锰氧八面体分子筛的制备及应用研究进展

锰氧八面体分子筛具有多孔结构、温和的表面酸碱性、混合价态的锰离子和优异的离子交换性，被广泛应用于多相催化、电池材料和吸附材料等领域。本文介绍了锰氧八面体分子筛的化学组成，对其孔结构、氧化还原性能及酸碱性等理化性质予以总结，简述了水热法、回流法、微波法、溶胶-凝胶法和固相法等常用制备方法。锰氧八面体分子筛可应用于CO催化氧化、有机物催化氧化、CO₂活化利用和费托合成等催化领域，尤其对CO和挥发性有机物有较高的氧化活性，在电池材料和吸附材料等非催化领域也有重要的应用前景。最后指出了当前锰氧八面体分子筛研究中存在的问题，未来工作应探索更高效的合成方法，深入认识其催化作用机理，进一步拓宽该材料的应用范围。

Recent progress in preparation and application of manganese oxide octahedral molecular sieves

Manganese oxide octahedral molecular sieves (OMS) has been widely used in heterogeneous catalysis, electrochemical and adsorption materials for its porous structure, mild surface acidity and basicity, mixed valence of Mn and excellent ion-exchange properties. In the paper, the chemical composition, pore structure, redox properties and acid-base properties were summarized, and the preparation methods such as hydrothermal, reflux, microwave, sol-gel and solid phase method were introduced. Manganese oxide octahedral molecular sieves can be applied in catalytic reactions such as CO catalytic oxidation, organic catalytic oxidation, activation and utilization of CO₂ and Fischer-Tropsch synthesis, and the activities would be higher for oxidation of CO and VOCs. It also has important application prospects in battery materials and adsorption materials. Finally, the existing problems in the study of manganese oxide octahedral molecular sieves are figured out. The future study should focus on exploring more efficient preparation methods, in-depth understanding of the catalytic mechanism of OMS, and further broadening the application.