Perancangan Aplikasi Berbasis IoT Untuk Analisis Kondisi Discharge Baterai Dengan Variasi C-Rate

Sawung, Jheskia Ardito (2025) Perancangan Aplikasi Berbasis IoT Untuk Analisis Kondisi Discharge Baterai Dengan Variasi C-Rate. Bachelor thesis, Institut Teknologi Kalimantan.

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Abstract

Baterai lithium-ion (Li-ion) merupakan salah satu teknologi penyimpanan energi yang banyak digunakan karena keunggulannya dalam kepadatan energi tinggi, kemampuan pengisian ulang cepat, dan efisiensi pemakaian. Namun dibalik kelebihannya tersebut terdapat kelemahan dari baterai lithium-ion, yaitu performa dan umur baterai sangat dipengaruhi oleh faktor seperti C-rate dan temperatur baterai lithium-ion. C-rate yang tinggi dapat meningkatkan suhu dan mempercepat degradasi baterai, sedangkan C-rate rendah cenderung menghasilkan suhu lebih rendah dan kapasitas lebih optimal. Penelitian ini bertujuan merancang sistem pemantauan State of Charge (SoC) baterai berbasis Internet of Things (IoT) yang mampu memonitor kondisi baterai secara real-time. Sistem ini menggunakan mikrokontroler ESP32 yang terhubung dengan sensor tegangan, sensor arus ACS712, dan sensor suhu LM35. Data yang dikumpulkan dikirim ke Firebase dan ditampilkan melalui aplikasi Android berbasis MIT App Inventor. Penelitian difokuskan pada siklus discharge dengan variasi C-rate: 1C, C/2, C/5, C/10, dan C/20. Estimasi SoC dilakukan menggunakan metode coulomb counting. Hasil menunjukkan bahwa semakin rendah C-rate, kapasitas yang diperoleh cenderung meningkat, bahkan pada C/20 melebihi kapasitas nominal. Evaluasi akurasi menggunakan RMSE menghasilkan nilai kesalahan 0,12% hingga 4,04%. Sistem ini dapat menjadi solusi efektif dalam pemantauan baterai berbasis IoT.

Item Type:	Thesis (Bachelor)
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Jurusan Teknologi Industri dan Proses > Teknik Elektro
Depositing User:	Jheskia Ardito Sawung
Date Deposited:	09 Jul 2025 05:58
Last Modified:	09 Jul 2025 05:58
URI:	http://repository.itk.ac.id/id/eprint/23421

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