添加纳米IrO2的新型涂层IrO2-Ta2O5钛阳极的制备及性能

中国有色金属学报, 2011, 21(3): 669-674.

添加纳米IrO2的新型涂层IrO2-Ta2O5钛阳极的制备及性能

白少金 ^1, , 魏宗平 ^2, , 王欣 ^3, , 邵艳群 ^4, , 唐电 ^5,

1.福州大学材料研究所,福州350108

2.福州大学材料研究所,福州350108

3.福州大学材料研究所,福州350108

4.福州大学材料研究所,福州350108

5.福州大学材料研究所,福州350108

基金项目: 国家重点基础研究发展计划资助项目(2007AA03Z325) 福建省自然科学基金(2009J05116)

关键词： IrO2 , Ta2O5钛阳极 , 纳米种子 , 电催化性能

Preparation and performance of novel IrO2-Ta2O5 coated titanium anode with embedded nanoscale IrO2

以纳米IrO2晶粒部分取代H2IrCl6分散于前躯体溶液中,以此改进工艺制备一种Ir和Ta的摩尔比为7:3的IrO2-Ta2O5涂层钛阳极,通过XRD和SEM分析所制备钛阳极表面涂层的物相组成和形貌特征,采用析O2极化曲线、循环伏安和强化寿命测试方法分别研究电极的电催化性能与稳定性.结果表明:在纳米种子嵌入电极涂层中存在的物相分别为IrO2基固溶体(Ir,Ta)O2和IrO2;与采用传统方法制备的电极相比,含纳米种子嵌入结构涂层的钛阳极具有更优越的电催化活性和耐蚀性.

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添加纳米IrO2的新型涂层IrO2-Ta2O5钛阳极的制备及性能

Preparation and performance of novel IrO2-Ta2O5 coated titanium anode with embedded nanoscale IrO2

参考文献