Ru合金化纯Ti电化学行为研究  

The investigation of Ru alloying on the electrochemical behaviour of pure Ti

作　　者：高强 滕艾均 康强 王鹏 张来启[2] GAO Qiang;TENG Aijun;KANG Qiang;WANG Peng;ZHANG Laiqi(Vanadium and Titanium Branch,Ansteel Beijing Research Institute Co.,Ltd,Beijing 102200,China;State key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,Beijing 100083,China)

机构地区：[1]鞍钢集团北京研究院有限公司钒钛分院,北京102200 [2]北京科技大学新金属材料国家重点实验室,北京100083

出　　处：《钢铁钒钛》2025年第1期40-44,共5页Iron Steel Vanadium Titanium

摘　　要：研究了不同Ru含量合金化对纯Ti微观组织结构和电化学行为的影响,以改善钛双极板在质子交换膜水电解环境中的耐蚀性和电导率。结果表明,随着Ru含量的增加,α-Ti等轴晶细化,耐蚀性提高。韦伯阻抗出现在开路电位下阻抗谱的低频区域。当Ru含量低于0.08%时,0.8 V vs Ref极化6 h的钝化膜表现出p型半导体行为,电导率保持恒定。The effect of pure Ti alloyed with different Ru content on the microstructure and electrochemical behaviour was studied for the need of further improvement in corrosion resistance and conductivity of titanium bipolar plates in proton exchange membrane water electrolysis environments.Results indicated that theα-Ti equiaxed grains were refined,the corrosion resistance was improved with the increase of Ru content.The Warburg impedance appeared in the low frequency region of impedance spectroscopy obtained at OCP.When the Ru content is below 0.08%,the passivation film formed by polarizing at 0.8 V vs Ref for 6 h exhibits p-type semiconductor behavior,and the conductivity remains constant.

关 键 词：双极板 TI RU 微观结构 耐蚀性 

分 类 号：TF823[冶金工程—有色金属冶金]