PENGARUH MICROPOROUS LAYER (MPL) PADA MEMBRANE ELECTRODE ASSEMBLY (MEA) DALAM PROSES KONVERSI CO2 MENJADI METANOL SECARA ELEKTROKIMIA

HOTIMAH, HAWATI HUSNUL and Rohendi, Dedi (2024) PENGARUH MICROPOROUS LAYER (MPL) PADA MEMBRANE ELECTRODE ASSEMBLY (MEA) DALAM PROSES KONVERSI CO2 MENJADI METANOL SECARA ELEKTROKIMIA. Undergraduate thesis, Sriwijaya University.

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Abstract

This research utilizes CO2 gas to become methanol through an electrochemical method using a Membrane electrode assembly (MEA). The MEA used consists of MEA-A with a Microporous layer (MPL) layer on the cathode and MEA-B which does not have an MPL layer. The electrode on the MEA has a different catalyst composition, where the cathode uses a Cu2O-ZnO/C catalyst while the anode uses Pt/C. The cathodes of both MEAs were characterized using scanning electron microscope (SEM) analysis. The CO2 conversion process into methanol uses a single-stage electrolyzer in two conditions, namely a fixed voltage of 1.8 V and a fixed current of 0.05 A with operating times of 2, 4, 6 and 8 hours. The percentage of methanol produced is then measured through methanol analyzer analysis. The morphology of cathode-A has an average pore size of 0.158 μm and cathode-B is 0.181 μm. The thickness of cathode-A and cathode-B were respectively found to be 249.36 μm and 243.27 μm. The highest methanol concentration under constant current conditions of 0.05 A was produced at 8 hours of MEA-A operation with a methanol concentration of 10% w/v. Meanwhile, under constant voltage conditions of 1.8 V, the highest methanol concentration was produced at 2 hours of operation with MEA-A of 9% w/v.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Membran Electrode Assembly (MEA), Microporous Layer (MPL), Konversi CO2, Metanol
Subjects:	Q Science > QD Chemistry > QD1-999 Chemistry Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Hawati Husnul Hotimah
Date Deposited:	21 Mar 2024 04:34
Last Modified:	21 Mar 2024 04:34
URI:	http://repository.unsri.ac.id/id/eprint/141995

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