skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Ruthenium as a CO-tolerant hydrogen oxidation catalyst for solid acid fuel cells

Abstract

Here, carbon supported Ru nanoparticles were implemented in composite anodes of fuel-generating hydrogen pumps and electricity-generating fuel cells based on the inorganic proton conductor CsH 2PO 4. In cells operating at 250 °C, Ru catalysts are more tolerant to CO than Pt at cell currents greater than 500 mA cm –2 and are stable in a fuel stream containing 10% CO for over 160 hours. Hydrogen-air fuel cells fabricated with Ru-based anodes performed comparably to those with Pt-based anodes in both pure hydrogen and in a hydrogen-rich simulated reformate containing 10% CO.

Authors:
 [1];  [1];  [2];  [3]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1286928
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Materials Chemistry. A; Journal Volume: 3; Journal Issue: 7
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; 36 MATERIALS SCIENCE

Citation Formats

Papandrew, Alexander B., Atkinson, III, Robert W., Unocic, Raymond R., and Zawodzinski, Jr., Thomas A. Ruthenium as a CO-tolerant hydrogen oxidation catalyst for solid acid fuel cells. United States: N. p., 2015. Web. doi:10.1039/C4TA06451H.
Papandrew, Alexander B., Atkinson, III, Robert W., Unocic, Raymond R., & Zawodzinski, Jr., Thomas A. Ruthenium as a CO-tolerant hydrogen oxidation catalyst for solid acid fuel cells. United States. doi:10.1039/C4TA06451H.
Papandrew, Alexander B., Atkinson, III, Robert W., Unocic, Raymond R., and Zawodzinski, Jr., Thomas A. Thu . "Ruthenium as a CO-tolerant hydrogen oxidation catalyst for solid acid fuel cells". United States. doi:10.1039/C4TA06451H.
@article{osti_1286928,
title = {Ruthenium as a CO-tolerant hydrogen oxidation catalyst for solid acid fuel cells},
author = {Papandrew, Alexander B. and Atkinson, III, Robert W. and Unocic, Raymond R. and Zawodzinski, Jr., Thomas A},
abstractNote = {Here, carbon supported Ru nanoparticles were implemented in composite anodes of fuel-generating hydrogen pumps and electricity-generating fuel cells based on the inorganic proton conductor CsH2PO4. In cells operating at 250 °C, Ru catalysts are more tolerant to CO than Pt at cell currents greater than 500 mA cm–2 and are stable in a fuel stream containing 10% CO for over 160 hours. Hydrogen-air fuel cells fabricated with Ru-based anodes performed comparably to those with Pt-based anodes in both pure hydrogen and in a hydrogen-rich simulated reformate containing 10% CO.},
doi = {10.1039/C4TA06451H},
journal = {Journal of Materials Chemistry. A},
number = 7,
volume = 3,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 2015},
month = {Thu Jan 01 00:00:00 EST 2015}
}