Performance of a 1 kW-class PEMFC stack using TiN-coated 316 stainless steel bipolar plates

To develop corrosion-resistant and low-cost metallic bipolar plates for polymer electrolyte membrane fuel cell (PEMFC), AISI 316 stainless steel was coated with TiN and the coated bipolar plates were applied to cell fabrication, in comparison with graphite and bare 316 bipolar plates. Initial perfor...

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Bibliographic Details
Published in:Journal of power sources 2005-03, Vol.142 (1), p.177-183
Main Authors: Cho, E.A., Jeon, U.-S., Hong, S.-A., Oh, I.-H., Kang, S.-G.
Format: Article
Language:English
Subjects:
Applied sciences
Bipolar plate
Corrosion
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fuel cells
Long-term operation
PEMFC
Stainless steel
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Summary:To develop corrosion-resistant and low-cost metallic bipolar plates for polymer electrolyte membrane fuel cell (PEMFC), AISI 316 stainless steel was coated with TiN and the coated bipolar plates were applied to cell fabrication, in comparison with graphite and bare 316 bipolar plates. Initial performance of the single cells using graphite, AISI 316, and TiN/316 bipolar plates was 996, 796, and 896 mA cm −2, respectively, at a cell voltage of 0.6 V. By coating 316 stainless steel with corrosion-protective TiN layer, lifetime was also significantly improved. A 1 kW class short stack was manufactured using TiN-coated bipolar plates and operated for 1028 h.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2004.10.032