Az-zahra', Pelangi (2019) Material Aktif LiFeSixP1-xO4/C Sebagai Katoda Baterai Ion Lithium dengan Variasi Doping Ion Si (0≤x≤0,06). Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Material komposit katoda Lithium Ferro Phosphate(LFP) dengan doping ion Si dan coating karbon (LiFeSixP1-xO4/C)dengan variasi doping ion Si x = 0; 0,01; 0,03; 0.06 sebagai katoda baterai ion lithium telah berhasil disintesis dengan metode solid-state reaction menggunakan wet milling. Glukosa ditambahkan sebagai prekursor karbon sebesar 11 wt% dari massa produk LFP. Bahan yang digunakan yaitu Li2CO3 (merck) sebagai prekursor Li, Fe2O3 (teknis) sebagai prekursor Fe,
(NH4)2HPO4 (merck) sebagai prekursor PO4, SiO2 (merck)
sebagai prekursor Si, dan glukosa C6H12O6 (merck) sebagai
sumber karbon, dan gas inert nitrogen (N2). Sampel yang telah disintesis dikarakterisasi dengan beberapa alat uji yaitu X-Ray Diffraction (XRD), Scanning Electron Microscopy – Electron Dispersion Xray (SEM-EDX), Cyclic Voltammetry (CV) dan Charge – Discharge (CD). Hasil XRD menunjukkan terbentuknya kristalinitas dan terdapat fasa sekunder pada semua sampel. Dari hasil karakterisasi didapatkan nilai kapasitas discharge material komposit katoda LiFeSixP1-xO4/C tertinggi sebesar 78,745 mAh/g dan kapasitas charge tertinggi sebesar 99,248 mAh/g dengan x = 0,03.
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A cathode Lithium Ferro Phospate (LFP) composite material with Si ion doped and carbon coating (LiFeSixP1-xO4/C) with x = 0; 0,01; 0,03; 0.06 as lithium ion battery cathode has successfully synthesized by a solid state reaction and wet milling methods. Glucose is on add as a carbon precursor of 11 wt% of the mass of LFP products. The materials used are Li2CO3 (merck) as Li precursor, Fe2O3 (technical) as Fe precursor, (NH4)2HPO4 (merck) as PO4 precursor, SiO2 (merck) as Si precursor, dan glukosa C6H12O6 (merck) as carbon source, and nitrogen (N2) gas. The synthesized samples were characterized using X-Ray Diffraction (XRD), Scanning Electron Microscopy – Electron Dispersion Xray (SEM-EDX), Cyclic Voltammetry (CV) dan Charge – Discharge (CD). The XRD results show the crystallinity and there is secondary phase detected of all samples. From the results of the capacity obtained the highest discharge capacity value of cathode composite LiFeSixP1-xO4/C is 78,745 mAh/g and the highest charge capacity is 99,248 mAh/g at x = 0,03.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | baterai Ion Lithium, material katoda, solid state, kapasitas spesifik discharge |
| Subjects: | Q Science > QC Physics > QC173.4.C63 Composite materials |
| Divisions: | Faculty of Natural Science > Physics > 45201-(S1) Undergraduate Thesis |
| Depositing User: | Az-zahra' Pelangi |
| Date Deposited: | 20 Jul 2026 02:28 |
| Last Modified: | 20 Jul 2026 02:28 |
| URI: | http://repository.its.ac.id/id/eprint/64536 |
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