Nanostructured coatings based on titanium for electrodes of electrochemical devices with proton exchange membrane

Seriya 3: Fizika, Astronomiya Pub Date : 2023-06-02 DOI:10.55959/msu0579-9392.78.2320501

M. V. Sinyakov, A. A. Zasypkina, V. V. Tishkin, N. A. Ivanova, E. Vorobyeva, O. K. Alekseeva

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Abstract

During the operation of electrochemical devices with a proton-exchange membrane under the action of oxygen, the electrode is gradually destroyed and degraded from the anode side. It is possible to increase the performance and service life of electrodes of electrochemical devices by applying Ti-based protective coatings to the surface of current collectors. In this work, nanostructured films of the compositions Ti, TiO𝑥, TiN𝑦, TiO𝑥N𝑦 were obtained by magnetron sputtering of a titanium target under various conditions. The structure and composition of the samples were studied by scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffraction phase analysis. The effect of various modes and conditions of magnetron sputtering on the composition and structure of titanium coatings has been established. The service life of an electrode coated with the TiN𝑦 composition in the electrolyzer mode is 2 times higher than the service life of an anode without a coating under similar conditions with comparable efficiency

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质子交换膜电化学装置电极用钛纳米结构涂层

带有质子交换膜的电化学装置在氧的作用下工作时，电极从阳极侧逐渐被破坏和降解。通过在集流器表面涂覆钛基保护层，可以提高电化学器件电极的性能和使用寿命。本文采用磁控溅射的方法，在不同条件下制备了钛靶材料Ti, TiO,TiN, TiO𝑥N，的纳米结构薄膜。采用扫描电镜、能谱、x射线衍射、物相分析等方法研究了样品的结构和组成。研究了不同磁控溅射方式和条件对钛镀层组成和结构的影响。在电解模式下，镀有TiN - s_ - s_成分的电极的使用寿命比在相同条件下未镀有TiN - s_ - s_成分的阳极的使用寿命高出2倍

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Seriya 3: Fizika, Astronomiya

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