Partially unzipped multi-walled carbon nanotubes-promising material for oxygen electrodes of fuel cells

被引:6
作者
Danilov, Michail O. [1 ]
Dovbeshko, Galina I. [2 ]
Rusetskyi, Ihor A. [1 ]
Pekhnyo, Vasil I. [1 ]
Nikolenko, Andrii S. [3 ]
Kolbasov, Gennadii Ya. [1 ]
机构
[1] Natl Acad Sci Ukraine, VI Vernadskii Inst Gen & Inorgan Chem, 32-34 Acad Palladin Ave, UA-03142 Kiev, Ukraine
[2] Natl Acad Sci Ukraine, Inst Phys, 46 Nauky Ave, UA-03039 Kiev, Ukraine
[3] Natl Acad Sci Ukraine, Inst Semicond Phys, 45 Nauky Ave, UA-03028 Kiev, Ukraine
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2020年 / 126卷 / 10期
关键词
Partially unzipped multi-walled carbon nanotubes (PUMWCNTs); Oxygen electrode; Electrocatalysis; Electrode materials; GRAPHENE; NANOPARTICLES; PERFORMANCE; SPECTRA;
D O I
10.1007/s00339-020-03951-2
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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).
引用
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页数:7
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