PEMBUATAN DAN PENGUJIAN MEMBRANE ELECTRODE ASSEMBLY (MEA) UNTUK PROTON EXCHANGE MEMBRANE FUEL CELL (PEMFC) DENGAN KATALIS Pt-Ni/C

PRATAMA, BAYU and Rohendi, Dedi and Syarif, Nirwan (2018) PEMBUATAN DAN PENGUJIAN MEMBRANE ELECTRODE ASSEMBLY (MEA) UNTUK PROTON EXCHANGE MEMBRANE FUEL CELL (PEMFC) DENGAN KATALIS Pt-Ni/C. Undergraduate thesis, Sriwijaya University.

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Abstract

Fabrication and characterization of electrodes Pt-Ni/C and its application directly in proton exchange membrane fuel cell (PEMFC) has been done. The electrodes are made by using a mixture of Platinum and Nickel catalyst that is distributed to gas diffusion layer (GDL) using the method of impregnation. Mix catalyst contains a variation of the percentage of 0%, 20%, 40%, 60%, 80% and 100% Pt’s loading against Ni with total of 0.5 mg/cm2. XRD analysis results showed carbon at position 2= 20-30o, Peak of Platinum is at position 2= 39.94o. XRD analysis to GDL with Catalyst mixture of Platinum and Nickel, no specific nickel peaks are detected. This does not mean that no nickel is impregnated. The impregnated nickel is probably amorp-form so that it is undetectable by XRD. Voltammogram Curves resulting from Cyclic Voltammetry test (CV) indicates the presence of the reversible reaction, shown with the formation of the anodic peak (upper curve) and cathodic peak (bottom curve). This shows that there has been a redox reaction in the process of fusion between Pt and Ni. The catalytic activity of the electrode data calculated from the results of CV by using the Electrochemial Surface Area (ECSA) method. The highest catalytic activity at 60% of Pt electrode 4.2 x 10-11 cm2/gr and the lowest at 20% of Pt electrode 1.3 x 10-11 cm2/gr. In electrical conductivity test using a digital multimeter with auto DC power supply as well as digital, obtained the highest value at 60% of Pt 0.0208 S.m-1 and the lowest value at 0% of Pt 0.0153 S.m-1. Applications made on stack PEMFC and obtained data OCV (open circuit voltage) as well as the value of the current and voltage when given the resistor varies. The highest value of the OCV on 60% of Pt of 35 mV and the lowest at 100% Pt of 28 mV.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	proton exchange membrane fuel cell, cathalyst, impregnation,platinum, nickel
Subjects:	Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry Q Science > QD Chemistry > QD71-142 Analytical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Dies Meirita Sari
Date Deposited:	30 Jul 2019 03:54
Last Modified:	30 Jul 2019 03:54
URI:	http://repository.unsri.ac.id/id/eprint/1256

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