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HomeEngineering ChemistryEngineering Chemistry Vol. 2Synthesis and Electrochemical Properties of ZnO/...

Synthesis and Electrochemical Properties of ZnO/ Activated Carbon from Vetiver Distillation Waste

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Abstract:

The addition of zinc oxide (ZnO) as impregnation for activated carbon (AC) with the hydrothermal method has been performed in this research. Vetiver distillation waste has been used as a precursor for activated carbon synthesized with pyrolisis methods. Carbon is activated by a chemical process using KOH. Enhancement of amorph structure and function group by addition of zinc oxide has been characterized by Raman Spectroscopy, Fourier Transform Infra-Red (FT-IR), and X-Ray Diffraction (XRD). Furthermore, cyclic voltammetry (CV) and galvanostatic charge-discharge (GCD) has been done to show the electrochemical properties enhancement of the ZnO/AC compared to pristine AC. At the current density of 1 A/g, the specific capacitance of VRW-ACM has a value of 277 F/g. After the impregnation process, the specific capacitance of VRW-ACM-ZnO has been improved by 44.4% compared to VRW-ACM. The result showed that the activated carbon-based vetiver root waste impregnated with ZnO has the potential to be applied as supercapacitors electrodes.

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The 4th International Conference on Chemical Engineering

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Periodical:

Engineering Chemistry (Volume 2)

Pages:

35-41

DOI:

https://doi.org/10.4028/p-1z7h01

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Online since:

May 2023

Authors:

Rafli Eghbal Haraki, Arenst Andreas Arie, Ratna Frida Susanti, Haryo Satriya Oktaviano, Agung Nugroho*

Keywords:

Activated Carbon, Cyclic Voltammetry, Galvanostatic Charge-Discharge, Impregnation, Vetiver Root Waste, Zinc Oxide

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Creative Commons CC BY 4.0

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* - Corresponding Author

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