Enhanced Electro-Kinetics of C-C Bond-Splitting during Ethanol Oxidation Reaction using Pt/Rh/Sn Catalyst with a Partially Oxidized Pt and Rh Core and a SnO2 Shell
Abstract
Abstract Direct ethanol fuel cells (DEFCs) are a promising technology for generating electricity through the electro‐oxidation of liquid ethanol. Its implementation requires the development of anode catalysts capable of producing CO 2 and yielding 12‐electron transfer through breaking the C−C bond of ethanol. Here, we presented comprehensive studies of the electrokinetics of CO 2 generation on Pt/Rh/Sn ternary catalysts. Our studies showed that the triphasic PtRhO x –SnO 2 catalysts with a partially oxidized Pt and Rh core and a SnO 2 shell, validated by X‐ray absorption analyses and scanning transmission electron microscope‐electron energy loss spectroscopy line scans, coincided with a 2.5‐fold increase in the CO 2 generation rate towards ethanol oxidation reaction, compared with the biphasic PtRh‐SnO 2 catalysts with a metallic PtRh alloy core and commercial Pt. These studies provided insight into the design of a new genre of electrocatalysts with a partially oxidized noble metal.
- Authors:
-
- Univ. of New Hampshire, Durham, NH (United States)
- Stony Brook Univ., NY (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1329802
- Alternate Identifier(s):
- OSTI ID: 1401703
- Report Number(s):
- BNL-112746-2016-JA
Journal ID: ISSN 1867-3899; R&D Project: 16060; 16060; KC0403020
- Grant/Contract Number:
- SC00112704; SC0012335
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ChemCatChem (Online)
- Additional Journal Information:
- Journal Name: ChemCatChem (Online); Journal Volume: 8; Journal Issue: 18; Journal ID: ISSN 1867-3899
- Publisher:
- ChemPubSoc Europe
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 29 ENERGY PLANNING, POLICY, AND ECONOMY; PtRhOx-SnO2; Ethanol Oxidation Reaction; C-C Bond; Center for Functional Nanomaterials
Citation Formats
Yang, G., Su, D., Frenkel, A. I., and Teng, X. Enhanced Electro-Kinetics of C-C Bond-Splitting during Ethanol Oxidation Reaction using Pt/Rh/Sn Catalyst with a Partially Oxidized Pt and Rh Core and a SnO2 Shell. United States: N. p., 2016.
Web. doi:10.1002/cctc.201600429.
Yang, G., Su, D., Frenkel, A. I., & Teng, X. Enhanced Electro-Kinetics of C-C Bond-Splitting during Ethanol Oxidation Reaction using Pt/Rh/Sn Catalyst with a Partially Oxidized Pt and Rh Core and a SnO2 Shell. United States. https://doi.org/10.1002/cctc.201600429
Yang, G., Su, D., Frenkel, A. I., and Teng, X. Sun .
"Enhanced Electro-Kinetics of C-C Bond-Splitting during Ethanol Oxidation Reaction using Pt/Rh/Sn Catalyst with a Partially Oxidized Pt and Rh Core and a SnO2 Shell". United States. https://doi.org/10.1002/cctc.201600429. https://www.osti.gov/servlets/purl/1329802.
@article{osti_1329802,
title = {Enhanced Electro-Kinetics of C-C Bond-Splitting during Ethanol Oxidation Reaction using Pt/Rh/Sn Catalyst with a Partially Oxidized Pt and Rh Core and a SnO2 Shell},
author = {Yang, G. and Su, D. and Frenkel, A. I. and Teng, X.},
abstractNote = {Abstract Direct ethanol fuel cells (DEFCs) are a promising technology for generating electricity through the electro‐oxidation of liquid ethanol. Its implementation requires the development of anode catalysts capable of producing CO 2 and yielding 12‐electron transfer through breaking the C−C bond of ethanol. Here, we presented comprehensive studies of the electrokinetics of CO 2 generation on Pt/Rh/Sn ternary catalysts. Our studies showed that the triphasic PtRhO x –SnO 2 catalysts with a partially oxidized Pt and Rh core and a SnO 2 shell, validated by X‐ray absorption analyses and scanning transmission electron microscope‐electron energy loss spectroscopy line scans, coincided with a 2.5‐fold increase in the CO 2 generation rate towards ethanol oxidation reaction, compared with the biphasic PtRh‐SnO 2 catalysts with a metallic PtRh alloy core and commercial Pt. These studies provided insight into the design of a new genre of electrocatalysts with a partially oxidized noble metal.},
doi = {10.1002/cctc.201600429},
journal = {ChemCatChem (Online)},
number = 18,
volume = 8,
place = {United States},
year = {Sun Sep 04 00:00:00 EDT 2016},
month = {Sun Sep 04 00:00:00 EDT 2016}
}
Web of Science
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