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| Título: | Fern-like rGO/BiVO4 hybrid nanostructures for high-energy symmetric supercapacitor |
Autor: | Patil, Santosh S.; Dubal, Deepak P. CSIC ORCID; Gómez-Romero, P. CSIC ORCID ; Patil, Deepak R. | Palabras clave: | Symmetric supercapacitor Fern/dendritic structures High energy density Hydrothermal method Ragone plot rGO/BiVO4 |
Fecha de publicación: | 2016 | Editor: | American Chemical Society | Citación: | ACS Applied Materials and Interfaces 8(46): 31602-31610 (2016) | Resumen: | Herein, we demonstrate the synthesis of rGO/BiVO hybrid nanostructures by facile hydrothermal method. Morphological studies reveal that rGO sheets are embedded in the special dendritic fern-like structures of BiVO. The rGO/BiVO hybrid architecture shows the way to a rational design of supercapacitor, since these structures enable easy access of electrolyte ions by reducing internal resistance. Considering the unique morphological features of rGO/BiVO hybrid nanostructures, their supercapacitive properties were investigated. The rGO/BiVO electrode exhibits a specific capacitance of 151 F/g at the current density of 0.15 mA/cm. Furthermore, we have constructed rGO/BiVO symmetric cell which exhibits outstanding volumetric energy density of 1.6 mW h/cm (33.7 W h/kg) and ensures rapid energy delivery with power density of 391 mW/cm (8.0 kW/kg). The superior properties of symmetric supercapacitor can be attributed to the special dendritic fern-like BiVO morphology and intriguing physicochemical properties of rGO. | Descripción: | et al. | URI: | http://hdl.handle.net/10261/159472 | DOI: | 10.1021/acsami.6b08165 | Identificadores: | doi: 10.1021/acsami.6b08165 e-issn: 1944-8252 issn: 1944-8244 |
| Aparece en las colecciones: | (CIN2) Artículos |
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