Activated carbon derived from rice husk by NaOH activation and its application in supercapacitor

By K. Van, Thu Thuy Luong Thi. 2014

265 citations recorded by the source corpus.

Abstract Four activated carbon (AC) samples prepared from rice husk under different activation temperatures have been characterized by N 2 adsorption–desorption isotherms, thermogravimetric analysis (TGA–DTA), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The specific surface area of AC sample reached 2681 m 2  g −1 under activation temperature of 800 °C. The AC samples were then tested as electrode material; the specific capacitance of the as-prepared activated carbon electrode was found to be 172.3 F g −1 using cyclic voltammetry at a scan rate of 5 mV s −1 and 198.4 F g −1 at current density 1000 mA g −1 in the charge/discharge mode.

Subfields: Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Polymers and Plastics

View Paper: https://www.semanticscholar.org/paper/7f7445366d9c57e5487fc89e04cffdb2ea26fc4c

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Citations in the corpus

• Microwave-assisted pyrolysis with chemical activation, an innovative method to convert orange peel into activated carbon with improved properties as dye adsorbent (2017, methodology): “…22 oC/min for carbonization and an even higher heating rate of 112 oC/min for chemical activation, both of which higher than the heating rate reported by that performed by pyrolysis using conventional oven or furnace as the heat source (5 – 10 oC/min) (Le Van and Thi, 2014; Sayğılı et al., 2015).”