SHOLEHUDDIN, MUHAMMAD SYARIF (2025) STUDI PENGOLAHAN LIMBAH BATERAI LiFePO4 BEKAS MELALUI METODE HIDROMETALURGI UNTUK DIJADIKAN MATERIAL AKTIF KATODA LiFePO4. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
The study of used LiFePO4 cathode processing is a learning on how to process waste LiFePO4 batteries to recycle cathodes in batteries. The batteries will be recycled into metal elements such as Li, Fe, and PO4 to be reused. This study aims to find out the process in recycling batteries and to find out the characterization of the cathode samples that have been recycled. The method used for this study is the hydrometallurgical method. Hydrometallurgy is a method of extracting metals with the help of solvents such as sulfuric acid compounds and so on. This method has advantages such as low energy consumption, high metal recovery rate, and high metal purity. In this study, sample characterization was carried out with the help of tools such as XRD and SEM. The results obtained from the XRD test tool showed that the pretreatment sample phase and the non-pretreatment sample did not show the LiFePO4 phase, but phases such as Zabuyelite, Lithiophosphate, and Li1,05Fe95O2. Then in the SEM test, the two samples experienced agglomeration which was characterized by the presence of particles joining each other and not being uniform. In addition, the particle size of the pretreatment sample and the non-pretreatment sample had a particle size of 40.576 μm and 42.014 μm. From this study, it can be concluded that the recovery of the LiFePO4 cathode was not successful. This is due to several factors, including improper equipment, contamination during the research, improper synthesis methods, and less than optimal battery recycling processes.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Studi pengolahan katoda LiFePO4 bekas merupakan pembelajaran mengenai cara pengolahan limbah baterai LiFePO4 bekas untuk mendaur ulang katoda pada baterai. Baterai tersebut akan di daur ulang pada elemen logam seperti Li, Fe, dan PO4 untuk dapat digunakan kembali. Penelitian ini bertujuan untuk mengetahui proses dalam mendaur ulang baterai dan untuk mengetahui karakterisasi dari sampel katoda yang sudah di daur ulang. Metode yang digunakan untuk penelitian ini adalah metode hidrometalurgi. Hidrometalurgi yaitu metode pengekstrakan logam dengan bantuan berupa pelarut seperti senyawa asam sulfat dan sebagainya. Metode ini memiliki keunggulan seperti konsumsi energi yang rendah, tingkat pemulihan logam yang tinggi, dan kemurnian logam yang tinggi. Dalam penelitian ini karakterisasi sampel dilakukan dengan bantuan alat seperti XRD dan SEM. Hasil yang diperoleh dari alat pengujian XRD menunjukkan fasa sampel pretreatment dan sampel non-pretreatment tidak menunjukkan fasa LiFePO4, melainkan fasa seperti Zabuyelite, Lithiophosphate, dan Li1,05Fe95O2. Kemudian pada pengujian SEM kedua sempel tersebut mengalami aglomerasi yang ditandai oleh adanya partikel-partikel saling bergabung dan tidak seragam. Selain itu ukuran partikel dari sampel pretreatment dan sampel non-pretreatment memiliki ukuran partikel 40,576 μm dan 42,014 μm. Dari penelitian ini dapat disimpulkan bahwa pemulihan katoda LiFePO4 tidak berhasil dilakukan. Hal ini disebabkan oleh beberapa faktor di antaranya yaitu dari segi peralatan yang kurang tepat, terdapat kontaminasi pada saat penelitian berlangsung, metode sintesis yang kurang tepat, dan proses daur ulang baterai yang kurang optimal. | |||||||||
| Uncontrolled Keywords: | LiFePO4, Hydrometallurgy, Pretreatment, Non-pretreatment. LiFePO4, Hidrometalurgi, Pretreatment, Non-pretreatment. | |||||||||
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics |
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| Divisions: | 02-Fakultas Keguruan dan Ilmu Pendidikan 02-Fakultas Keguruan dan Ilmu Pendidikan > 84203-Jurusan Pendidikan Fisika |
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| Depositing User: | Muhammad Syarif Sholehuddin | |||||||||
| Date Deposited: | 29 Sep 2025 03:56 | |||||||||
| Last Modified: | 08 Oct 2025 03:57 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/55027 |
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