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Ti／TiO2-Pt修飾電極的制備及電催化性能研究
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TG153.6

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江蘇省自然科學(xué)基金資助項(xiàng)目（BK2004129）


Preparation and Electrocatalytic Activities of the Ti/TiO2-Pt Modified Electrode
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    摘要:

    為了提高Ti／TiO2電極的催化性能，采用陽極氧化法在鈦基體上制備出具有納米管狀的多孔Ti／TiO2薄膜，在此膜上采用陰極電化學(xué)沉積方法沉積Pt來制備Ti／TiO2-Pt修飾電極。用XRD，F(xiàn)ESEM分析了沉積前后成分、晶相結(jié)構(gòu)以及表面形貌的變化。結(jié)果表明：Pt優(yōu)先沉積在Ti／TiO2管口以及管邊緣處。用循環(huán)伏安曲線和極化曲線分析表明，沉積Pt的Ti／TiO2電極其電催化性能得到了明顯改善。

    Abstract:

    In order to improve the electrocatalytic activities of the Ti/TiO2 electrode, the nanotube TiO2 film was fabricated by anodic oxidation on TA1 samples, and then Ti/TiO2-Pt modified electrode was prepared through the deposition of Pt on the film. The compositions, crystal structures and surface morphologies before and after depositing were characterized with the aid of X-ray and FESEM. The results showed that Pt was deposited preferentially on the edge of the nanotube ostiums. The cyclic voltammetry and stationary current-potential curves indicated that the electrocatalytic activities of the Ti/TiO2 electrode of deposited Pt were improved evidently.

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秦亮 陶杰 王玲 陶海軍. Ti／TiO2-Pt修飾電極的制備及電催化性能研究[J].稀有金屬材料與工程,2007,36(10):1870~1873.[Qin Liang, Tao Jie, Wang Ling, Tao Haijun. Preparation and Electrocatalytic Activities of the Ti/TiO2-Pt Modified Electrode[J]. Rare Metal Materials and Engineering,2007,36(10):1870~1873.]
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  • 最后修改日期:2006-09-07
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