期刊
ELECTROCHIMICA ACTA
卷 51, 期 17, 页码 3592-3598出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2005.10.015
关键词
stainless steels; Ni-based alloys; PVD; contact and corrosion resistances; PEFC
Different types of commercial stainless steels, Ni-based alloys and nitride-coated steels were evaluated as metallic bipolar plate in terms of interfacial contact resistance (ICR) and corrosion resistance in conditions typical of PEFC anode and cathode environments. Results show that stainless steel have a high ICR and undergo corrosion in both anode and cathode. Moreover, although Ni-based alloys showed an ICR comparable with graphite, their behaviour was not satisfactory in corrosive acidic medium. Only nitride-coated stainless steel demonstrated to have low ICR and very good corrosion resistance. (c) 2005 Elsevier Ltd. All rights reserved.
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