Ce0.9Sr0.1Cr0.5Mn0.5O3− δ as the anode materials for solid oxide fuel cells running on H2 and H2S
Identifieur interne : 000D48 ( Main/Exploration ); précédent : 000D47; suivant : 000D49Ce0.9Sr0.1Cr0.5Mn0.5O3− δ as the anode materials for solid oxide fuel cells running on H2 and H2S
Auteurs : Xiufang Zhu [République populaire de Chine] ; Han Yan [République populaire de Chine] ; Qin Zhong [République populaire de Chine] ; Xuejun Zhao [République populaire de Chine] ; Wenyi Tan [République populaire de Chine]Source :
- Korean Journal of Chemical Engineering [ 0256-1115 ] ; 2011-08-01.
Descripteurs français
- Wicri :
- topic : Hydrogène.
English descriptors
Abstract
Abstract: Perovskite-type Ce0.9Sr0.1Cr0.5Mn0.5O3−δ (CSCMn) was synthesized and evaluated as anode for solid oxygen fuel cells based on Ce0.8Sm0.2O1.9 (SDC). The conductivities of CSCMn were evaluated with DC four-probe method in 3% H2-N2 and 5% H2S-N2 at 450–700 °C, respectively. The compositions of CSCMn powders were studied by XRD and thermodynamic calculations. Meanwhile, sintering temperatures affecting phases of CSCMn is also proposed with XRD, and the analysis is given with thermodynamic calculations. CSCMn exhibits good chemical compatibility with electrolyte (SDC) in N2. After exposure to 5% H2S-N2 for 5 h at 800 °C, CSCMn crystal structures change and some sulfides are detected, as evidenced by XRD and Raman analyses. The electrochemical properties are measured for the cell comprising CSCMn-SDC/SDC/Ag in 5% H2S-N2 at 600 °C and in 3% H2-N2 at 450 and 500 °C. The electrochemical impedance spectrum (EIS) is used to analyze ohm and polarization resistance of the cell at various temperatures.
Url:
DOI: 10.1007/s11814-011-0033-5
Affiliations:
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Chem. Eng.</title><idno type="ISSN">0256-1115</idno><idno type="eISSN">1975-7220</idno><imprint><publisher>Springer US; http://www.springer-ny.com</publisher><pubPlace>Boston</pubPlace><date type="published" when="2011-08-01">2011-08-01</date><biblScope unit="volume">28</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="1764">1764</biblScope><biblScope unit="page" to="1769">1769</biblScope></imprint><idno type="ISSN">0256-1115</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0256-1115</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anode Catalyst</term><term>Electrical Conductivity</term><term>Hydrogen</term><term>Hydrogen Sulfide</term><term>Solid Oxygen Fuel Cell</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Hydrogène</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Perovskite-type Ce0.9Sr0.1Cr0.5Mn0.5O3−δ (CSCMn) was synthesized and evaluated as anode for solid oxygen fuel cells based on Ce0.8Sm0.2O1.9 (SDC). The conductivities of CSCMn were evaluated with DC four-probe method in 3% H2-N2 and 5% H2S-N2 at 450–700 °C, respectively. The compositions of CSCMn powders were studied by XRD and thermodynamic calculations. Meanwhile, sintering temperatures affecting phases of CSCMn is also proposed with XRD, and the analysis is given with thermodynamic calculations. CSCMn exhibits good chemical compatibility with electrolyte (SDC) in N2. After exposure to 5% H2S-N2 for 5 h at 800 °C, CSCMn crystal structures change and some sulfides are detected, as evidenced by XRD and Raman analyses. The electrochemical properties are measured for the cell comprising CSCMn-SDC/SDC/Ag in 5% H2S-N2 at 600 °C and in 3% H2-N2 at 450 and 500 °C. The electrochemical impedance spectrum (EIS) is used to analyze ohm and polarization resistance of the cell at various temperatures.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Zhu, Xiufang" sort="Zhu, Xiufang" uniqKey="Zhu X" first="Xiufang" last="Zhu">Xiufang Zhu</name></noRegion><name sortKey="Tan, Wenyi" sort="Tan, Wenyi" uniqKey="Tan W" first="Wenyi" last="Tan">Wenyi Tan</name><name sortKey="Yan, Han" sort="Yan, Han" uniqKey="Yan H" first="Han" last="Yan">Han Yan</name><name sortKey="Zhao, Xuejun" sort="Zhao, Xuejun" uniqKey="Zhao X" first="Xuejun" last="Zhao">Xuejun Zhao</name><name sortKey="Zhong, Qin" sort="Zhong, Qin" uniqKey="Zhong Q" first="Qin" last="Zhong">Qin Zhong</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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