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<p>Time dependences (up to 1000 h) of oxidation resistance and surface electrical conductivity characteristics of stainless steels and α‑ and pseudo α‑titanium alloys during holding at 600 °C in air and wet hydrogen (H<sub>2</sub> + 30 vol.% H<sub>2</sub>O) were compared. These characteristics are lower in the anodic environment of fuel cells compared to the cathodic one. It was found that these characteristics of the studied titanium alloys are inferior to stainless steels, especially of 316L steel, which, in particular, seems to be related to their tendency to hydride formation.</p>

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Long-term oxidation resistance and electrical conductivity of materials in the cathode and anode environments of fuel cells

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • V. Ya. Podhurska,
  • R. V. Chepil,
  • M. M. Kuzmenko,
  • O. P. Ostash

摘要

Time dependences (up to 1000 h) of oxidation resistance and surface electrical conductivity characteristics of stainless steels and α‑ and pseudo α‑titanium alloys during holding at 600 °C in air and wet hydrogen (H2 + 30 vol.% H2O) were compared. These characteristics are lower in the anodic environment of fuel cells compared to the cathodic one. It was found that these characteristics of the studied titanium alloys are inferior to stainless steels, especially of 316L steel, which, in particular, seems to be related to their tendency to hydride formation.