An electrochemical treatment to improve corrosion and contact resistance of stainless steel bipolar plates used in polymer electrolyte fuel cells
An electrochemical treatment to improve corrosion and contact resistance of stainless steel bipolar plates used in polymer electrolyte fuel cells
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DOI：
10.1016/j.jpowsour.2013.07.041
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发表时间：
2014
影响因子：
9.2
通讯作者：
E. M. Gabreab;G. Hinds;S. Fearn;D. Hodgson;J. Millichamp;P. Shearing;D. Brett
中科院分区：
文献类型：
--
作者：
E. M. Gabreab;G. Hinds;S. Fearn;D. Hodgson;J. Millichamp;P. Shearing;D. Brett
An electrochemical surface treatment is presented that improves the properties of stainless steel (316SS) used as bipolar plates for polymer electrolyte fuel cells (PEFCs). The process is an anodic treatment, whereby the material is polarised beyond the transpassive region. Potentiodynamic corrosion testing, chemical and morphological surface characterisation and interfacial contact resistance measurements indicate that the improved properties of 316SS are primarily a consequence of an enrichment of Cr at the near-surface of the material. The surface treatment increases the corrosion resistance and significantly reduces interfacial contact resistance.
