MOFs基材料催化电解水展望研究

Prospect Research of MOFs Application on Electrocatalytic Water Splitting

金属-有机框架化合物(metal organic frameworks,MOFs)具有孔隙率高、比表面积大、尺寸可调、易功能化、衍生结构多样性等特点,在催化电解水制氢领域具有广阔应用前景。梳理MOFs的起源、发展历程、结构特点、种类划分以及国内外主要研究团队,归纳MOFs基材料发展所面临的科学技术问题并提出展望,不仅有助于理解MOFs结构与催化电解水之间的“构-效关系”微观作用机制,也为开发新型高效MOFs基催化材料提供科学指导。现阶段,MOFs发展面临精准设计与可控制备困难,催化微观作用机制不明确,大规模量产化工艺不成熟等问题。因此需从MOFs的晶体生长机制及催化应用等方面所涉及的基础理论进行深入研究,并辅助先进材料表征与理论计算技术,指导MOFs基高效电解水催化剂的开发,从而推动低能耗电解水制氢产业的发展。

Metal organic frameworks(MOFs)are characterized by high porosity,large specific surface area,adjustable size,easy functionalization,and diverse derivative structures,which shown broad application prospects in the field of water to hydrogen production.Through sorting out the origin,development history,structural characteristics and classification of MOFs,as well as introduction of major research teams around world,and summarize the faced problems by the development of MOFs based materials and put forward their prospects,which not only helpful to understand the"structure-effect relationship"of MOFs catalytic of water,but also provides scientific guidance to develop novated and efficient MOFs.At this stage,to develop MOFs facing the difficulties of precise design and controllable preparation,unclear catalytic mechanism,as well as immature large-scale modulus production process.Therefore,it is necessary to conduct in-depth research on the basic theories involved in the preparation and application of MOFs.It would be significant to guide the precise design and development of high-efficiency MOFs based electrolytic by adopting the assistance of advanced material characterization and chemical computational chemistry technology,which to promote the technology development of low energy consumption catalytic of water to hydrogen production.