期刊
DIAMOND AND RELATED MATERIALS
卷 104, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2020.107740
关键词
Reduced graphene oxide; Electrodeposition; Cyclic voltammetry
类别
资金
- FCT (Fundacao para a Ciencia e a Tecnologia, Portugal) [M-ERA.NET/0002/2012, M-ERA.NET/0004/2014, PEst-OE/QUI/UI0100/2013]
- Fundação para a Ciência e a Tecnologia [M-ERA.NET/0002/2012] Funding Source: FCT
Reduced graphene oxide (rGO) is successfully electrodeposited from a graphene oxide-containing suspension under stirring and no sonication onto Ni foam by applying -1.5 V/SCE. The electrodeposited material is characterized by X-Ray Diffraction (XRD), Scanning electron microscopy (SEM), Raman spectroscopy, Fourier Transform Infra-Red spectroscopy (FTIR) and Thermogravimetric analysis (TGA). FTIR and TGA results indicate the formation of hydrogenated rGO after electrodeposition. In addition, the electrochemical response of the rGO/Ni electrode is evaluated by cyclic voltammetry in 1 M potassium hydroxide solution. The results reveal that the electrode possesses higher conductivity and lower polarization loss compared to bare Ni foam, opening wider perspectives to design composites with improved electrochemical performance.
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