Pinpointing energy losses in CO2 plasmas – Effect on CO2 conversion

摘要: Abstract Plasma technology is gaining increasing interest for CO2 conversion, but to maximize the energy efficiency, it important track different transfers taking place in plasma. In this paper, we study these mechanisms by a 0D chemical kinetics model, including vibrational kinetics, conditions of reduced electric field, gas temperature and ionization degree, at pressure 100 mbar. Our model predicts maximum conversion efficiency 32% 47%, respectively, that are particularly beneficial efficient i.e. low field (10 Td) (300 K). We effect which used dissociate CO2, as well activation reaction CO2 + O → CO + O2, elucidate theoretical limitations efficiency. reveals parameters mainly responsible By varying parameters, can reach 86%. Finally, derive an empirical formula estimate possible be reached under assumptions model.