Modifikasi Permukaan Anoda Aluminium Pada Baterai Aluminium-Udara Melalui Elektrodeposisi Zinc-Manganese

Wahyuningtyas, Lusia Emiliana (2025) Modifikasi Permukaan Anoda Aluminium Pada Baterai Aluminium-Udara Melalui Elektrodeposisi Zinc-Manganese. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Baterai Aluminium-Udara (BAUD) merupakan salah satu teknologi baterai yang menjanjikan karena memiliki ketersediaan bahan baku yang melimpah, kapasitas teoritis yang tinggi, biaya rendah, dan aman. Namun, pengembangan baterai ini terhambat oleh terbatasnya efisiensi energi akibat tingkat self-corrosion anoda aluminium yang tinggi dalam larutan basa, baik pada kondisi open-circuit maupun saat discharging baterai. Penelitian ini bertujuan untuk meningkatkan kinerja anoda aluminium dalam sistem penyimpanan energi BAUD dengan menggunakan paduan aluminium sebagai anoda dan mememodifikasi permukaannya melalui elektrodeposisi logam seng dan mangan (Zn-Mn). Pada penelitian ini digunakan paduan aluminium 6061, 5052, 3003, dan 7075 sebagai anoda untuk mengamati pengaruh paduan aluminium terhadap kinerja anoda pada baterai aluminium udara. Elektrodeposisi Zn-Mn dilakukan dengan arus 0,3 A/cm2. Basis elektrolit yang digunakan pada BAUD ini bersifat basa, yaitu KOH. Ditambahkan juga zat aditif pada elektrolit basa berupa ZnO dan CTAB sebagai inhibitor korosi untuk meningkatkan stabilitas system baterai. Setelah proses pelapisan, anoda akan dikarakterisasi menggunakan X-Ray Diffraction (XRD) dan Scanning Electron Microscopy (SEM) untuk menganalisa morfologi dan hasil elemen paduan yang tertdeposisi. Pengujian Cyclic Voltametry (CV) dan Linear Polarization (LP)) dilakukan untuk mengobservasi sifat elektrokimia setengah sel anoda. Pengujian sel baterai penuh dilakukan dengan uji charge-discharge.
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The Aluminum-Air Battery (AAB) is a promising energy storage technology due to its abundant raw material availability, high theoretical capacity, low cost, and inherent safety. However, its development is hindered by limited energy efficiency caused by the high self-corrosion rate of the aluminum anode in alkaline electrolytes, both in open-circuit conditions and during discharge. This study aims to enhance the performance of aluminum anodes in AAB systems by utilizing aluminum alloys as anode materials and modifying their surface through zinc-manganese (Zn-Mn) electrodeposition. In this research, aluminum alloys 6061, 5052, 3003, and 7075 were employed as anodes to evaluate the effect of alloy composition on anode performance in an aluminum-air battery system. Zn-Mn electrodeposition was conducted using a current density of 0.3 A/cm². The alkaline electrolyte used in the AAB system consisted of KOH, with the addition of ZnO and CTAB as corrosion inhibitors to improve battery stability. Following the electrodeposition process, the anodes were characterized using X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) to analyze their surface morphology and the composition of the deposited alloy elements. Electrochemical performance was assessed through Cyclic Voltammetry (CV) and Linear Polarization (LP) to examine the half-cell electrochemical properties of the anode. Furthermore, full-cell battery performance was evaluated through charge-discharge testing.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Anoda, Baterai Aluminium Udara, Elektrodeposisi, Inhibitor, Paduan Aluminium, Anode, Aluminum-Air Battery, Electrodeposition, Corrosion Inhibitor, Aluminum Alloy
Subjects:	Q Science > QD Chemistry > QD115 Electrochemical analysis Q Science > QD Chemistry > QD181.Z6 Zinc oxide Q Science > QD Chemistry > QD553 Electrochemistry. Electrolysis T Technology > TP Chemical technology > TP255 Electrochemistry, Industrial. T Technology > TP Chemical technology > TP994 Surface active agents.
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Chemical Engineering > 24101-(S2) Master Thesis
Depositing User:	Lusia Emiliana Wahyuningtyas
Date Deposited:	03 Feb 2025 03:06
Last Modified:	03 Feb 2025 03:06
URI:	http://repository.its.ac.id/id/eprint/117678

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