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Title: An effective strategy to enhancing tolerance to contaminants poisoning of solid oxide fuel cell cathodes

Abstract

Commercialization of solid oxide fuel cells (SOFCs) is impeded by severe cathode degradation from the poisoning effect of contaminants commonly encountered in air (such as H2O and CO2) and from other cell components (e.g., Cr species from chromium-containing interconnector). Here we report our findings in unraveling the mechanism of Cr poisoning of La.6Sr.4Co.2Fe.8O3 (LSCF) cathodes using our unique in situ/operando surface enhanced Raman spectroscopy. Further, we present an effective strategy to enhancing the tolerance to contaminants poisoning of LSCF cathode through infiltration of a hybrid catalyst coating, which is composed of a conformal film of perovskite PrNi.5Mn.5O3 (PNM) and exsoluted PrOx nano-particles. The coating is catalytically active to oxygen reduction reaction but inert to contaminant poisoning. When subjected to an accelerated Cr-poisoning test, the cells with a hybrid catalyst-coated LSCF cathode show excellent peak power density (Pmax of 0.71 Wcm-2) and significantly enhanced durability (degradation rate of 0.0434% h-1 at 0.7 V), much better than those of cells with a bare LSCF cathode (Pmax of ~0.46 Wcm-2 and degradation rate of 0.4% h-1 at 0.7 V). The results suggest that surface modification of electrodes with a coating of rationally designed catalysts is a cost-effective approach to dramatically reducing electrode degradationmore » caused by contaminations.« less

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [1]
  1. Georgia Institute of Technology, Atlanta, GA (United States)
  2. South China University of Technology (SCUT), Guangzhou (China)
Publication Date:
Research Org.:
Georgia Institute of Technology, Atlanta, GA (United States)
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1538633
Alternate Identifier(s):
OSTI ID: 1582823
Grant/Contract Number:  
AR0000502; FE0009652; FE0026106
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nano Energy
Additional Journal Information:
Journal Volume: 47; Journal Issue: C; Journal ID: ISSN 2211-2855
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; fuel cell; solid oxide fuel cell; oxygen reduction; cathode; raman spectroscopy

Citation Formats

Chen, Yu, Yoo, Seonyoung, Li, Xiaxi, Ding, Dong, Pei, Kai, Chen, Dongchang, Ding, Yong, Zhao, Bote, Murphy, Ryan, deGlee, Ben, Liu, Jiang, and Liu, Meilin. An effective strategy to enhancing tolerance to contaminants poisoning of solid oxide fuel cell cathodes. United States: N. p., 2018. Web. doi:10.1016/j.nanoen.2018.03.043.
Chen, Yu, Yoo, Seonyoung, Li, Xiaxi, Ding, Dong, Pei, Kai, Chen, Dongchang, Ding, Yong, Zhao, Bote, Murphy, Ryan, deGlee, Ben, Liu, Jiang, & Liu, Meilin. An effective strategy to enhancing tolerance to contaminants poisoning of solid oxide fuel cell cathodes. United States. https://doi.org/10.1016/j.nanoen.2018.03.043
Chen, Yu, Yoo, Seonyoung, Li, Xiaxi, Ding, Dong, Pei, Kai, Chen, Dongchang, Ding, Yong, Zhao, Bote, Murphy, Ryan, deGlee, Ben, Liu, Jiang, and Liu, Meilin. 2018. "An effective strategy to enhancing tolerance to contaminants poisoning of solid oxide fuel cell cathodes". United States. https://doi.org/10.1016/j.nanoen.2018.03.043. https://www.osti.gov/servlets/purl/1538633.
@article{osti_1538633,
title = {An effective strategy to enhancing tolerance to contaminants poisoning of solid oxide fuel cell cathodes},
author = {Chen, Yu and Yoo, Seonyoung and Li, Xiaxi and Ding, Dong and Pei, Kai and Chen, Dongchang and Ding, Yong and Zhao, Bote and Murphy, Ryan and deGlee, Ben and Liu, Jiang and Liu, Meilin},
abstractNote = {Commercialization of solid oxide fuel cells (SOFCs) is impeded by severe cathode degradation from the poisoning effect of contaminants commonly encountered in air (such as H2O and CO2) and from other cell components (e.g., Cr species from chromium-containing interconnector). Here we report our findings in unraveling the mechanism of Cr poisoning of La.6Sr.4Co.2Fe.8O3 (LSCF) cathodes using our unique in situ/operando surface enhanced Raman spectroscopy. Further, we present an effective strategy to enhancing the tolerance to contaminants poisoning of LSCF cathode through infiltration of a hybrid catalyst coating, which is composed of a conformal film of perovskite PrNi.5Mn.5O3 (PNM) and exsoluted PrOx nano-particles. The coating is catalytically active to oxygen reduction reaction but inert to contaminant poisoning. When subjected to an accelerated Cr-poisoning test, the cells with a hybrid catalyst-coated LSCF cathode show excellent peak power density (Pmax of 0.71 Wcm-2) and significantly enhanced durability (degradation rate of 0.0434% h-1 at 0.7 V), much better than those of cells with a bare LSCF cathode (Pmax of ~0.46 Wcm-2 and degradation rate of 0.4% h-1 at 0.7 V). The results suggest that surface modification of electrodes with a coating of rationally designed catalysts is a cost-effective approach to dramatically reducing electrode degradation caused by contaminations.},
doi = {10.1016/j.nanoen.2018.03.043},
url = {https://www.osti.gov/biblio/1538633}, journal = {Nano Energy},
issn = {2211-2855},
number = C,
volume = 47,
place = {United States},
year = {Thu Mar 15 00:00:00 EDT 2018},
month = {Thu Mar 15 00:00:00 EDT 2018}
}

