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Title: Cobalt-Based Catalysts for Ethanol Steam Reforming: An Overview

Abstract

Cobalt has been extensively studied for its use as an alternative catalyst to noble metals for ethanol steam reforming. Among the many other catalyst supports tested, cerium oxide contributed significantly to the catalytic activity and stability of the Co/CeO2 catalyst as a result of its high oxygen mobility and storage capacity. In this paper, an overview of the research conducted in our laboratory during the past decade on ethanol steam reforming using the Co/CeO2 catalyst is presented. Here, the role of the support oxygen mobility and storage capacity of the Co/CeO2 catalyst and how the addition of calcium to the ceria support changes the oxygen vacancies in the catalyst structure are discussed. Results from in situ characterization techniques, such as X-ray diffraction, Raman spectroscopy, X-ray absorption near edge structure, and extended X-ray absorption fine structure, are summarized, showing the evolution of the cobalt phases during synthesis, pretreatment, and ethanol steam reforming reaction. Also, how the synthesis parameters, such as synthesis method, impregnation medium, choice of cobalt precursor, support morphology, and particle size, could alter the catalytic activity and selectivity have been outlined.

Authors:
 [1];  [1]
  1. The Ohio State Univ., Columbus, OH (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1328042
Grant/Contract Number:  
AC02-06CH11357; FG36-05GO15033
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Energy and Fuels
Additional Journal Information:
Journal Volume: 30; Journal Issue: 7; Journal ID: ISSN 0887-0624
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
ENGLISH
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; ethanol; catalysts; oxygen; cobalt; water; ceria; ethanol steam reforming

Citation Formats

Sohn, Hyuntae, and Ozkan, Umit S. Cobalt-Based Catalysts for Ethanol Steam Reforming: An Overview. United States: N. p., 2016. Web. doi:10.1021/acs.energyfuels.6b00577.
Sohn, Hyuntae, & Ozkan, Umit S. Cobalt-Based Catalysts for Ethanol Steam Reforming: An Overview. United States. https://doi.org/10.1021/acs.energyfuels.6b00577
Sohn, Hyuntae, and Ozkan, Umit S. 2016. "Cobalt-Based Catalysts for Ethanol Steam Reforming: An Overview". United States. https://doi.org/10.1021/acs.energyfuels.6b00577. https://www.osti.gov/servlets/purl/1328042.
@article{osti_1328042,
title = {Cobalt-Based Catalysts for Ethanol Steam Reforming: An Overview},
author = {Sohn, Hyuntae and Ozkan, Umit S.},
abstractNote = {Cobalt has been extensively studied for its use as an alternative catalyst to noble metals for ethanol steam reforming. Among the many other catalyst supports tested, cerium oxide contributed significantly to the catalytic activity and stability of the Co/CeO2 catalyst as a result of its high oxygen mobility and storage capacity. In this paper, an overview of the research conducted in our laboratory during the past decade on ethanol steam reforming using the Co/CeO2 catalyst is presented. Here, the role of the support oxygen mobility and storage capacity of the Co/CeO2 catalyst and how the addition of calcium to the ceria support changes the oxygen vacancies in the catalyst structure are discussed. Results from in situ characterization techniques, such as X-ray diffraction, Raman spectroscopy, X-ray absorption near edge structure, and extended X-ray absorption fine structure, are summarized, showing the evolution of the cobalt phases during synthesis, pretreatment, and ethanol steam reforming reaction. Also, how the synthesis parameters, such as synthesis method, impregnation medium, choice of cobalt precursor, support morphology, and particle size, could alter the catalytic activity and selectivity have been outlined.},
doi = {10.1021/acs.energyfuels.6b00577},
url = {https://www.osti.gov/biblio/1328042}, journal = {Energy and Fuels},
issn = {0887-0624},
number = 7,
volume = 30,
place = {United States},
year = {Tue Apr 26 00:00:00 EDT 2016},
month = {Tue Apr 26 00:00:00 EDT 2016}
}

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Cited by: 66 works
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Works referencing / citing this record:

Recent advances in membrane reactors for hydrogen production by steam reforming of ethanol as a renewable resource
journal, March 2019


Stability evaluation of ethanol dry reforming on Lanthania‐doped cobalt‐based catalysts for hydrogen‐rich syngas generation
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Ethylene glycol dry reforming for syngas generation on Ce-promoted Co/Al2O3 catalysts
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Effect of Ce Doping of a Co/Al2O3 Catalyst on Hydrogen Production via Propane Steam Reforming
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