Temperature and Impurity Concentration Effects on Degradation of Nickel/Yttria‐stabilised Zirconia Anode in PH 3 ‐Containing Coal Syngas
Degradation of the Ni/yttria‐stabilised zirconia (YSZ) anode of the solid oxide fuel cell has been evaluated in the coal syngas containing different PH 3 concentrations in the temperature range from 750 to 900 °C. Thermodynamic equilibrium calculations show that PH 3 in the coal syngas gas is conver...
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| Veröffentlicht in: | Fuel cells (Weinheim an der Bergstrasse, Germany) Germany), 2010-02, Vol.10 (1), p.174-180 |
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| creator | Zhi, M. Cayan, F. N. Celik, I. Gemmen, R. Pakalapati, S. R. Wu, N. Q. |
| description | Degradation of the Ni/yttria‐stabilised zirconia (YSZ) anode of the solid oxide fuel cell has been evaluated in the coal syngas containing different PH
3
concentrations in the temperature range from 750 to 900 °C. Thermodynamic equilibrium calculations show that PH
3
in the coal syngas gas is converted mostly to P
2
O
3
at 750–900 °C. The phosphorous impurity reacts with the Ni‐YSZ anode to form phosphates. The P‐impurity poisoning leads to the deactivation of the Ni catalyst and to the reduction in the electronic conductivity of the anode. The impurity poisoning effect on the anode is exacerbated by increase in the temperature and/or the PH
3
concentration. |
| doi_str_mv | 10.1002/fuce.200900016 |
| format | Article |
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3
concentrations in the temperature range from 750 to 900 °C. Thermodynamic equilibrium calculations show that PH
3
in the coal syngas gas is converted mostly to P
2
O
3
at 750–900 °C. The phosphorous impurity reacts with the Ni‐YSZ anode to form phosphates. The P‐impurity poisoning leads to the deactivation of the Ni catalyst and to the reduction in the electronic conductivity of the anode. The impurity poisoning effect on the anode is exacerbated by increase in the temperature and/or the PH
3
concentration.</description><identifier>ISSN: 1615-6846</identifier><identifier>EISSN: 1615-6854</identifier><identifier>DOI: 10.1002/fuce.200900016</identifier><language>eng</language><ispartof>Fuel cells (Weinheim an der Bergstrasse, Germany), 2010-02, Vol.10 (1), p.174-180</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c846-24088eef9c855b9cbddf09b9cafead2050bb4e6ea5ccfa2c93de321124d38a833</citedby><cites>FETCH-LOGICAL-c846-24088eef9c855b9cbddf09b9cafead2050bb4e6ea5ccfa2c93de321124d38a833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids></links><search><creatorcontrib>Zhi, M.</creatorcontrib><creatorcontrib>Cayan, F. N.</creatorcontrib><creatorcontrib>Celik, I.</creatorcontrib><creatorcontrib>Gemmen, R.</creatorcontrib><creatorcontrib>Pakalapati, S. R.</creatorcontrib><creatorcontrib>Wu, N. Q.</creatorcontrib><title>Temperature and Impurity Concentration Effects on Degradation of Nickel/Yttria‐stabilised Zirconia Anode in PH 3 ‐Containing Coal Syngas</title><title>Fuel cells (Weinheim an der Bergstrasse, Germany)</title><description>Degradation of the Ni/yttria‐stabilised zirconia (YSZ) anode of the solid oxide fuel cell has been evaluated in the coal syngas containing different PH
3
concentrations in the temperature range from 750 to 900 °C. Thermodynamic equilibrium calculations show that PH
3
in the coal syngas gas is converted mostly to P
2
O
3
at 750–900 °C. The phosphorous impurity reacts with the Ni‐YSZ anode to form phosphates. The P‐impurity poisoning leads to the deactivation of the Ni catalyst and to the reduction in the electronic conductivity of the anode. The impurity poisoning effect on the anode is exacerbated by increase in the temperature and/or the PH
3
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3
concentrations in the temperature range from 750 to 900 °C. Thermodynamic equilibrium calculations show that PH
3
in the coal syngas gas is converted mostly to P
2
O
3
at 750–900 °C. The phosphorous impurity reacts with the Ni‐YSZ anode to form phosphates. The P‐impurity poisoning leads to the deactivation of the Ni catalyst and to the reduction in the electronic conductivity of the anode. The impurity poisoning effect on the anode is exacerbated by increase in the temperature and/or the PH
3
concentration.</abstract><doi>10.1002/fuce.200900016</doi><tpages>7</tpages></addata></record> |
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| ispartof | Fuel cells (Weinheim an der Bergstrasse, Germany), 2010-02, Vol.10 (1), p.174-180 |
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| language | eng |
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| source | Wiley Online Library All Journals |
| title | Temperature and Impurity Concentration Effects on Degradation of Nickel/Yttria‐stabilised Zirconia Anode in PH 3 ‐Containing Coal Syngas |
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