Co-infiltration of Nickel and Mixed Conducting Gd0.1Ce0.9O2-δ and La0.6Sr0.3Ni0.15Cr0.85O3-δ Phases in Ni-YSZ Anodes for Improved Stability and Performance
Abstract
Liquid-phase infiltration of nickel (Ni) nanoparticles in Ni/yttria-stabilized-zirconia (YSZ) cermet anodes for solid oxide fuel cells can improve anode performance provided that the infiltrated nanoparticles on YSZ connect to form conducting pathways and the Ni nanoparticles do not coarsen significantly. This study explores liquid phase co-infiltration of Ni with mixed conducting oxides, the latter providing microstructural stability and conductive pathways between Ni nanoparticles. Two mixed conducting oxides have been studied: Gd0.1Ce0.9O2-δ (GDC), a predominantly ionic conductor, and La0.6Sr0.3Ni0.15Cr0.85O3-δ (LSNC), a predominantly electronic conductor. Experimental results show that both oxides improve the nickel nanoparticle stability and charge transfer kinetics. However, the electrochemical performance of the Ni-GDC-infiltrated electrode is much better than that of the Ni-LSNC-infiltrated electrode. This is attributed to the citrate–nitrate combustion reaction required to form LSNC, which fills the pores of the anode and inhibits gas diffusion, reducing the performance of the Ni-LSNC-infiltrated electrode.
- Publication Date:
- Research Org.:
- Boston Univ., MA (United States)
- Sponsoring Org.:
- USDOE Office of Fossil Energy (FE)
- OSTI Identifier:
- 1833228
- Grant/Contract Number:
- FE0026096
- Resource Type:
- Accepted Manuscript
- Journal Name:
- JOM. Journal of the Minerals, Metals & Materials Society
- Additional Journal Information:
- Journal Volume: 71; Journal Issue: 11; Journal ID: ISSN 1047-4838
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Lu, Yanchen, Gasper, Paul, Nikiforov, Alexey Y., Pal, Uday B., Gopalan, Srikanth, and Basu, Soumendra N. Co-infiltration of Nickel and Mixed Conducting Gd0.1Ce0.9O2-δ and La0.6Sr0.3Ni0.15Cr0.85O3-δ Phases in Ni-YSZ Anodes for Improved Stability and Performance. United States: N. p., 2019.
Web. doi:10.1007/s11837-019-03723-1.
Lu, Yanchen, Gasper, Paul, Nikiforov, Alexey Y., Pal, Uday B., Gopalan, Srikanth, & Basu, Soumendra N. Co-infiltration of Nickel and Mixed Conducting Gd0.1Ce0.9O2-δ and La0.6Sr0.3Ni0.15Cr0.85O3-δ Phases in Ni-YSZ Anodes for Improved Stability and Performance. United States. https://doi.org/10.1007/s11837-019-03723-1
Lu, Yanchen, Gasper, Paul, Nikiforov, Alexey Y., Pal, Uday B., Gopalan, Srikanth, and Basu, Soumendra N. Tue .
"Co-infiltration of Nickel and Mixed Conducting Gd0.1Ce0.9O2-δ and La0.6Sr0.3Ni0.15Cr0.85O3-δ Phases in Ni-YSZ Anodes for Improved Stability and Performance". United States. https://doi.org/10.1007/s11837-019-03723-1. https://www.osti.gov/servlets/purl/1833228.
@article{osti_1833228,
title = {Co-infiltration of Nickel and Mixed Conducting Gd0.1Ce0.9O2-δ and La0.6Sr0.3Ni0.15Cr0.85O3-δ Phases in Ni-YSZ Anodes for Improved Stability and Performance},
author = {Lu, Yanchen and Gasper, Paul and Nikiforov, Alexey Y. and Pal, Uday B. and Gopalan, Srikanth and Basu, Soumendra N.},
abstractNote = {Liquid-phase infiltration of nickel (Ni) nanoparticles in Ni/yttria-stabilized-zirconia (YSZ) cermet anodes for solid oxide fuel cells can improve anode performance provided that the infiltrated nanoparticles on YSZ connect to form conducting pathways and the Ni nanoparticles do not coarsen significantly. This study explores liquid phase co-infiltration of Ni with mixed conducting oxides, the latter providing microstructural stability and conductive pathways between Ni nanoparticles. Two mixed conducting oxides have been studied: Gd0.1Ce0.9O2-δ (GDC), a predominantly ionic conductor, and La0.6Sr0.3Ni0.15Cr0.85O3-δ (LSNC), a predominantly electronic conductor. Experimental results show that both oxides improve the nickel nanoparticle stability and charge transfer kinetics. However, the electrochemical performance of the Ni-GDC-infiltrated electrode is much better than that of the Ni-LSNC-infiltrated electrode. This is attributed to the citrate–nitrate combustion reaction required to form LSNC, which fills the pores of the anode and inhibits gas diffusion, reducing the performance of the Ni-LSNC-infiltrated electrode.},
doi = {10.1007/s11837-019-03723-1},
journal = {JOM. Journal of the Minerals, Metals & Materials Society},
number = 11,
volume = 71,
place = {United States},
year = {Tue Aug 13 00:00:00 EDT 2019},
month = {Tue Aug 13 00:00:00 EDT 2019}
}
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