Take a look at examples of scientific work that has been created using our products. We will gradually supplement the projects.

 

Topic: Analytical Modeling of the Polarization Curves of a 40-W Fuel Cell Stack 

Author: Shaker Haji 

Institution: Department of Chemical Engineering, College of Engineering, University of Bahrain 

 

Location: Manama, Kingdome of Bahrain 

Abstract 

In this study, the performance of a bench scale fuel cell stack, run on hydrogen/air, is measured experimentally. The experimental data, obtained from the 40-watt proton exchange membrane fuel cell (PEMFC), are used in estimating the parameters of a completely analytical model that describes the polarization curve. The analytical model consists of the three fundamental losses experienced by a fuel cell, namely: activation, ohmic, and concentration losses. The current loss is also considered in the model. While the Tafel constants, ohmic resistance, and the concentration loss constant are estimated through multiple linear regression analysis, the limiting current density and the current loss are obtained through measurements. The model and its estimated parameters are used to demonstrate the proportions of the three fundamental losses and to predict the fuel cell delivered power density as a function of the current density. The theoretical equations derived in the literature, which model fuel cell performance, are found to reasonably fit the obtained experimental data. 

Keywords: PEMFC, Performance Modeling, Polarization Curve, i-V curve, Fuel Cell Losses. 

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Topic: Rapport final de PFE P13 - Supervision d’une pile à combustible 

Author: Antoine Branquart, Juliette Obled

Mentor: Anne-Lise GEHIN 

Polytech'Lille Département Informatique Micro-electronique Automatique Bureau F007

Centre de Recherche en Informatique, Signal et Automatique de Lille

Institution: Polytech Lille, University of Lille

Location: Lille, France

Abstract 

De nos jours, le réchauffement climatique est au centre de toutes les problématiques mondiales.  Les  ressources  fossiles  que  nous  utilisons,  en  plus  de  s’épuiser,  polluent  énormément.  Le  monde  cherche  donc  à  se  tourner  vers  l’utilisation  d’énergies renouvelables. Cependant, aussi prometteuses qu’elles soient, les énergies renouvelables (issues  du  rayonnement  solaire,  du  vent,  de  l’eau)  ne  proposent  pas  d’énergie  à  la  demande  car  dépendent  de  nombreux  paramètres  tels  que  la  météo  au  moment  dit, l’heure de la journée et le moment de l’année. Il se pose donc un problème de stockage de  ces énergies pour réussir à se libérer totalement des énergies fossiles. C’est dans ce  cadre  que s’est constitué le projet européen ​Electrons to high value Chemical products (E2C)​. Pour la partie située au sein de l’Université de Lille, le projet consiste à étudier la combinaison  de  plusieurs  énergies  renouvelables  afin  d’en  sortir  une  production  la  moins  variable  possible,  un  stockage  du  surplus  d’énergie  vers  des  batteries  et  des bouteilles d’hydrogène grâce à l’électrolyse de l’eau. Les avantages de ce mode de stockage sont les suivants : en l'associant au stockage par batterie  disponible  dans  l'armoire  de  commande  de  la  plateforme,  on  obtient  un  gain non seulement en autonomie mais aussi en disponibilité en énergie. (...)

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Topic: Education & Research with a Flexible Hybrid RE System - Case Study

Institution: Brandenburg University of Technology Cottbus (BTU Cottbus, Germany), Chair of Power Plant Technology

Location: Cottbus, Germany

Client Request:

Expand Power Generation  

Education & Research into Renewable Energy Systems

BTU Cottbus approached Heliocentris with the goal of expanding their Power Generation Programs to include extensive teaching and research in the area of Renewable Energies.  The Chair of Power Plant Technolo-gy saw great demand for the integration of renewable energy systems into their programs and set a primary focus on power generation and the optimization of grid-tied renewable energy systems.  They wanted to couple their extensive knowledge of traditional energy systems based on coal and biomass, with renewable energy systems to create better and

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