Simulation Analysis of the Effect of Temperature and Exchange Current Density on Power and Hydrogen Production of (PEM) Electrolyzer

Alhassan Salami Tijani; Mohd Ariffuddin Haiyoon

doi:10.4028/www.scientific.net/AMM.660.411

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 660Simulation Analysis of the Effect of Temperature...

Simulation Analysis of the Effect of Temperature and Exchange Current Density on Power and Hydrogen Production of (PEM) Electrolyzer

Abstract:

The purpose of this manuscript is to analyze the effect of temperature and exchange current density on operating cell voltage, resistance and ionic conductivity of the polymer electrolyte. Equations related to mathematical models for PEM Electrolyzer based on a combination of thermodynamics fundamental and electrochemical relations of the well-known Butler-Volmer kinetic have been used to simulate the system. The result of this study shows a significant drop in membrane Ohmic resistance as the temperature decreases. In conclusion the best operation temperature that corresponds to lower voltage (1.82 V) is 80°C. At power density of about 9 W/ cm², hydrogen flow rate of 3.5ml/min and 3.78 was observed at 40°C and 80°C respectively, this account for only about 7% increase hydrogen flow rate. These model results are found to agree well with previous published work.

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Periodical:

Applied Mechanics and Materials (Volume 660)

Pages:

411-415

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.660.411

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Online since:

October 2014

Authors:

Alhassan Salami Tijani*, Mohd Ariffuddin Haiyoon

Keywords:

Hydrogen, Modeling, PEM Electrolyser, Power, Thermal Analysis

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