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Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor

A potential low cost and environmentally friendly supercapacitor has been prepared from Palm Kernel Shell Biochar (PKSB). In this study, physical and electrochemical properties of raw, activated and chemical treated (potassium hydroxide (KOH)) as supercapacitors such as high carbon content, high cha...

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Main Authors: Wan Ab. Karim Ghani, Wan Azlina, Fernandez, Praveen Shawn, Halele, Mohamad Qayyum, Sobri, Shafreeza, Jasni, Jasronita
Format: Conference or Workshop Item
Language:English
Published: EDP Sciences 2016
Online Access:http://psasir.upm.edu.my/id/eprint/50085/1/matecconf_iccfe2016_04003.pdf
http://psasir.upm.edu.my/id/eprint/50085/
http://www.matec-conferences.org/articles/matecconf/abs/2016/25/matecconf_iccfe2016_04003/matecconf_iccfe2016_04003.html
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spelling my.upm.eprints.500852017-02-01T04:38:18Z http://psasir.upm.edu.my/id/eprint/50085/ Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor Wan Ab. Karim Ghani, Wan Azlina Fernandez, Praveen Shawn Halele, Mohamad Qayyum Sobri, Shafreeza Jasni, Jasronita A potential low cost and environmentally friendly supercapacitor has been prepared from Palm Kernel Shell Biochar (PKSB). In this study, physical and electrochemical properties of raw, activated and chemical treated (potassium hydroxide (KOH)) as supercapacitors such as high carbon content, high charge storage capacity and stable were evaluated. For physical analyses, the scanning electron microscopy (SEM) was used to study the surface morphology and surface area and porosity were measured using Brunaurer-Emmert-Teller (BET). The chemical treated PKSB shows the highest surface area values of 55.15 m2/g as compared to raw and activated samples with surface area are 0.17 m2/g and 19.32 m2/g, respectively. This is verified by in enhancement of capacitance achieved from 1.76 × 10−3 Fg-1 for the activated biochar and 1.87 × 10−6 Fg-1 for untreated PKSB showed by Raman spectroscopy. This enhancement reflected the charge storage capacity is attributed to the creation of broad distribution in pore size and a larger surface area. In addition, this phenomenon also supported by the electrochemical profiles through cyclic voltammogram (CV) measured by Potentiostat-Gavanostat (EIS). CV of the treated PKSB gave better square shape than the activated and raw biochar samples. These characterizations conclude that the raw palm kernel biochar need further treatment to become supercapacitor electrodes to replace activated carbon. EDP Sciences 2016 Conference or Workshop Item PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/50085/1/matecconf_iccfe2016_04003.pdf Wan Ab. Karim Ghani, Wan Azlina and Fernandez, Praveen Shawn and Halele, Mohamad Qayyum and Sobri, Shafreeza and Jasni, Jasronita (2016) Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor. In: 2016 3rd International Conference on Chemical and Food Engineering (ICCFE 2016), 8-9 Apr. 2016, Tokyo, Japan. (pp. 1-6). http://www.matec-conferences.org/articles/matecconf/abs/2016/25/matecconf_iccfe2016_04003/matecconf_iccfe2016_04003.html 10.1051/matecconf/20166204003
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A potential low cost and environmentally friendly supercapacitor has been prepared from Palm Kernel Shell Biochar (PKSB). In this study, physical and electrochemical properties of raw, activated and chemical treated (potassium hydroxide (KOH)) as supercapacitors such as high carbon content, high charge storage capacity and stable were evaluated. For physical analyses, the scanning electron microscopy (SEM) was used to study the surface morphology and surface area and porosity were measured using Brunaurer-Emmert-Teller (BET). The chemical treated PKSB shows the highest surface area values of 55.15 m2/g as compared to raw and activated samples with surface area are 0.17 m2/g and 19.32 m2/g, respectively. This is verified by in enhancement of capacitance achieved from 1.76 × 10−3 Fg-1 for the activated biochar and 1.87 × 10−6 Fg-1 for untreated PKSB showed by Raman spectroscopy. This enhancement reflected the charge storage capacity is attributed to the creation of broad distribution in pore size and a larger surface area. In addition, this phenomenon also supported by the electrochemical profiles through cyclic voltammogram (CV) measured by Potentiostat-Gavanostat (EIS). CV of the treated PKSB gave better square shape than the activated and raw biochar samples. These characterizations conclude that the raw palm kernel biochar need further treatment to become supercapacitor electrodes to replace activated carbon.
format Conference or Workshop Item
author Wan Ab. Karim Ghani, Wan Azlina
Fernandez, Praveen Shawn
Halele, Mohamad Qayyum
Sobri, Shafreeza
Jasni, Jasronita
spellingShingle Wan Ab. Karim Ghani, Wan Azlina
Fernandez, Praveen Shawn
Halele, Mohamad Qayyum
Sobri, Shafreeza
Jasni, Jasronita
Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor
author_facet Wan Ab. Karim Ghani, Wan Azlina
Fernandez, Praveen Shawn
Halele, Mohamad Qayyum
Sobri, Shafreeza
Jasni, Jasronita
author_sort Wan Ab. Karim Ghani, Wan Azlina
title Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor
title_short Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor
title_full Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor
title_fullStr Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor
title_full_unstemmed Physical and electrochemical characterization of palm kernel shell biochar (PKSB) as supercapacitor
title_sort physical and electrochemical characterization of palm kernel shell biochar (pksb) as supercapacitor
publisher EDP Sciences
publishDate 2016
url http://psasir.upm.edu.my/id/eprint/50085/1/matecconf_iccfe2016_04003.pdf
http://psasir.upm.edu.my/id/eprint/50085/
http://www.matec-conferences.org/articles/matecconf/abs/2016/25/matecconf_iccfe2016_04003/matecconf_iccfe2016_04003.html
_version_ 1643834558648418304
score 13.211869

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