Preparation and Characterization of a Flexible rGO-PTFE Film for a Supercapacitor Current Collector

Yury M. Shulga, Sergey A. Baskakov, Eugene N. Kabachkov, Yuliya V. Baskakova, Nadezhda N. Dremova, Oksana V. Koplak, Anatoly S. Lobach, Yuriy N. Parkhomenko, Valery A. Kazakov, Alexey R. Tameev, Alexandre Michtchenko

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

9 Citas (Scopus)

Resumen

A mixture of water suspensions of graphene oxide (GO) and polytetrafluoroethylene (PTFE) was used to make the films GO-PTFE (50:50). They became conductive (2.0-2.8 S/cm) while maintaining flexibility after reduction with hydrazine and subsequent annealing at 370 °C. The structure and morphology of the reduced films (rGO-PTFE) are examined in detail by means of a number of techniques such as scanning electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, Raman, and contact angle wetting. The results of the films tested as current collectors in a metal-free supercapacitor with electrodes from microwave exfoliated GO and an acid (1 M H2SO4) electrolyte are presented.

Idioma originalInglés
Páginas (desde-hasta)8680-8686
Número de páginas7
PublicaciónLangmuir
Volumen36
N.º30
DOI
EstadoPublicada - 4 ago. 2020

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