有机储氢化合物甲基环己烷脱氢催化剂研究进展  

Research progress on organic hydrogen storage compound methylcyclohexane dehydrogenation catalysts

作　　者：任文琛 李仲瑞 韩俊杰 陈梦驰 代晓敏 许云华[2,3,4] REN Wenchen;LI Zhongrui;HAN Junjie;CHEN Mengchi;DAI Xiaomin;XU Yunhua(College of Chemistry and Chemical Engineering,Yulin University,Yulin 719000,Shaanxi,China;School of Materials Science and Engineering,Xi’an University of Technology,Xi’an 710048,Shaanxi,China;College of New Energy,Yulin University,Yulin 719000,Shaanxi,China;College of Electromechanical Engineering,Xi’an University of Architecture and Technology,Xi’an 710055,Shaanxi,China)

机构地区：[1]榆林学院化学与化工学院,陕西榆林719000 [2]西安理工大学材料科学与工程学院,陕西西安710048 [3]榆林学院新能源学院,陕西榆林719000 [4]西安建筑科技大学机电工程学院,陕西西安710055

出　　处：《低碳化学与化工》2024年第12期112-120,共9页Low-Carbon Chemistry and Chemical Engineering

基　　金：陕西省教育厅科学研究计划(23JK0760);陕西省科技厅区域创新能力引导计划(2022QFY06-08);2023年度大学生创新创业训练计划(S202311395036)。

摘　　要：氢作为理想的高效、清洁能源,是我国能源体系向低碳化转型的首要选择。氢能储运技术是推动氢能产业发展的重点,其中有机液态储氢技术因具备安全性高、储氢密度大等优势已成为研究热点,尤其是甲基环己烷(MCH)-甲苯储氢体系,目前已展现出了良好的工业应用潜力。MCH-甲苯储氢体系发展的最大阻力是MCH催化脱氢过程缺乏稳定高效的催化剂,设计出稳定性好、选择性高且低温高活性的MCH脱氢催化剂是助力MCH-甲苯储氢体系发展的关键。综述了有机液态储氢技术的优势、储氢介质的特点以及MCH脱氢催化剂的研究现状。按照活性金属的稀有度将MCH脱氢催化剂分为贵金属、非贵金属催化剂,从活性组分、载体的选择和制备方式对MCH脱氢催化剂的脱氢性能进行了概述和分析。MCH脱氢催化剂未来研究可从以下方面入手:(1)延长贵金属催化剂寿命的同时提高贵金属活性组分的回收率;(2)对非贵金属脱氢催化剂进行载体改性或引入新的活性组分;(3)整合MCH脱氢催化全过程能量利用方式,引入清洁能源辅助加热,降低脱氢过程能耗。Hydrogen,as an ideal efficient and clean energy,is the primary choice for the transformation of China’s energy system to low-carbon.Hydrogen storage and transportation technology is the key to promote the development of hydrogen energy industry,in which the organic liquid hydrogen storage technology has become a research hotspot due to its advantages of high safety and high hydrogen storage density,especially the methylcyclohexane(MCH)-toluene hydrogen storage system,which has demonstrated a good potential for industrial application.The biggest resistance to the development of catalysts for MCH-toluene hydrogen storage system is the lack of stable and efficient catalysts for MCH catalytic dehydrogenation process,and the design of great stability and high selectivity catalysts with low-temperature and high-activity is the key to facilitate the development of the MCH-toluene hydrogen storage system.The advantages of organic liquid hydrogen storage technology,the characteristics of hydrogen storage media and the current research status of MCH dehydrogenation catalysts were reviewed.The MCH dehydrogenation catalysts were classified into noble metal and nonprecious metal catalysts according to the rarity of the active metal,and the dehydrogenation performances of MCH dehydrogenation catalysts were summarized and analyzed in terms of the active components,the selection of carriers,and the preparation methods.Future research on MCH dehydrogenation catalysts can start from the following aspects.(1)Extend the lifetime of precious metal catalysts and improve the recovery of precious metal active components.(2)Modify carriers or introduce new active components for non-precious metal dehydrogenation catalysts.(3)Integrate the energy utilization of the whole MCH catalytic dehydrogenation process,and reduce the energy consumption of the dehydrogenation process through the introduction of clean energy-assisted heating.

关 键 词：氢能 甲基环己烷 脱氢 MCH脱氢催化剂 

分 类 号：TQ23[化学工程—有机化工] TK91[动力工程及工程热物理]