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Title: Cu‐Decorated ZnO Nanorod Array Integrated Structured Catalysts for Low‐Pressure CO 2 Hydrogenation to Methanol

Abstract

Abstract CO 2 conversion into valuable chemicals and fuels, such as methanol, is one of the most practical routes for utilizing emitted CO 2 and mitigating global warming. Herein, a 3D Cu‐decorated ZnO nanorod array based structured catalysts for efficient thermochemical CO 2 hydrogenation to methanol at relatively low pressures (<10 atm) is successfully fabricated and demonstrated. This new type of nanorod array integrated structured catalysts has yielded a methanol formation rate of 1.9 mol h −1 kg −1 with a methanol selectivity of 56%, rivaling the state‐of‐the‐art powder‐form catalysts. The well‐dispersed copper species on the array structure as well as the array‐structure‐enhanced interfacial effect are key factors that improve the activity of the nanorod array catalysts in CO 2 hydrogenation. The Cu‐ZnO nanorod array interface also suppresses reverse water‐gas shift reaction, reducing the selectivity to CO. Further improvement of the performance of the nanorod array based catalysts is demonstrated by tuning the ZnO nanorod array length. The developed nanorod array integrated monolithic catalysts also exhibit good stability during a long‐time continuous operation, demonstrating the potential and the feasibility of their practical implementation in industrial situation.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]
  1. Department of Materials Science and Engineering and Institute of Materials Science University of Connecticut Storrs CT 06269‐3136 USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1410830
Grant/Contract Number:  
DE‐EE0006854
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Advanced Materials Interfaces
Additional Journal Information:
Journal Name: Advanced Materials Interfaces Journal Volume: 5 Journal Issue: 3; Journal ID: ISSN 2196-7350
Publisher:
Wiley Blackwell (John Wiley & Sons)
Country of Publication:
Germany
Language:
English

Citation Formats

Du, Shoucheng, Tang, Wenxiang, Lu, Xingxu, Wang, Sibo, Guo, Yanbing, and Gao, Pu‐Xian. Cu‐Decorated ZnO Nanorod Array Integrated Structured Catalysts for Low‐Pressure CO 2 Hydrogenation to Methanol. Germany: N. p., 2017. Web. doi:10.1002/admi.201700730.
Du, Shoucheng, Tang, Wenxiang, Lu, Xingxu, Wang, Sibo, Guo, Yanbing, & Gao, Pu‐Xian. Cu‐Decorated ZnO Nanorod Array Integrated Structured Catalysts for Low‐Pressure CO 2 Hydrogenation to Methanol. Germany. https://doi.org/10.1002/admi.201700730
Du, Shoucheng, Tang, Wenxiang, Lu, Xingxu, Wang, Sibo, Guo, Yanbing, and Gao, Pu‐Xian. Fri . "Cu‐Decorated ZnO Nanorod Array Integrated Structured Catalysts for Low‐Pressure CO 2 Hydrogenation to Methanol". Germany. https://doi.org/10.1002/admi.201700730.
@article{osti_1410830,
title = {Cu‐Decorated ZnO Nanorod Array Integrated Structured Catalysts for Low‐Pressure CO 2 Hydrogenation to Methanol},
author = {Du, Shoucheng and Tang, Wenxiang and Lu, Xingxu and Wang, Sibo and Guo, Yanbing and Gao, Pu‐Xian},
abstractNote = {Abstract CO 2 conversion into valuable chemicals and fuels, such as methanol, is one of the most practical routes for utilizing emitted CO 2 and mitigating global warming. Herein, a 3D Cu‐decorated ZnO nanorod array based structured catalysts for efficient thermochemical CO 2 hydrogenation to methanol at relatively low pressures (<10 atm) is successfully fabricated and demonstrated. This new type of nanorod array integrated structured catalysts has yielded a methanol formation rate of 1.9 mol h −1 kg −1 with a methanol selectivity of 56%, rivaling the state‐of‐the‐art powder‐form catalysts. The well‐dispersed copper species on the array structure as well as the array‐structure‐enhanced interfacial effect are key factors that improve the activity of the nanorod array catalysts in CO 2 hydrogenation. The Cu‐ZnO nanorod array interface also suppresses reverse water‐gas shift reaction, reducing the selectivity to CO. Further improvement of the performance of the nanorod array based catalysts is demonstrated by tuning the ZnO nanorod array length. The developed nanorod array integrated monolithic catalysts also exhibit good stability during a long‐time continuous operation, demonstrating the potential and the feasibility of their practical implementation in industrial situation.},
doi = {10.1002/admi.201700730},
journal = {Advanced Materials Interfaces},
number = 3,
volume = 5,
place = {Germany},
year = {Fri Dec 01 00:00:00 EST 2017},
month = {Fri Dec 01 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1002/admi.201700730

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Cited by: 20 works
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