二维材料MXene制备及其在电催化领域的研究进展

Research on preparation and electrocatalytic application of two-dimensional crystal MXene

MXene是一类通过选择性蚀刻MAX相材料制得的金属碳化物和碳氮化物的二维晶体。得益于独特的二维结构与丰富可调的组分,MXene在电催化领域展现出了非常好的应用前景。主要介绍了MXene的结构与性质,以及以Ti3C2为代表的MXene的制备方法,讨论了MXene在CO氧化、储氢材料中的脱氢、氧还原反应、析氧反应、析氢反应、固氮反应等领域中的应用,并分析展望MXene在电催化领域的应用前景和未来的研究方向。

MXene,a large family of novel 2D transition metal carbides(nitrides),which is obtained from selectively etching of MAX ceramics,are candidates for electrocatalysis.Thanks to its unique two-dimensional structure and abundant adjustable components,MXene has shown a promising application prospect in the field of electrocatalysis.The structure and properties of MXene and the preparation of MXene represented by Ti3C2 were introduced.The applications of MXene in CO oxidation,dehydrogenation,oxygen reduction,oxygen evolution,hydrogen evolution and nitrogen fixation of hydrogen storage materials were discussed.Finally,the future outlook of MXene in electrocatalysis was analyzed in-depth.