ISSN 1608-4039 (Print)
ISSN 1680-9505 (Online)

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Yakovleva E. V., Yakovlev A. V., Krasnov V. V., Tseluikin V. N., Mostovoi A. S., Kuramina N. Y., Brudnik S. V. Electrochemical Nanostructuring of Graphite for Application in Chemical Current Sources. Electrochemical Energetics, 2020, vol. 20, iss. 1, pp. 45-?. DOI: 10.18500/1608-4039-2020-20-1-45-54, EDN: HKGIPN

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Electrochemical Nanostructuring of Graphite for Application in Chemical Current Sources

Yakovleva Elena Vladimirovna, The Saratov State Technical University of Gagarin Yu. A.
Yakovlev Andrei Vasil'evich, The Saratov State Technical University of Gagarin Yu. A.
Krasnov Vladimir Vasil'evich, Engelssky Institute of Technology of the Saratov State Technical University
Tseluikin Vitalii Nikolaevich, Engelssky Institute of Technology of the Saratov State Technical University
Mostovoi Anton Stanislavovich, Engelssky Institute of Technology of the Saratov State Technical University
Kuramina Nataliya Yur'evna, The Saratov State Technical University of Gagarin Yu. A.
Brudnik Sergei Vital'evich, The Saratov State Technical University of Gagarin Yu. A.

The results of the study of electrochemical dispersion of flake graphite in sulfuric acid were presented. It was shown that the highest dispersion efficiency was achieved while using large fractions of graphite with a particle size being more than 200 microns. The formation of the multilayer graphene oxide structures with the thickness of 0.1–1.0 microns and lateral dimensions up to 100 microns during anodic oxidation of graphite was established. The graphene structures were identified by the x-ray phase analysis and IR-Fourier spectroscopy. The possibility of obtaining base-free films from multilayer graphene oxide particles without the participation of a binder was shown, with the prospect of using them to create the flexible electrodes for supercapacitors and chemical current sources.


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