Mesoscopic framework in hierarchical Pt/Silicate-1 zeolite catalyst enables stable low-temperature CO conversion

doi:10.1016/j.mtener.2023.101406

IMR OpenIR

	Mesoscopic framework in hierarchical Pt/Silicate-1 zeolite catalyst enables stable low-temperature CO conversion
	Cui, Ronghua 1; Liu, Yatian 1; Dong, Zejian 1; Zhang, Lifeng 1; Xian, Quangang 2; Luo, Langli 1,3
通讯作者	Luo, Langli(luolangli@tju.edu.cn)
	2023-10-01
发表期刊	MATERIALS TODAY ENERGY
ISSN	2468-6069
卷号	37 页码:8
摘要	Hierarchical porous zeolites often exhibit improved diffusion and enhanced catalytic performance compared to conventional microporous zeolites. Meanwhile, metal encapsulation in a zeolite framework becomes an efficient way to achieve a highly dispersed and stable metal loading for heterogeneous catalysts. Herein, we synthesize a hierarchical Silicate-1 (S-1) zeolite catalyst with three-dimensional mesoscopic channels, which achieves both improved diffusion and uniform encapsulation of Pt species. We find that the optimized zeolite possesses atom-precise mesoscopic channels (2 and 4 nm) formed during the controlled crystallization process, which enables a better catalytic performance (100% CO conversion at a low temperature of similar to 60 degrees C for over 250 h) compared with other mesoscopic S-1 catalysts with varied pore sizes and also superior to micropore-only S-1 with an even smaller Pt size. This unique channel structure enables a balance between maximizing the effective encapsulation of Pt and prohibiting aggregation of Pt species, further broadening the scope of hierarchical porous zeolite catalysts.(c) 2023 Elsevier Ltd. All rights reserved.
关键词	Hierarchical zeolite Silicate-1 CO oxidation Pt Mesoscopic channels
资助者	National Natural Science Foundation of China ; Haihe Laboratory of Sustainable Chemical Transformations
DOI	10.1016/j.mtener.2023.101406
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[22172110] ; Haihe Laboratory of Sustainable Chemical Transformations
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
WOS类目	Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号	WOS:001082757000001
出版者	ELSEVIER SCI LTD
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/179471
专题	中国科学院金属研究所
通讯作者	Luo, Langli
作者单位	1.Tianjin Univ, Inst Mol Plus, 92 Weijin Rd, Tianjin 300072, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Haihe Lab Sustainable Chem Transformat, Tianjin 300192, Peoples R China
推荐引用方式 GB/T 7714	Cui, Ronghua,Liu, Yatian,Dong, Zejian,et al. Mesoscopic framework in hierarchical Pt/Silicate-1 zeolite catalyst enables stable low-temperature CO conversion[J]. MATERIALS TODAY ENERGY,2023,37:8.
APA	Cui, Ronghua,Liu, Yatian,Dong, Zejian,Zhang, Lifeng,Xian, Quangang,&Luo, Langli.(2023).Mesoscopic framework in hierarchical Pt/Silicate-1 zeolite catalyst enables stable low-temperature CO conversion.MATERIALS TODAY ENERGY,37,8.
MLA	Cui, Ronghua,et al."Mesoscopic framework in hierarchical Pt/Silicate-1 zeolite catalyst enables stable low-temperature CO conversion".MATERIALS TODAY ENERGY 37(2023):8.