Sintesis Nanokomposit Karbon-TiO2 Sebagai Anoda Baterai Lithium

Authors

  • Aflahannisa Aflahannisa Jurusan Fisika FMIPA Universitas Andalas
  • Astuti Astuti Jurusan Fisika FMIPA Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.5.4.357-363.2016

Abstract

Sintesis material anoda baterai lithium telah dilakukan dengan bahan baku dari karbon aktif dan titanium dioksida (TiO2). Pembuatan karbon aktif dilakukan dengan mengaktivasi tempurung kemiri menggunakan larutan H3PO4 2,5% sebagai aktivator dengan temperatur aktivasi 700 oC. Selanjutnya dibuat material anoda dengan menggunakan metode solid state reaction dengan variasi massa karbon aktif-TiO2 yaitu 5% : 95%, 10% : 90%, 15% : 85% dan 20% : 80%. Material anoda dibuat dalam bentuk pellet dan dikarakterisasi menggunakan SEM, XRD, LCR Meter dan Cyclic Voltammetry. Hasil SEM menunjukkan bahwa material anoda yang terbuat dari karbon aktif dan TiO2 tercampur hampir merata. Hasil XRD menunjukkan bahwa titanium dikosida (TiO2) memiliki struktur kristal yang sama yaitu Tetragonal dan karbon pada variasi massa karbon-TiO2 (20% : 80% dan 15% : 85%) memiliki struktur kristal Hexagonal sedangkan variasi massa karbon-TiO2 (10% : 90% dan 5% : 95%) memiliki struktur kristal Rhombohedral. Konduktivitas listrik tertinggi didapatkan pada variasi massa karbon-TiO2 (10%:90%) yaitu 1,11x10-7 S/cm dan kapasitansi tertinggi didapatkan variasi massa karbon-TiO2 (20%:80%).

Kata kunci: baterai lithium, karbon aktif, TiO2, konduktivitas, kapasitansi

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Published

2016-10-04

How to Cite

Aflahannisa, A., & Astuti, A. (2016). Sintesis Nanokomposit Karbon-TiO2 Sebagai Anoda Baterai Lithium. Jurnal Fisika Unand, 5(4), 357–363. https://doi.org/10.25077/jfu.5.4.357-363.2016

Issue

Vol. 5 No. 4 (2016)

Section

Articles

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Copyright (c) 2016 Aflahannisa Aflahannisa, Astuti Astuti

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