The regimes of CO₂ discharges are considered in which conversion of CO₂ molecules proceeds mainly due to dissociation by electron impact. The efficiency of this process is estimated in the framework of an approximate analytical approach, using various CO₂ dissociation cross sections available in the literature. It is shown that the best fit with the set of experimental data of the conversion efficiency in corona and dielectric-barrier discharges, corresponding to the range of reduced electric field values higher than 90 Td, is provided by using, as the dissociation cross section, of the cross section by Phelps, for excitation of electronic states with the energy threshold of 10.5eV.

考虑CO ₂放电的方式，其中CO ₂分子的转化主要由于电子碰撞的离解而进行。该过程的效率是在近似分析方法的框架内估计的，使用文献中可用的各种 CO ₂离解截面。结果表明，与电晕和介质阻挡放电中转换效率的一组实验数据的最佳拟合，对应于高于 90 Td 的降低电场值范围，通过使用作为解离截面提供，菲尔普斯的横截面，用于激发能量阈值为 10.5eV 的电子态。