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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

Abstract

Direct ethanol fuel cell (DEFC) is a promising technology for generating electricity via the electro-oxidation of liquid ethanol. Its implementation requires the development of anode catalysts capable of producing CO2 and yielding 12-electron transfer through breaking C-C bond of ethanol. Here we presented comprehensive studies of electro-kinetics of the CO2 generation on Pt/Rh/Sn ternary catalysts. Our studies showed that, for the first time, the tri–phase PtRhOx- SnO2 catalysts with a partially oxidized Pt and Rh core and a SnO2 shell, validated by X-ray absorption analyses and scanning transmission electron microscope-electron energy loss spectroscopy line scan, coincided with a 2.5-fold increase in the CO2 generation rate towards ethanol oxidation reaction, compared with the bi-phase PtRh-SnO2 catalysts with a metallic PtRh alloy core and commercial Pt. These studies provided insight on the design of a new genre of electro-catalysts with a partially oxidized noble metal.

Authors:
 [1];  [2];  [3];  [1]
  1. Univ. of New Hampshire, Durham, NH (United States)
  2. Stony Brook Univ., NY (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
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. doi: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. doi: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 = {Direct ethanol fuel cell (DEFC) is a promising technology for generating electricity via the electro-oxidation of liquid ethanol. Its implementation requires the development of anode catalysts capable of producing CO2 and yielding 12-electron transfer through breaking C-C bond of ethanol. Here we presented comprehensive studies of electro-kinetics of the CO2 generation on Pt/Rh/Sn ternary catalysts. Our studies showed that, for the first time, the tri–phase PtRhOx- SnO2 catalysts with a partially oxidized Pt and Rh core and a SnO2 shell, validated by X-ray absorption analyses and scanning transmission electron microscope-electron energy loss spectroscopy line scan, coincided with a 2.5-fold increase in the CO2 generation rate towards ethanol oxidation reaction, compared with the bi-phase PtRh-SnO2 catalysts with a metallic PtRh alloy core and commercial Pt. These studies provided insight on the design of a new genre of electro-catalysts with a partially oxidized noble metal.},
doi = {10.1002/cctc.201600429},
journal = {ChemCatChem (Online)},
number = 18,
volume = 8,
place = {United States},
year = {2016},
month = {9}
}

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Cited by: 3 works
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    Works referencing / citing this record:

    Design and assembly of ternary Pt/Re/SnO2 NPs by controlling the zeta potential of individual Pt, Re, and SnO2 NPs
    journal, May 2018

    • Drzymała, Elżbieta; Gruzeł, Grzegorz; Pajor-Świerzy, Anna
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    Design and assembly of ternary Pt/Re/SnO2 NPs by controlling the zeta potential of individual Pt, Re, and SnO2 NPs
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