Production of Ni-P Amorphous Alloy-Coated Bipolar Plate for PEM Fuel Cell by Electro-Less Plating
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- Kim Sung-chul
- Institute for Materials Research, Tohoku University
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- Yamaura Shin-ichi
- Institute for Materials Research, Tohoku University
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- Makino Akihiro
- Institute for Materials Research, Tohoku University
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- Inoue Akihisa
- Institute for Materials Research, Tohoku University
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Abstract
In this work, electro-less plating was adopted to produce a new metallic bipolar plate coated with amorphous alloy. The Ni-P amorphous alloy thin film was deposited on Al plate with a bipolar plate flow field and its corrosion resistance and contact electrical resistance were measured. As results, it was found that the electro-less plated Ni-P amorphous thin film showed much lower corrosion resistance than the Ni-Cr-P-B metallic glass because of its lack of Cr content and also found that the Ni-P film showed lower contact electrical resistance than the stainless steel SUS316L plate.<BR>The electricity generation tests with the single cell having the Ni-P amorphous alloy-coated bipolar plates produced in this study revealed that the single cell with the Ni-P amorphous alloy-coated bipolar plates showed excellent I-V performance as well as the cell with the carbon bipolar plates after 39th repetition. However, the I-V performance degraded gradually and was found to be much lower than that with the carbon bipolar plates after 50th repetition. Then the long time durability tests for 24 h were also conducted at the constant current density of 200 mA·cm−2. It was found that the cell voltage of the single cell with the Ni-P amorphous alloy-coated bipolar plates decreased gradually with time.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 52 (4), 709-713, 2011
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390001204251445248
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- NII Article ID
- 10028175371
- 130004454671
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- NII Book ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 11058320
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed