文献类型：期刊文献

英文题名：CO-tolerant RuNi/TiO2 catalyst for the storage and purification of crude hydrogen

作者：Wang, Zhaohua[1];Dong, Chunyang[1,2];Tang, Xuan[3];Qin, Xuetao[1];Liu, Xingwu[1,4];Peng, Mi[1];Xu, Yao[1];Song, Chuqiao[1];Zhang, Jie[1];Liang, Xuan[1];Dai, Sheng[3];Ma, Ding[1]

机构：[1]Peking Univ, Beijing Natl Lab Mol Sci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China;[2]Univ Lille, UCCS Unite Catalyse & Chim Solide, CNRS,Univ Artois, Centrale Lille,ENSCL,UMR,8181 Lille, F-8181 Lille, France;[3]East China Univ Sci & Technol, Key Lab Adv Mat & Joint Int Res Lab Precis Chem, Feringa Nobel Prize Scientist Joint Res Ctr,Sch, Frontiers Sci Ctr Mat & Dynam Chem,Inst Fine Che, Shanghai 200237, Peoples R China;[4]Synfuels CHINA Co Ltd, Natl Energy Ctr Coal Liquids, Beijing 101400, Peoples R China

年份：2022

卷号：13

期号：1

外文期刊名：NATURE COMMUNICATIONS

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000840832000004)】；

基金：This work was financially supported by the National Key R&D Program of China (2021YFA1501102) and the National Natural Science Foundation of China (21725301, 21932002, 21821004). S.D. thanks the Fundamental Research Funds for the Central Universities, Shanghai Rising-star Program (20QA1402400), and the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning. Additional support was provided by the Frontiers Science Center for Materiobiology and Dynamic Chemistry and the Feringa Nobel Prize Scientist Joint Research Center. D.M. acknowledges support from the Tencent Foundation through the EXPLORER PRIZE.

语种：英文

摘要：Hydrogen storage by means of catalytic hydrogenation of suitable organic substrates helps to elevate the volumetric density of hydrogen energy. In this regard, utilizing cheaper industrial crude hydrogen to fulfill the goal of hydrogen storage would show economic attraction. However, because CO impurities in crude hydrogen can easily deactivate metal active sites even in trace amounts such a process has not yet been realized. Here, we develop a robust RuNi/TiO2 catalyst that enables the efficient hydrogenation of toluene to methyl-cyclohexane under simulated crude hydrogen feeds with 1000-5000 ppm CO impurity at around 180 degrees C under atmospheric pressure. We show that the co-localization of Ru and Ni species during reduction facilitated the formation of tightly coupled metallic Ru-Ni clusters. During the catalytic hydrogenation process, due to the distinct bonding properties, Ru and Ni served as the active sites for CO methanation and toluene hydrogenation respectively. Our work provides fresh insight into the effective utilization and purification of crude hydrogen for the future hydrogen economy. Efficient storage of crude hydrogen, through toluene hydrogenation to methylcyclohexane, is often inhibited by CO impurities. Here, the authors develop a RuNi/TiO2 catalyst which avoids deactivation through promoting simultaneous CO methanation.