{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T04:48:25Z","timestamp":1773290905761,"version":"3.50.1"},"reference-count":48,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,1,19]],"date-time":"2022-01-19T00:00:00Z","timestamp":1642550400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Bipolar Plates (BPPs) are the most crucial component of the Polymer Electrolyte Membrane (PEM) fuel cell system. To improve fuel cell stack performance and lifetime, corrosion resistance and Interfacial Contact Resistance (ICR) enhancement are two essential factors for metallic BPPs. One of the most effective methods to achieve this purpose is adding a thin solid film of conductive coating on the surfaces of these plates. In the present study, 410 Stainless Steel (SS) was selected as a metallic bipolar plate. The coating process was performed using titanium nitride and chromium nitride by the Cathodic Arc Evaporation (CAE) method. The main focus of this study was to select the best coating among CrN and TiN on the proposed alloy as a substrate of PEM fuel cells through the comparison technique with simultaneous consideration of corrosion resistance and ICR value. After verifying the TiN and CrN coating compound, the electrochemical assessment was conducted by the potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) tests. The results of PDP show that all coated samples have an increase in the polarization resistance (Rp) values (ranging from 410.2 to 690.6 \u03a9\u00b7cm2) compared to substrate 410 SS (230.1\u00a0\u03a9\u00b7cm2). Corrosion rate values for bare 410 SS, CrN, and TiN coatings were measured as 0.096, 0.032, and 0.060 mpy, respectively. Facilities for X-ray Diffraction (XRD), Scanning Electron Microscope (FE-SEM, TeScan-Mira III model and made in the Czech Republic), and Energy Dispersive X-ray Spectroscopy (EDXS) were utilized to perform phase, corrosion behavior, and microstructure analysis. Furthermore, ICR tests were performed on both coated and uncoated specimens. However, the ICR of the coated samples increased slightly compared to uncoated samples. Finally, according to corrosion performance results and ICR values, it can be concluded that the CrN layer is a suitable choice for deposition on 410 SS with the aim of being used in a BPP fuel cell system.<\/jats:p>","DOI":"10.3390\/s22030750","type":"journal-article","created":{"date-parts":[[2022,1,19]],"date-time":"2022-01-19T21:01:51Z","timestamp":1642626111000},"page":"750","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Detection and Analysis of Corrosion and Contact Resistance Faults of TiN and CrN Coatings on 410 Stainless Steel as Bipolar Plates in PEM Fuel Cells"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8698-6808","authenticated-orcid":false,"given":"Mohsen","family":"Forouzanmehr","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, Shahid Bahonar University of Kerman, Kerman 7618868366, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0552-9950","authenticated-orcid":false,"given":"Kazem","family":"Reza Kashyzadeh","sequence":"additional","affiliation":[{"name":"Department of Transport, Academy of Engineering, Peoples\u2019 Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4293-5341","authenticated-orcid":false,"given":"Amirhossein","family":"Borjali","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Sharif University of Technology, Tehran 11155-1639, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anastas","family":"Ivanov","sequence":"additional","affiliation":[{"name":"Department of Mechanics, Todor Kableshkov University of Transport, 158 Geo Milev Street, 1574 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mosayeb","family":"Jafarnode","sequence":"additional","affiliation":[{"name":"School of Mechanical Engineering, Islamic Azad University, South Tehran Branch, Tehran 1584743311, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5598-8453","authenticated-orcid":false,"given":"Tat-Hean","family":"Gan","sequence":"additional","affiliation":[{"name":"TWI Ltd., Granta Park, Great Abington, Cambridge CB21 6AL, UK"},{"name":"College of Engineering and Physical Sciences, Brunel University London, Uxbridge UB8 3PH, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1398-6599","authenticated-orcid":false,"given":"Bin","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Engineering and Physical Sciences, Brunel University London, Uxbridge UB8 3PH, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0555-1242","authenticated-orcid":false,"given":"Mahmoud","family":"Chizari","sequence":"additional","affiliation":[{"name":"School of Physics, Engineering and Computer Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"37017","DOI":"10.1016\/j.ijhydene.2021.08.183","article-title":"Investigating the stability and degradation of hydrogen PEM fuel cell","volume":"46","author":"Dhimish","year":"2021","journal-title":"Int. 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