- PII
- S3034618525080028-1
- DOI
- 10.7868/S3034618525080028
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 61 / Issue number 8
- Pages
- 367-379
- Abstract
- The article presents the results of a study of titanium bipolar plates of fuel cells with a proton-exchange membrane with functional coatings based on chromium nitride, carbide and carbonitride obtained by magnetron sputtering of a chromium target in argon plasma with different nitrogen and propane contents. The microstructure and morphology of pure CrN and CrC films on titanium and composite coatings of chromium carbonitride CrNС were studied. It was shown that protective chromium carbide films obtained by adding propane to argon plasma exhibit increased contact surface resistance at the gas diffusion electrode-bipolar plate interface (CrC: = 119.4 mOhm·cm). However, for chromium carbonitride coatings this indicator is only 1.9 mOhm·cm, which is lower than for pure CrC films and significantly lower than for uncoated titanium (Ti: = 38.9 mOhm·cm). This is an important indicator for using such bipolar plates in fuel cell power plants with high specific characteristics. Corrosion measurements performed using conventional techniques showed that the corrosion current for chromium carbonitride was less than 1 µA/cm, which is better than uncoated titanium and pure CrN and CrC films.
- Keywords
- топливный элемент с протонообменной мембраной биполярная пластина титан защитные покрытия ток коррозии поверхностное контактное сопротивление
- Date of publication
- 25.02.2026
- Year of publication
- 2026
- Number of purchasers
- 0
- Views
- 13
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