PENGARUH ELEKTROLIT DAN PELARUT TERHADAP KINERJA BATERAI LiSnO2/LiFePO4 PADA BATERAI ION LITIUM

SARI, INTAN PURWITA and Syarif, Nirwan (2024) PENGARUH ELEKTROLIT DAN PELARUT TERHADAP KINERJA BATERAI LiSnO2/LiFePO4 PADA BATERAI ION LITIUM. Undergraduate thesis, Sriwijaya University.

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Abstract

Electrolyte variations used in LiSnO2/LiFePO4 battery are LiCl and NaNO3 with 2 types of solvents namely H2O and DMSO. This research aims to analyze the results of characterization of LiSnO2/LiFePO4 electrodes and the effect of electrolytes and solvents on the performance of lithium ion battery with LiSnO2/LiFePO4 electrodes. The results of electrode characterization using SEM show that LiSnO2 and LiFePO4 both have a homogeneous morphology which is regular in shape and has porous particles. XRD characterization of LiSnO2 anode showed 12 diffraction peaks at 2θ angles of 19.7⁰ ; 26.30⁰ ; 26.79⁰ ; 34.05⁰ ; 38.24⁰ ; 52.07⁰ ; 55.03⁰ ; 62.08⁰ ; 64.90⁰ ; 66.03⁰ ; 78.8⁰ ; and 83.91⁰ with a crystal size of 25,2 nm, while the LiFePO4 cathode showed four diffraction peaks at 2θ angles of 20.1⁰; 23.4⁰; 32.02⁰; and 64.0⁰ with a crystal size of 1,137 nm. The most stable voltammogram curve results in CV measurements of battery are in the LiCl + H2O electrolyte variation due to the anodic and cathodic peaks that overlap which indicates that stability is formed. The best EIS measurement curve results are found in battery with NaNO3 + DMSO electrolyte variations because they produce smaller resistance values. The best galvanostatic stability curve is obtained in battery using LiCl + DMSO electrolyte variations, this is because the curve formed is an isosceles triangle which indicates that it has a higher efficiency value.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Baterai ion litium, LiSnO2 , LiFePO4 , elektrolit
Subjects:	Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Intan Purwita Sari
Date Deposited:	30 Jan 2024 03:07
Last Modified:	30 Jan 2024 03:07
URI:	http://repository.unsri.ac.id/id/eprint/140322

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