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Employment of fluorine doped zinc tin oxide (ZnSnOx:F) coating layer on stainless steel 316 for a bipolar plate for PEMFC
- Authors
- Park, Ji Hun; Byun, Dongjin; Lee, Joong Kee
- Issue Date
- 15-Jul-2011
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Thin films; Chemical vapor deposition (CVD); Electrochemical techniques; Corrosion
- Citation
- MATERIALS CHEMISTRY AND PHYSICS, v.128, no.1-2, pp.39 - 43
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS CHEMISTRY AND PHYSICS
- Volume
- 128
- Number
- 1-2
- Start Page
- 39
- End Page
- 43
- ISSN
- 0254-0584
- Abstract
- The investigation of the electrochemical characteristics of the fluorine doped tin oxide (SnOx:F) and fluorine doped zinc tin oxide (ZnSnOx:F) was carried out in the simulated PEMFC environment and bare stainless steel 316 was used as a reference. The results showed that the ZnSnOx:F coating enhanced both the corrosion resistance and interfacial contact resistance (ICR). The corrosion current for ZnSnOx:F was 1.2 mu A cm(-2) which was much lower than that of bare stainless steel of 50.16 mu A cm(-2). The ZnSnOx:F coated film had the smallest corrosion current due to the formation of a tight surface morphology with very few pin-holes. The ZnSnOx:F coated film exhibited the highest values of the cell voltage and power density due to its having the lowest ICR values. (C) 2011 Elsevier B.V. All rights reserved.
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Related Researcher
- BYUN, Dong Jin
- College of Engineering (Department of Materials Science and Engineering)