Prabowo, Rachmad Sulaksono (2021) Penambahan Iodin Dan Pelapisan Polianilin Pada Anoda Li4Ti5O12 Dengan Metode Penggilingan Sederhana Untuk Meningkatkan Performa Baterai Ion Litium. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Lithium Titanate Oxide (Li4Ti¬5O12, LTO) menjadi material alternatif pengganti grafit sebagai anoda baterai ion litium pada umumnya. Anoda Li4Ti5O12 memiliki kelebihan seperti umur siklus yang panjang, perubahan volume yang kecil (zero strain), stabilitas termal yang baik dan daya yang relatif tinggi. Namun, LTO masih memiliki kekurangan, seperti konduktifitas elektrik yang rendah. Peningkatan performa anoda Li4Ti5O12 dilakukan dengan berbagai metode pada penelitian sebelumnya, salah satunya menambahkan (doping) suatu unsur. Doping unsur ini akan menciptakan karakteristik tertentu. Pada penelitian ini, penambahan variasi Iodin (0,1, 0,15, dan 0,2 mol) dilakukan ke dalam anoda Li4Ti5O12 menggunakan metode reaksi solid-state. Proses pelapisan variasi PANI (5%, 10%, dan 15% wt.) juga dilakukan dengan metode penggilingan sederhana setelah doping. Hasil penelitian menunjukkan penambahan Iodin meningkatkan kapasitas spesifik anoda LTO dengan nilai tertinggi pada LTO 0.2 LI yaitu 187,063 mAh g-1 dan peningkatan koefisien difusi ion litium dengan nilai tertinggi pada sampel LTO 0.15 LI yaitu 8,2334 x 10-12 cm-2s-1. Sedangkan pelapisan PANI juga meningkatkan kapasitas spesifik anoda LTO dengan nilai tertinggi pada LTO 0.15 LI 5% PANI yaitu 197,05 mAh g-1, diikuti peningkatan koefisien difusi ion litium tertinggi dengan nilai 4,27 x 10-10 cm-2s-1.
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Lithium Titanate Oxide (Li4Ti¬5O12, LTO) is an alternative material to replace graphite as a typical lithium-ion battery anode. Li4Ti5O12 anode has advantages such as long cycle life, small volume change (zero strain), good thermal stability, and relatively high power. However, LTO still has disadvantages, such as low electrical conductivity. Increasing the performance of Li4Ti¬5O12 anode was carried out by various methods in previous studies, one of which was adding (doping) an element. These adding elements will create specific characteristics. In this research, the variation of Iodine (0.1, 0.15, and 0.2 moles) was added to the Li4Ti5O12 anode using the solid-state reaction method. The coating process of the PANI variation (5%, 10%, and 15% wt.) was also carried out by a simple grinding method after doping. The results showed that the addition of iodine increased the specific capacity of the LTO anode with the highest value at LTO 0.2 LI, namely 187.063 mAh g-1, and an increase in the lithium-ion diffusion coefficient with the highest value in the LTO 0.15 LI sample, namely 8.2334 x 10-12 cm-2s-1. Meanwhile, PANI coating also increased the specific capacity of the LTO anode with the highest value at 0.15 LI 5% PANI LTO, namely 197.05 mAh g-1, followed by an increase in the highest lithiumion diffusion coefficient with a value of 4.27 x 10-10 cm-2s-1.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Li4Ti¬5O12 Anode, Solid State, Doping I, PANI, Anoda Li4Ti¬5O12, Solid State, Doping I, PANI |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2921 Lithium cells. T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL220 Electric vehicles and their batteries, etc. |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 27101-(S2) Master Thesis |
| Depositing User: | Rachmad Sulaksono Prabowo |
| Date Deposited: | 14 Aug 2021 05:32 |
| Last Modified: | 14 Aug 2021 05:32 |
| URI: | http://repository.its.ac.id/id/eprint/86286 |
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