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EFECT OF Na2SO4 AND (NH4)H2PO4 AS PRECIPITATATION AGENT ON EXTRACTION ACTIVE MATERIAL OF HEMATITE (α–Fe2O3) AS ANODE LITHIUM-ION BATTERY
Evanisia More1, Aulia Mutiara Hikmah 2LOA Nur Ramadhan3, Achmad Subhan4, Lukman Atmaja1a

1 Department of Chemistry, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
2 Department of Chemistry, Halu Oleo University, Mokodompit, Indonesia
3Physics Research Center, LIPI, Puspitek Serpong Area, Banten, Indonesia


Abstract

The research aim is to analyse the effect of consentration of presipitate agent Na2SO4 and (NH4)H2PO4 addition on α–Fe2O3 synthesis as active anode with Chitosan-PVA binder for lithium-ion battery. Hematit were extracted from Southeast Sulawesi area by hydrothermal method and Chitosan. Comparison of precipitate agents used is 1: 1 and concentrations varied at 0.1, 0.25, 0.5, 0.75, 1.0 and 1.5 M. FTIR, SEM, PSA and XRD were conducted to determine the physical properties of extracted material. Performance tests on the anodes that have been assembled in lithium ion batteries included EIS, CV and CD. The optimum condition is at 0.25 M with EIS and CD results of 1069 Ω and 428.45 mAh/g, respectively. The CV results have shown a reduction potential at 0.248 V and an oxidation potential of 1.648 V. The local iron sand of Southeast Sulawesi with the addition of precipitate agents can be used as a source of the active material for the anode.

Keywords: irond sand, Lithium-Ion Battery, hematite, Chitosan-PVA, Na2SO4, (NH4)H2PO4.

Topic: International Symposium on Social Sciences, Humanities, Education, and Religious Studies

Link: https://ifory.id/abstract/pRm8QWPbUyvT

Conference: The 3rd International Conference on Sustainability and Innovation (ICoSI 2019)

Plain Format | Corresponding Author (Evanisia More)

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