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Partially unzipped multi-walled carbon nanotubes—promising material for oxygen electrodes of fuel cells
Applied Physics A ( IF 2.5 ) Pub Date : 2020-09-05 , DOI: 10.1007/s00339-020-03951-2
Michail O. Danilov , Galina I. Dovbeshko , Ihor A. Rusetskyi , Vasil I. Pekhnyo , Andrii S. Nikolenko , Gennadii Ya. Kolbasov

Partially unzipped multi-walled carbon nanotubes were used as an active layer of the oxygen electrodes. The obtaining of partially unzipped carbon nanotubes was confirmed by X-ray diffraction, transmission electron microscopy and Raman spectroscopy. An investigation of the electrocatalytic characteristics of such oxygen electrodes was carried out in a fuel half-cell with an alkaline electrolyte. Electrochemical studies have established that the obtained partially unzipped multi-walled carbon nanotubes are promising materials as a catalyst carrier for oxygen electrodes of fuel cells. The oxygen electrodes based on the electrochemically obtained carbon materials were stable for six months at a discharge current density of 200 mA cm−2.

中文翻译:

部分解开的多壁碳纳米管——燃料电池氧电极的有前途的材料

部分解压缩的多壁碳纳米管用作氧电极的活性层。通过 X 射线衍射、透射电子显微镜和拉曼光谱证实了部分解压缩的碳纳米管的获得。在具有碱性电解质的燃料半电池中对这种氧电极的电催化特性进行了研究。电化学研究表明,所获得的部分解压缩的多壁碳纳米管是作为燃料电池氧电极催化剂载体的有前途的材料。基于电化学获得的碳材料的氧电极在 200 mA cm-2 的放电电流密度下稳定了六个月。
更新日期:2020-09-05
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