PENGARUH VOLUME GRAFENA OKSIDA TERHADAP TEGANGAN KELUARAN DEVICE MOISTURE ELECTRICITY GENERATOR (MEG)

NOVAL ARRAHMAN, . (2024) PENGARUH VOLUME GRAFENA OKSIDA TERHADAP TEGANGAN KELUARAN DEVICE MOISTURE ELECTRICITY GENERATOR (MEG). Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Pemanfaatan bahan bakar fosil sebagai sumber energi primer masih dilakukan secara masif, sehingga menimbulkan dampak negatif bagi lingkungan, seperti peningkatan emisi karbon dan pencemaran lingkungan. Oleh karena itu, energi terbarukan yang ramah lingkungan perlu dikembangkan sebagai alternatif. Moisture Electricity Generator (MEG) memiliki potensi yang besar untuk mendukung energi baru terbarukan. MEG dapat menyerap molekul air dari kelembaban melalui gugus fungsi graphene oksida dan memicu migrasi ion-ion yang terdisosiasi di dalam lapisan graphene oksida sehingga menghasilkan listrik. Penelitian ini dilakukan untuk memfabrikasi MEG menggunakan lapisan graphene oxide (GO) dan mempelajari pengaruh volume GO terhadap tegangan keluaran. Metode yang digunakan dalam penelitian ini adalah drop casting dengan variasi volume GO sebanyak 1 ml, 1.5 ml, dan 2 ml. Kemudian, tegangan keluaran MEG diukur pada Relative Humidity (RH) 30%, 40%, dan 80%. Hasil penelitian menunjukkan bahwa tegangan keluaran tertinggi sebesar 0.231 volt oleh MEG dengan volume 2 ml GO pada RH 80%. Berdasarkan karakterisasi Contact Angle (CA), X-Ray Diffraction (XRD), dan Fourier Transform Infra-Red (FTIR) pada sampel MEG berbasis GO dengan volume 2 ml dapat diketahui bahwa perlakuan yang dilakukan pada GO hingga menjadi MEG berbasis GO tidak mengubah gugus fungsi oksigen yang dimiliki GO, sehingga sampel MEG berbasis GO memiliki sifat hidrofilik yang memiliki daya serap yang baik. (*****) The utilization of fossil fuels as a primary energy source is still carried out massively, resulting in negative impacts on the environment, such as increased carbon emissions and environmental pollution. Therefore, environmentally friendly renewable energy needs to be developed as an alternative. Moisture Electricity Generator (MEG) has great potential to support new renewable energy. MEG can absorb water molecules from moisture through graphene oxide functional groups and trigger the migration of dissociated ions in the graphene oxide layer to generate electricity. This research was conducted to fabricate MEG using graphene oxide (GO) layer and study the effect of GO volume on output voltage. The method used in this research is drop casting with GO volume variations of 1 ml, 1.5 ml, and 2 ml. Then, the MEG output voltage was measured at Relative Humidity (RH) 30%, 40%, and 80%. The results showed that the highest output voltage was 0.231 volts by MEG with 2 ml GO volume at 80% RH. Based on the characterization of Contact Angle (CA), X-Ray Diffraction (XRD), and Fourier Transform Infra-Red (FTIR) on GO-based MEG samples with a volume of 2 ml, it can be seen that the treatment carried out on GO to become GO-based MEG does not change the oxygen functional groups possessed by GO, so that GO-based MEG samples have hydrophilic properties that have good absorption.

Item Type: Thesis (Sarjana)
Additional Information: 1). Dr. Esmar Budi, M.T 2). Dr. Lia Aprilia
Subjects: Sains > Sains, Ilmu Pengetahuan Alam
Sains > Fisika
Divisions: FMIPA > S1 Fisika
Depositing User: Users 25326 not found.
Date Deposited: 12 Aug 2024 05:22
Last Modified: 12 Aug 2024 05:22
URI: http://repository.unj.ac.id/id/eprint/49658

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