五烷氧基钽化合物的电化学合成及其应用性能研究

Research on the electrochemical synthesis and applied properties of tantalum pentaalkoxides

目的研究合成金属钽有机化合物的新方法。方法以金属钽为阳极,采用牺牲阳极的电化学法合成不同烷氧基的钽化合物,经过减压精馏得到高纯化合物。结果合成了3种不同烷氧基的钽化合物,利用红外光谱对产物进行了结构表征,发射光谱进行了杂质元素分析测试,产品纯度达99.995%。结论该方法具有反应条件温和、操作简便、易于纯化的优点,合成的高纯烷氧基钽可以有效改善不溶性阳极涂层的电化学性能和耐久性能,大大提高阳极的应用能力。

Aim To research for a novel method of synthesizing tantalum metallorganic compounds.Methods Three tantalum alkoxide compounds were synthesized by the electrochemical method using the metal tantalum as an anode.The high purity compounds had been got by distillation in the vacuum.Results Three compounds had been got.The structures of the compounds were confirmed by IR.The tests of impurity elements were analyzed by ICP-AES.The purities of the compounds were more than 99.995%.Conclusion The reported method had many advantages of mild reaction conditions,easy operations and available purification.The application was studied in the coating of non-dissolved anode.The results of titanium anodes proved that the tantalum alkoxides can improve the electrochemical and enduring feature of the coating so as to enhance non-dissolved anode properties.