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Title: Controllable deposition of platinum layers on oxide surfaces for the synthesis of fuel cell catalysts

Abstract

Abstract Reducing the amount of Pt, the most costly component of both anode and cathode fuel cell catalysts, has attracted considerable attention from the research community. An approach is reported herein to deposit sub‐monolayer to multilayer amounts of Pt and other noble metals on metal oxides and oxidized carbon materials. The process is exemplified by Pt deposition on RuO 2 (110). The Pt deposit consists of Pt atoms arranged in a c (2×2) array, that is, a 0.25 monolayer (ML). The deposit has lower catalytic activity for the oxygen reduction reaction (ORR) and similar activity for the hydrogen oxidation reaction compared to Pt(111). These activities are explained by a large calculated upshift of the d‐band center of Pt atoms and larger Pt–Pt interatomic distances than those of Pt(111). A catalyst with Pt coverage larger than 0.25 ML on oxide surfaces and oxidized carbon materials is shown to be active for the ORR as well as for other electrocatalytic reactions. A PtRhSnO 2 /C catalyst shows high activity for ethanol oxidation as a result of its ability to effectively cleave the C−C bond in ethanol. Pt deposited on reduced graphene oxide shows high Pt mass ORR activity and good stability.

Authors:
 [1];  [1];  [2];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Jinan Univ., Guangdong (China)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1326755
Alternate Identifier(s):
OSTI ID: 1401479
Report Number(s):
BNL-112650-2016-JA
Journal ID: ISSN 2196-0216; R&D Project: MA510MAEA; KC0302010
Grant/Contract Number:  
SC00112704; SC0012704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
ChemElectroChem
Additional Journal Information:
Journal Name: ChemElectroChem; Journal ID: ISSN 2196-0216
Publisher:
ChemPubSoc Europe
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Vukmirovic, Miomir B., Kuttiyiel, Kurian A., Meng, Hui, and Adzic, Radoslav R. Controllable deposition of platinum layers on oxide surfaces for the synthesis of fuel cell catalysts. United States: N. p., 2016. Web. doi:10.1002/celc.201600255.
Vukmirovic, Miomir B., Kuttiyiel, Kurian A., Meng, Hui, & Adzic, Radoslav R. Controllable deposition of platinum layers on oxide surfaces for the synthesis of fuel cell catalysts. United States. https://doi.org/10.1002/celc.201600255
Vukmirovic, Miomir B., Kuttiyiel, Kurian A., Meng, Hui, and Adzic, Radoslav R. 2016. "Controllable deposition of platinum layers on oxide surfaces for the synthesis of fuel cell catalysts". United States. https://doi.org/10.1002/celc.201600255. https://www.osti.gov/servlets/purl/1326755.
@article{osti_1326755,
title = {Controllable deposition of platinum layers on oxide surfaces for the synthesis of fuel cell catalysts},
author = {Vukmirovic, Miomir B. and Kuttiyiel, Kurian A. and Meng, Hui and Adzic, Radoslav R.},
abstractNote = {Abstract Reducing the amount of Pt, the most costly component of both anode and cathode fuel cell catalysts, has attracted considerable attention from the research community. An approach is reported herein to deposit sub‐monolayer to multilayer amounts of Pt and other noble metals on metal oxides and oxidized carbon materials. The process is exemplified by Pt deposition on RuO 2 (110). The Pt deposit consists of Pt atoms arranged in a c (2×2) array, that is, a 0.25 monolayer (ML). The deposit has lower catalytic activity for the oxygen reduction reaction (ORR) and similar activity for the hydrogen oxidation reaction compared to Pt(111). These activities are explained by a large calculated upshift of the d‐band center of Pt atoms and larger Pt–Pt interatomic distances than those of Pt(111). A catalyst with Pt coverage larger than 0.25 ML on oxide surfaces and oxidized carbon materials is shown to be active for the ORR as well as for other electrocatalytic reactions. A PtRhSnO 2 /C catalyst shows high activity for ethanol oxidation as a result of its ability to effectively cleave the C−C bond in ethanol. Pt deposited on reduced graphene oxide shows high Pt mass ORR activity and good stability.},
doi = {10.1002/celc.201600255},
url = {https://www.osti.gov/biblio/1326755}, journal = {ChemElectroChem},
issn = {2196-0216},
number = ,
volume = ,
place = {United States},
year = {Tue Sep 13 00:00:00 EDT 2016},
month = {Tue Sep 13 00:00:00 EDT 2016}
}

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Cited by: 4 works
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