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Cited by: 60 works
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Works referenced in this record:

Raman phonons and Raman Jahn-Teller bands in perovskite-like manganites
journal, January 2001


Sr- and Ni-Doped LaCoO[sub 3] and LaFeO[sub 3] Perovskites
journal, January 1998


A robust and active hybrid catalyst for facile oxygen reduction in solid oxide fuel cells
journal, January 2017


Materials for fuel-cell technologies
journal, November 2001


Cr Poisoning Suppression in Solid Oxide Fuel Cells Using LaNi(Fe)O[sub 3] Electrodes
journal, January 2006


Raman spectroscopic monitoring of carbon deposition on hydrocarbon-fed solid oxide fuel cell anodes
journal, January 2012


Transition Behavior for O[sub 2] Reduction Reaction on (La,Sr)MnO[sub 3]∕YSZ Composite Cathodes of Solid Oxide Fuel Cells
journal, January 2006


Chromium deposition and poisoning of cathodes of solid oxide fuel cells – A review
journal, January 2014


Enhanced chromium tolerance of La0.6Sr0.4Co0.2Fe0.8O3−δ electrode of solid oxide fuel cells by Gd0.1Ce0.9O1.95 impregnation
journal, December 2013


Application of surface enhanced Raman spectroscopy to the study of SOFC electrode surfaces
journal, January 2012


Raman spectroscopy of orthorhombic perovskitelike YMnO 3 and LaMnO 3
journal, February 1998


Monitoring Ag−Cr Interactions in SOFC Cathodes Using Raman Spectroscopy
journal, August 2008


Degradation Mechanisms of La–Sr–Co–Fe–O[sub 3] SOFC Cathodes
journal, January 2006


A high-performance cathode for the next generation of solid-oxide fuel cells
journal, September 2004


Comparative study of optical phonons in the rhombohedrally distorted perovskites LaAlO 3 and LaMnO 3
journal, February 1999


Synthesis and characterisation of La1−xCaxFeO3 perovskite-type oxide catalysts for total oxidation of volatile organic compounds
journal, May 2006


A Highly Efficient and Robust Nanofiber Cathode for Solid Oxide Fuel Cells
journal, November 2016


Mixed ionic-electronic conductivity of La1−xSrxCo1−yFeyO3−δ perovskite-type oxides
journal, January 1988


Rational SOFC material design: new advances and tools
journal, November 2011


Deposition of Cr Species at (La,Sr)(Co,Fe)O[sub 3] Cathodes of Solid Oxide Fuel Cells
journal, January 2006


Efficient Electro-Catalysts for Enhancing Surface Activity and Stability of SOFC Cathodes
journal, May 2013


Enhanced Sulfur and Coking Tolerance of a Mixed Ion Conductor for SOFCs: BaZr0.1Ce0.7Y0.2–xYbxO3–δ
journal, October 2009


La(Ni,Fe)O3 as a cathode material with high tolerance to chromium poisoning for solid oxide fuel cells
journal, June 2007


Highly chromium contaminant tolerant BaO infiltrated La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3−δ cathodes for solid oxide fuel cells
journal, January 2015


Enhancing SOFC cathode performance by surface modification through infiltration
journal, January 2014