Journal
CORROSION SCIENCE
Volume 142, Issue -, Pages 249-257Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2018.07.034
Keywords
Proton exchange membrane fuel cell; Metallic bipolar plate; 316L; Ti(1-x)NbxO(2)coating; Corrosion
Funding
- Natural Science Foundation of Guangxi Province [2018GXNSFBA138059]
- China Postdoctoral Science Foundation [2018M631050]
- Special Fund of the Guangxi Postdoctoral Project [BH2018063]
- Bagui scholars program of Guangxi autonomous region in 2016
- Academician Workstation Building Project of Guangxi Zhuang Autonomous Region Scientific and Technological Department [[2014] 91]
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The dissolution and passivation of the metal bipolar plates is one of the main problems for the commercialization of proton exchange membrane fuel cell (PEMFC). In present study, the adhesive anatase Ti1-xNbxO2 coatings are prepared on the 316 L and their corrosion behavior is also investigated in 0.1 M H2SO4 solution at 80 degrees C. The coatings can increase the corrosion potential of 316 L by more than 200 mY(Ag/Agcl). Thirty-day exposure experiment indicates that the Ti1-xNbxO2 coatings show high stability, and can inhibit effectively the corrosion of the steel. Moreover, a lower interfacial contact resistance is achieved for the Ti0.96Nb0.04O2 coating.
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