Article (Scientific journals)
Evaluation of the hydrogen/oxygen and thermoelectric production of a hybrid solar PV/T-electrolyzer system
Kenfack, Armel Zambou; Chara-Dackou, Venant Sorel; Simo, Elie et al.
2024In Results in Engineering, 24, p. 102920
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Keywords :
Electrolyzer; Exergy optimization; Hydrogen production; Solar PV/T system; Thermoelectric production; Electrolyzers; Energy; Photovoltaic thermals; Photovoltaic/thermal systems; Production of hydrogen; Solar photovoltaic-thermal system; Solar photovoltaics; Thermoelectric; Engineering (all)
Abstract :
[en] In order to achieve a sustainable, low-carbon energy future, it is necessary to develop innovative and integrated solutions. However, one of the main obstacles to the advancement of renewable energy is storage. With this in mind, hybrid systems combining solar energy and hydrogen production have great potential. This article focuses on the evaluation of a solar PV/T (photovoltaic-thermal) system coupled with an electrolyser for the joint production of hydrogen and heat. Simulations are performed in MATLAB. The analysis reveals that with PV/T power supply, the production potential is estimated at 179.6 W and 551.9 W respectively for electrical and thermal power. An in-depth study aimed at optimizing the system by evaluating the quality of the energy used in the water electrolysis process makes it possible to analyze the effect of certain operating parameters. With a water flow of 5.7 ×10−3 m3/h, a current density of 200 mA/ cm2 and an electrolyzer temperature of 60 °C, the monthly production of hydrogen and oxygen reaches the maximum values of 4.85 m3 and 2.42 m3 respectively. This led to a maximum exergy efficiency of 57.8 %. This study demonstrates the linearity between hydrogen production and current density which at high density reduces exergy performance.
Precision for document type :
Critical notes/Edition
Disciplines :
Physics
Author, co-author :
Kenfack, Armel Zambou;  Energy and Environment Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, Cameroon
Chara-Dackou, Venant Sorel ;  Energy and Environment Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, Cameroon ; Carnot Energy Laboratory (CEL), Department of Physics, Faculty of Science, University of Bangui, Bangui, Central African Republic
Simo, Elie;  Energy and Environment Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, Cameroon
Kameni Nematchoua, Modeste ;  Université de Liège - ULiège > Département ArGEnCo > Urbanisme et aménagement du territoire ; Université de Liège - ULiège > Urban and Environmental Engineering
Language :
English
Title :
Evaluation of the hydrogen/oxygen and thermoelectric production of a hybrid solar PV/T-electrolyzer system
Publication date :
December 2024
Journal title :
Results in Engineering
eISSN :
2590-1230
Publisher :
Elsevier B.V.
Volume :
24
Pages :
102920
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 07 June 2026

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