [19] | ||
| DBD | MgCl2 | 56 | 20.5 | Peng et al. [25] |
Note: In some literatures, the ammonia output is the conversion rate of nitrogen, while in other literatures, it is the ammonia concentration. Therefore, the data quoted here are for reference only
DLC diamond-like carbon PZT Piezoelectric materials