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Cu nanoparticles confined in TiO2 nanotubes to enhance the water-gas shift reaction activity
Chen, Yaqian1,2; Li, Xiangnan1; Li, Juan1; Wu, Liangpeng1; Li, Xinjun1
2021-01-22
发表期刊INTERNATIONAL JOURNAL OF GREEN ENERGY
ISSN1543-5075
页码7
通讯作者Li, Xinjun(lixj@ms.giec.ac.cn)
摘要It is of great significance to develop water-gas shift (WGS) catalyst with high catalytic activity in low-temperature operational regime. In this paper, we have prepared Cu confined in TiO2 nanotubes (TiO2NT, Cu-in-TiO2NT) catalyst via a vacuum-assisted impregnation method and subsequent calcination. The confined Cu-in-TiO2NT catalyst exhibits the higher CO conversion and H-2 production rate than that of the Cu loaded on TiO2NT catalyst throughout the entire reaction temperature range. At the reaction temperature of 250 degrees C and 300 degrees C, the CO conversion of the confined catalyst is twofold and fourfold, respectively, higher than that of the supported catalyst, demonstrating superior catalytic activity toward WGS reaction. Due to the confinement effect of TiO2NT, the confined Cu-in-TiO2NT catalyst can enhance the concentration of the oxygen vacancies for H2O activation, contributing to the higher WGS activity.
关键词Confinement effect TiO2 nanotubes Cu oxygen vacancies water-gas shift
DOI10.1080/15435075.2021.1875466
收录类别SCI
语种英语
资助项目Natural Science Foundation of Guangdong Province[2018A0303130212] ; Science and Technology Program of Guangzhou, China[201803030019]
WOS研究方向Thermodynamics ; Science & Technology - Other Topics ; Energy & Fuels
项目资助者Natural Science Foundation of Guangdong Province ; Science and Technology Program of Guangzhou, China
WOS类目Thermodynamics ; Green & Sustainable Science & Technology ; Energy & Fuels
WOS记录号WOS:000616544100001
出版者TAYLOR & FRANCIS INC
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/32642
专题中国科学院广州能源研究所
通讯作者Li, Xinjun
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
2.Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Chen, Yaqian,Li, Xiangnan,Li, Juan,et al. Cu nanoparticles confined in TiO2 nanotubes to enhance the water-gas shift reaction activity[J]. INTERNATIONAL JOURNAL OF GREEN ENERGY,2021:7.
APA Chen, Yaqian,Li, Xiangnan,Li, Juan,Wu, Liangpeng,&Li, Xinjun.(2021).Cu nanoparticles confined in TiO2 nanotubes to enhance the water-gas shift reaction activity.INTERNATIONAL JOURNAL OF GREEN ENERGY,7.
MLA Chen, Yaqian,et al."Cu nanoparticles confined in TiO2 nanotubes to enhance the water-gas shift reaction activity".INTERNATIONAL JOURNAL OF GREEN ENERGY (2021):7.
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