Methane on-cell reforming in nickel–iron alloy supported solid oxide fuel cells
| Autor: | Li Jian, Jian Pu, Bo Chi, Lichao Jia, Xin Wang, Kai Li |
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| Rok vydání: | 2015 |
| Předmět: |
Materials science
Renewable Energy Sustainability and the Environment Inorganic chemistry Alloy Oxide Limiting current Energy Engineering and Power Technology chemistry.chemical_element engineering.material Electrochemistry Methane Volumetric flow rate chemistry.chemical_compound Nickel chemistry Chemical engineering engineering Fuel cells Electrical and Electronic Engineering Physical and Theoretical Chemistry |
| Zdroj: | Journal of Power Sources. 284:446-451 |
| ISSN: | 0378-7753 |
| Popis: | Ni 0.9 Fe 0.1 -supported solid oxide fuel cells are fabricated by tape casting-screen printing-sintering process; and the activity for CH 4 reforming and electrochemical performance are examined with wet (3 vol.% H 2 O) CH 4 as the fuel at 650 °C, in comparison with Ni-supported cells. At a flow rate of 100 ml min −1 , the wet CH 4 is partially (35 vol.%) reformed to H 2 , CO and CO 2 in the Ni 0.9 Fe 0.1 anode-support, demonstrating a higher reforming activity than that of the Ni anode-support. The maximum power density is 1.01 Wcm −2 at a high limiting current density of 2.6 A cm −2 ; and cell voltage at 0.4 A cm −2 is slightly decreased from 0.65 to 0.60 V within 50 h durability test. This high performance is attributed to the Ni 0.9 Fe 0.1 anode-support that is more active for CH 4 reforming and resistant to carbon deposition than its Ni counterpart. |
| Databáze: | OpenAIRE |
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