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介绍了γ-MnO2的结构模型的新近进展以及研究γ-MnO2结构的方法一阶跃电位电化学谱、汇聚光束电子衍射法和TEM法。指出EMD在碱性电液中比CMD有优越的性能。尽管同属γ-型,即使同为EMD,由于结构特性的不同,放电性能也不尽相同。讨论了在不同放电电压下相应的反应过程。
Recent advances in the structural model of γ-MnO2 as well as one-step potential electrochemical spectroscopy for the study of γ-MnO2 structure, focused beam electron diffraction and TEM were introduced. It is pointed out that EMD has superior performance to CMD in alkaline electrolyte. Although belonging to γ-type, even with the same EMD, due to the different structural characteristics, discharge performance is not the same. The corresponding reaction processes at different discharge voltages are discussed.