新型绿色硝化剂N_2O_5的电化学合成研究进展

Progress in Electrochemical Synthesis of a New Green Nitrating Agent of Dinitrogen Pentoxide

对N2O4氧化和HNO3脱水两种电合成N2O5的方法进行了综述,通过分析电解过程的电流效率、比能、电流密度和化学收率比较了这两种方法的优缺点。隔膜和电极作为电解槽的两个关键技术直接影响电解过程的电流效率和比能,评价了适合该电解体系的隔膜和电极材料,并展望了N2O5未来的研究方向及前景。

The two electrochemical synthesis of N2O5 by oxidation of N2O4 and by dehydration of HNO3 are reviewed, and the comparison between these two methods is given by analyzing the current efficiency, the specific energy, the current density and the chemical yield of the electrolytic process. The importance of cell membrane and the electrode affecting the current efficiency and the specific energy of the electrolysis are presented, and the evaluations of the cell membranes and the electrode materials suitable for the electrolytic system are given. The development and prospect on the research of N2O5 are proposed either.