J. Caire, A. Bouh, and E. Guilminot
LEPMI, UMR 5631, INPG - CNRS, Saint Martin d’Hères, France
EPCC, Arc'Antique, Nantes, France
Restoration of archaeological materials from oceans is a major activity of Arc’ Antique. Organic materials such as wood, tissues, leathers, papers and ceramics found in sea water are always impregnated with salts. Rinsing such archaeological objects with pure water to extract the salts takes too long, so electrophoresis was used to improve the salt extraction. The objective of this ...
E. Amores, J. Rodriguez Ruiz, C. Merino Rodríguez, and P. García Escribano
Centro Nacional del Hidrógeno
The production of hydrogen from renewable energy surplus is seen as a key strategy for energy storage. Centro Nacional del Hidrógeno works actively in this direction by considering a strategic line in order to achieve a sustainable energy future. Alkaline electrolysis is the main industrial way of obtaining hydrogen by electrolysis. However, commercial alkaline electrolyzers are designed for ...
R. Pushpangadan, S. S. Dimble, and S. P. Duttagupta
A three Dimensional model of the PEM Fuel cell is implemented using COMSOL Multiphysics and the channel width is varied to study the performance.Effect of channel width on the performance of the cell is studied by varying the width of the channel and keeping channel width to rib ratio constant at 1. Rib width is the width of the GDL area which is not covered by the channel. All other parameters ...
A. K. R. Paul, K. S. Gandhi, and A. K. Shukla
 Central Electrochemical Research Institute – Madras Unit, CSIR Complex, Taramani, Chennai, Tamil Nadu, India
 Department of Chemical Engineering, Indian Institute of Science, Bangalore , Karnataka, India
 Solid State & Structural Chemistry Unit, Indian Institute of Science, Bangalore , Karnataka, India
Direct borohydride fuel cells (DBFCs) use sodium borohydride (NaBH4) as fuel and hydrogen peroxide (H2O2) as an oxidant. A mathematical model encompassing mass balance of ionic species in different regions of the DBFC is developed. Both the oxidation of sodium borohydride and reduction of hydrogen peroxide are assumed to obey Tafel kinetics. This is combined with boundary conditions ...
Optimisation of the Electrochemical Instrumentation of a Wear Simulator through Finite Element Modelling
Déforge, D.1, 2, Ponthiaux, P.2, Wenger, F.2, Lina, A.1, Ambard, A.1
1 Electricité de France (EDF) R&D, Chemistry and corrosion group, Les Renardières, Moret sur Loing cedex, France
2 Laboratory LGPM, Ecole Centrale Paris, Chatenay-Malabry cedex, France
Stainless steels are often used in nuclear power plants due to their good corrosion resistance. This good behaviour is due to an oxide film which forms on their surface and insulates them from the corrosive media. Sometimes, flow-induced vibrations can however lead to some contacts between the components, and thus to the degradation of this oxide film. The mechanical removal leads to an increase ...
Finite Element Analysis of an Enzymatic Biofuel Cell: The Orientations of a chip inside a blood artery
C. Wang, Y. Parikh, Y. Song, and J. Yang
Mechanical & Materials Science Engineering, Florida International University, Miami, Florida, USA
Output performance of an implantable enzymatic biofuel cell (EBFC) with three- dimensional highly dense micro-electrode arrays has been simulated with a finite element analysis approach. The purpose of this research is to optimize the orientation of this EBFC chip inside a blood artery such that the mass transport of glucose around all the micro-electrodes can be improved and hence output ...
E. Holzbecher, J. Fuhrmann, R. Halseid, and R.J. Behm
 WIAS, Numerische Analysis, Berlin
 Universität Ulm, Ulm
Two designs for thin layer flow cells were set up at University of Ulm, Germany, in order to identify parameters describing the kinetics of methanol-oxydation – reactions, to be utilized in fuel cells. Computer models for two designs were constructed using COMSOL Multiphysics. Results from the numerical simulations were used to evaluate the different flow cell designs. The aim to ...
Politecnico di Torino
In this paper, a model of a tubular fuel cell is proposed and includes thermo-fluid dynamics, chemical reactions and electrochemistry. The main results presented are the temperature distribution, the concentration of species and the polarization curves.
Current Density Simulations in the Electrodeposition from Ionic Liquids: Effects of the Conductivity
I. Perissi, C. Borri, S. Caporali, and A. Lavacchi
Department of Chemistry, University of Firenze, Sesto Fiorentino, FI, Italy
The overall goal of this work is the use of COMSOL Multiphysics® in the modeling of the current density distributions for the electrodeposition of aluminum coatings from ionic liquids. The local current distribution is strongly dependant on the conductivity and on the geometry of the galvanic cell and can only be computed by the numerical solution of the partial differential equations ...
SRI International, Menlo Park, CA, USA
Iouri Balachov is a Senior Scientist at SRI International (Menlo Park, CA) where he is leading development of Direct Carbon Fuel Cell technology for clean and efficient power generation from coal, biomass, and a wide variety of carbon containing fuels. Prior to SRI he was an engineer at Westinghouse nuclear (Pittsburgh, PA), researcher at Penn State University (State College, PA), and researcher ...