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首页> 外文期刊>International Journal of Electrochemical Science >Corrosion and Interfacial Behavior of FeSi Alloy in Organic Electrolyte Solutions
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Corrosion and Interfacial Behavior of FeSi Alloy in Organic Electrolyte Solutions

机译：FESI合金在有机电解质溶液中的腐蚀和界面行为

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The corrosion and interfacial behavior of FeSi alloy in organic electrolyte was investigated using gravimetric and electrochemical methods. The results indicated that the corrosion rate at 10 days reduced approximately 44.71% on the first day. Electrochemical and gravimetric data were consistent, indicating a decreasing corrosion rate with increasing immersion time. The main corrosion behavior of FeSi alloy was the dissolution of Fe. The results showed that PF6? corroded Fe to Fe (II) that further evolved into Fe (III), forming fluoride films (FeF3) on the alloy surface, which would reduce the contact area between the material and electrolyte, and preventing the corrosive electrolyte from further corroding the FeSi alloy substrate. Hence, the occurrence of corrosion was slowed down or inhibited, and the electrochemical performance of FeSi alloy was more stable in LiPF6 solution. The formation of iron (III) fluoride was also confirmed via X-ray photoelectron spectroscopy analysis.
机译：采用重量测定和电化学方法研究了FESI合金在有机电解质中的腐蚀和界面行为。 结果表明，第一天10天的腐蚀速率降低了约44.71％。 电化学和重量数据一致，表明随着浸入时间的增加，腐蚀速率降低。 Fesi合金的主要腐蚀行为是Fe的溶解。 结果表明PF6？ 腐蚀的Fe（II）进一步进化成Fe（III），在合金表面上形成氟化物膜（FeF3），这将减少材料和电解质之间的接触面积，并防止腐蚀性电解质进一步腐蚀FeSi合金 基质。 因此，腐蚀的发生减慢或抑制，并且FeSi合金的电化学性能在LiPF6溶液中更稳定。 还通过X射线光电子体光谱分析确认铁（III）氟化物的形成。

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