Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers

Ibrahim H. Tawil; Zahra Gebre; Salem Khamkhem; Abdulnasir Amir; Abdulhamid Salim Alajmi

doi:10.51646/jsesd.v15i1.863

2026, Vol: 15, Issue: 1

15 / 1Current Issue

Technical Note
Online Published: 01 Aug 2026

Sol. Energy Sustain. Dev.. 2026; 15(1): 1-26

doi: 10.51646/jsesd.v15i1.863

Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers

Ibrahim H. Tawil, Zahra Gebre, Salem Khamkhem, Abdulnasir Amir, Abdulhamid Salim Alajmi.

Abstract
This study presents a MATLAB-based computational model for the thermochemical and electrochemical analysis of low-temperature technologies. The model accurately predicts thermodynamic limits and key performance indicators, including reversible cell voltage and hydrogen production, as a function of operating temperature. Findings consistently demonstrate that increasing temperature reduces the reversible cell potential and Gibbs free energy change (ΔG), As a result, it lowers the electrical energy consumption for water splitting and improves the rate of hydrogen production. This analysis has validated that operating the Electrolyser at higher temperatures results in consistently higher performing AEM (50-80C), AWE (60-90C), and PEM (50-100C) systems by lowering cell voltage, boosting the amount of hydrogen produced per minute and enhancing thermodynamic efficiency. It’s worth noting that PEMs provided the greatest yield at 9.52 L/min and AWEs gained the highest efficiency of 61.74%.

Key words: Water electrolysis, low operating temperature, hydrogen production, Electrochemical, temperature

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How to Cite this Article

Pubmed Style

Tawil IH, Gebre Z, Khamkhem S, Amir A, Alajmi AS. Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers. Sol. Energy Sustain. Dev.. 2026; 15(1): 1-26.

doi:10.51646/jsesd.v15i1.863

Web Style

Tawil IH, Gebre Z, Khamkhem S, Amir A, Alajmi AS. Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers. https://www.jsesd.org/?mno=302658380 [Access: November 10, 2026].

doi:10.51646/jsesd.v15i1.863

AMA (American Medical Association) Style

Tawil IH, Gebre Z, Khamkhem S, Amir A, Alajmi AS. Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers. Sol. Energy Sustain. Dev.. 2026; 15(1): 1-26.

doi:10.51646/jsesd.v15i1.863

Vancouver/ICMJE Style

Tawil IH, Gebre Z, Khamkhem S, Amir A, Alajmi AS. Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers. Sol. Energy Sustain. Dev.. (2026), [cited November 10, 2026]; 15(1): 1-26.

doi:10.51646/jsesd.v15i1.863

Harvard Style

Tawil, I. H., Gebre, . Z., Khamkhem, . S., Amir, . A. & Alajmi, . A. S. (2026) Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers. Sol. Energy Sustain. Dev., 15 (1), 1-26.

doi:10.51646/jsesd.v15i1.863

Turabian Style

Tawil, Ibrahim H., Zahra Gebre, Salem Khamkhem, Abdulnasir Amir, and Abdulhamid Salim Alajmi. 2026. Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers. Solar Energy and Sustainable Development, 15 (1), 1-26.

doi:10.51646/jsesd.v15i1.863

Chicago Style

Tawil, Ibrahim H., Zahra Gebre, Salem Khamkhem, Abdulnasir Amir, and Abdulhamid Salim Alajmi. "Thermochemical and Electrochemical Modeling Using MATLAB for Performance Evaluation of Low Temperature Electrolysers." Solar Energy and Sustainable Development 15 (2026), 1-26.

doi:10.51646/jsesd.v15i1.863

MLA (The Modern Language Association) Style

doi:10.51646/jsesd.v15i1.863

APA (American Psychological Association) Style

doi:10.51646/jsesd.v15i1.863

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