Liu Yan, Huo Juanjuan, Guo Jiaojiao, Lu Li, Shen Ziyan, Chen Weihua, Liu Chuntai, Liu Hao
Joint International Laboratory on Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, China.
Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou, China.
Front Chem. 2020 May 19;8:426. doi: 10.3389/fchem.2020.00426. eCollection 2020.
The electrocatalytic hydrogen evolution reaction (HER) for the preparation of hydrogen fuel is a very promising technology to solve the shortage of hydrogen storage. However, in practical applications, HER catalysts with excellent performance and moderate price are very rare. Molybdenum carbide (MoC) has attracted extensive attention due to its electronic structure and natural abundance. Here, a comprehensive review of the preparation and performance control of hierarchical porous molybdenum carbide (HP-MoC) based catalysts is summarized. The methods for preparing hierarchical porous materials and the regulation of their HER performance are mainly described. Briefly, the HP-MoC based catalysts were prepared by template method, morphology-conserved transformations method, and secondary conversion method of an organic-inorganic hybrid material. The intrinsic HER kinetics are enhanced by the introduction of a carbon-based support, heteroatom doping, and the construction of a heterostructure. Finally, the future development of HP-MoC based catalysts is prospected in this review.
用于制备氢燃料的电催化析氢反应（HER）是解决储氢短缺问题的一项非常有前景的技术。然而，在实际应用中，具有优异性能且价格适中的HER催化剂非常罕见。碳化钼（MoC）因其电子结构和天然丰度而受到广泛关注。在此，总结了基于分级多孔碳化钼（HP-MoC）催化剂的制备及性能调控的全面综述。主要描述了制备分级多孔材料的方法及其HER性能的调控。简而言之，基于HP-MoC的催化剂通过模板法、形貌守恒转变法以及有机-无机杂化材料的二次转化法制备。通过引入碳基载体、杂原子掺杂以及构建异质结构来增强本征HER动力学。最后，本综述展望了基于HP-MoC催化剂的未来发展。
