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

Yang, G.; Su, D.; Frenkel, A. I.; Teng, X.

doi:10.1002/cctc.201600429

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

Journal Article · Sun Sep 04 00:00:00 EDT 2016 · ChemCatChem (Online)

DOI:https://doi.org/10.1002/cctc.201600429· OSTI ID:1329802

Yang, G. ^[1]; Su, D. ^[2]; Frenkel, A. I. ^[3]; Teng, X. ^[1]

Univ. of New Hampshire, Durham, NH (United States)
Stony Brook Univ., NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)

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.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC00112704; SC0012335

OSTI ID:: 1329802

Alternate ID(s):: OSTI ID: 1401703

Report Number(s):: BNL-112746-2016-JA; R&D Project: 16060; 16060; KC0403020

Journal Information:: ChemCatChem (Online), Vol. 8, Issue 18; ISSN 1867-3899

Publisher:: ChemPubSoc EuropeCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 26 works

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Understanding the Role of SnO ₂ Support in Water‐Tolerant Methane Combustion: In situ Observation of Pd(OH) ₂ and Comparison with Pd/Al ₂ O ₃ Barrett, William; Shen, Jing; Hu, Yongfeng ChemCatChem, Vol. 12, Issue 3 https://doi.org/10.1002/cctc.201901744	journal	December 2019
Design and assembly of ternary Pt/Re/SnO2 NPs by controlling the zeta potential of individual Pt, Re, and SnO2 NPs Drzymała, Elżbieta; Gruzeł, Grzegorz; Pajor-Świerzy, Anna Journal of Nanoparticle Research, Vol. 20, Issue 5 https://doi.org/10.1007/s11051-018-4244-0	journal	May 2018
Electrochemical Characterization of Low-Temperature Direct Ethanol Fuel Cells using Direct and Alternate Current Methods Wnuk, Paweł; Jurczakowski, Rafał; Lewera, Adam Electrocatalysis, Vol. 11, Issue 2 https://doi.org/10.1007/s12678-019-00559-w	journal	October 2019
Porous Pt–NiO _x nanostructures with ultrasmall building blocks and enhanced electrocatalytic activity for the ethanol oxidation reaction Li, Bangquan; Fan, Hongsheng; Cheng, Ming RSC Advances, Vol. 8, Issue 2 https://doi.org/10.1039/c7ra11575j	journal	January 2018
Gum Kondagogu/Reduced Graphene Oxide Framed Platinum Nanoparticles and Their Catalytic Role Venkateshaiah, Abhilash; Silvestri, Daniele; Ramakrishnan, Rohith K. Molecules, Vol. 24, Issue 20, p. 3643 https://doi.org/10.3390/molecules24203643	journal	October 2019
Electrochemical Characterization of Low-Temperature Direct Ethanol Fuel Cells Using Direct and Alternate Current Methods Wnuk, Pawel; Jurczakowski, Rafal; Lewera, Adam Catalysis https://doi.org/10.26434/chemrxiv.8787311	posted_content	July 2019
Electrochemical Characterization of Low-Temperature Direct Ethanol Fuel Cells Using Direct and Alternate Current Methods Wnum, Pawel; Jurczakowski, Rafal; Lewera, Adam Catalysis https://doi.org/10.26434/chemrxiv.8787311.v1	journal	July 2019

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