| Autor: |
Qingqing Zhao, Shujiang Geng, Xingye Gao, Gang Chen, Fuhui Wang |
| Jazyk: |
angličtina |
| Rok vydání: |
2020 |
| Předmět: |
|
| Zdroj: |
Journal of Power Sources Advances, Vol 2, Iss , Pp 100011- (2020) |
| Druh dokumentu: |
article |
| ISSN: |
2666-2485 |
| DOI: |
10.1016/j.powera.2020.100011 |
| Popis: |
Ni/NiFe2 dual-layer coating is fabricated on SUS 430 stainless steel by magnetron sputtering for solid oxide fuel cells (SOFCs) interconnect application. Ni/NiFe2 coated steels are exposed to air at 800 °C for duration of up to 10 weeks in comparison with NiFe2 coated steels. Ni/NiFe2 coating is thermally converted to an oxide structure with an inner NiO layer and an outer NiFe2O4 spinel layer. NiO/NiFe2O4 oxide layer is more effective in blocking Cr migration and reducing oxidation rate during long-term exposure than a single NiFe2O4 layer converted from NiFe2 coating. Enhancements on oxidation resistance and Cr-blocking capability are attributed to NiO layer serving as a diffusion barrier between Cr2O3 and NiFe2O4. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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