PEMANFAATAN RUMPUT GAJAH (Pennisetum purpureum schumach) SEBAGAI ELEKTRODA KARBON BERPORI

MARYANI, IDA and Syarif, Nirwan and Yusuf, Setiawati (2014) PEMANFAATAN RUMPUT GAJAH (Pennisetum purpureum schumach) SEBAGAI ELEKTRODA KARBON BERPORI. Undergraduate thesis, Sriwijaya University.

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Abstract

The research about utilization of elephant grass {Pennisetum purpureum schumach) as pore carbon electrode has been conducted. Elephant grass carbons were made with carbonisation times for ± 16 hours and in microwave pirolysis by variation of times are 15, 20, 25, and 30 minutes. The elephant grass carbons were tested according to there conductivity and the surface area. Carbon with the highest score for that two parameteres was used as electrode and was tested its electrochemical properties to calculate the capacitance value. Carbon was characterized the cristalography and morphology using XRD, FTIR, and SEMEDX. The analyzed data showed that the carbon contained S1O2 (Cristobalite) in 21,86°, CaCC>3 {Calcite) in 25,06°, and KC1 crystal {Sylvite) in 28,30°. Carbon has carboxyl group in 1050 cm'1. Carbon mostly contained macropores with cavity featured by silica. The electrode was fabricated from carbon with contact time 20 minutes with conductivity and the surface area are respectively 0,264 S.m'1 and 786,599 m2g*1. The highest capacitance number from electrode with composition 3:7 in KOH 2 M without TEA adding as the electrolyte and in the scan rate of 5 mV was 0,0139 F.g'1.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Microwave, Pyrolysis, Sylvite, Voltammetry, Micropore
Subjects:	Q Science > QD Chemistry > QD71-142 Analytical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Furika Furika
Date Deposited:	18 Mar 2022 06:34
Last Modified:	18 Mar 2022 06:34
URI:	http://repository.unsri.ac.id/id/eprint/66291

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