Open AccessThe Effects of Different Activation Agents on the Physical and Electrochemical Properties of Carbon Electrodes Produced from Banana Stem Fiber
Author(s) -
Erman Taer,
Deris Afdal Yusra,
Apriwandi Apriwandi,
Awitdrus,
Rika Taslim,
Agustino
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1351/1/012002
Subject(s) - electrochemistry , electrode , carbonization , materials science , crystallinity , capacitance , fiber , chemical engineering , activated carbon , activator (genetics) , carbon fibers , composite material , chemistry , scanning electron microscope , adsorption , organic chemistry , biochemistry , composite number , engineering , gene
This study focuses on the effects of chemical activation materials on the physical and electrochemical properties of carbon electrodes made from banana stem fiber. The carbon electrodes were activated with different activators such as KOH, NaOH and ZnCl 2 at a constant concentration of 0.5 M. Also, the electrodes were carbonized at a temperature of 550°C followed by a physical activation process using CO 2 at 900°C for 2.5 hour, after which the density, surface morphology, element contents, degree of crystallinity and surface area of carbon electrodes were analyzed. In general, the activator used determines both the physical and electrochemical properties of the electrodes. Also, activating materials have the capacity to improve the physical properties of the samples as well as increase its specific capacitance. According to this research, AC-ZnCl 2 shows better physical and electrochemical properties having a specific capacitance as high as 130 F g −1 .