...Minh-Quy Le; Huu-Tu Nguyen; Thanh-Lam Bui We study through extensive finite element analysis the lithium diffusion in small elements of Si anodes under the forms of spheres, rods, and circular disks for Li-ion batteries. Elastoplastic properties of the amorphous silicon are assumed to be lithium...

..., and elastic thermophysical properties) affect seal leakage rates. The leakage results predicted by the aforementioned computational leakage model are then compared with experimental results. 18 06 2007 17 07 2008 25 03 2011 25 03 2011 fast Fourier transforms finite element...

... 2010 01 03 2011 01 03 2011 computational fluid dynamics electrochemical devices electrochemical electrodes finite element analysis solid oxide fuel cells SOFC modeling internal reforming reactions anode-supported transport processes Fuel cells are energy...

... 24 07 2010 04 11 2010 04 11 2010 failure analysis finite element analysis proton exchange membrane fuel cells proton exchange membrane fuel cell gas diffusion layer assembly pressure failure criterion prediction model Proton exchange membrane fuel cells (PEMFCs...

... loading only at p2 02 10 2009 16 10 2009 03 11 2010 03 11 2010 electrochemical electrodes finite element analysis finite volume methods freezing proton exchange membrane fuel cells thermal analysis thermal insulation Quick startup of a proton exchange...

... the manufacturability perspective because it is also another important factor that should be considered in the design stage. The key geometric dimensions of flow field section, where the rupture occurs, are extracted and parametrized. Finite element analysis model is established to analyze the formability of BPP...

... element analysis finite volume methods iterative methods two-phase flow By applying the combined finite element-upwind finite volume method ( 11 12 13 9 ) to a linearized 3D steady-state, two-phase DMFC model together with Newton’s method, we define the following combined FEM-upwind...

... of real thin metallic BPPs with some process amendment. The first investigation of this study focuses on the forming of micro-channel features with 100 μ m thickness stainless steel sheet. A finite element analysis (FEA) model is built and key process parameters (hardness of soft tools used in FFP...

... due to compression applied from the shoulders of the bipolar plates was modeled as a plain-strain problem and was determined using finite element analysis (FEA). The porosity and the permeability of the gas diffusion layer were then recalculated based on the deformation results. Next, the deformed...

... for ε = 0.6 15 04 2007 25 07 2008 11 08 2009 chemically reactive flow current density electrochemical electrodes finite element analysis mass transfer orifices (mechanical) proton exchange membrane fuel cells proton exchange membrane fuel cell air-breathing...

... failure analysis finite element analysis probability solid oxide fuel cells Since the entire stack of a solid oxide fuel cell (SOFC) is a very complicated, coupled system involving multiple components and various chemical, thermal, electrical, and mechanical reactions, the completely coupled...

... in order to provide realistic temperature profiles to the finite-element analysis of the ceramic SOFC membrane-electrode assembly (MEA). The resulting simulation tool is employed for three different analyses: In the first analysis, temperature profiles provided by the thermo-electrochemical model are used...

.... The diagonal GDL pressure values of the structures with optimized bolt loads. The first load value refers to the corner bolt, the second to the bolts next to the corner, and the last to the bolts at the middle of the edges. 31 10 2006 19 10 2007 09 09 2008 finite element analysis...

... was calculated and the improved design was suggested. 16 06 2006 22 01 2007 01 02 2008 finite element analysis proton exchange membrane fuel cells PEM fuel cell cylindrical structure self breathing modeling Proton exchange membrane fuel cell is a promising power source...

.... Nevertheless, several key issues need to be resolved before fuel cells can become competitive with other energy conversion techniques. One of these key issues is water management. catalysts convection drag electrochemistry electrophoresis finite element analysis finite volume methods Galerkin...

.... The agreement between the obtained results is very good. electric resistance finite difference methods finite element analysis partial differential equations solid oxide fuel cells fuel cell solid oxide fuel cell ohmic resistance partial differential equation finite elements method finite...

... for the high load (Fig. 7b —zone B) the same temperature variation is related to a current increasing of 6 A . 30 11 2005 15 03 2006 proton exchange membrane fuel cells finite element analysis cooling reliability mathematics computing PEM fuel cell dynamic modeling...

... thickness 50 μ m and fixed loading. The directions x , y , and z (Figs. 3 4 5 ) correspond to directions 1, 3, and 2 in Eqs. 1 , 2 , 3 , 4 , 5 , 6 , respectively. In the finite element analysis, the initial relative humidity of the membrane is 35%, and then increased to 100...

... oxide fuel cells. Fracture strengths of 8 mol % YSZ electrolytes as 100 × 100 mm squire plates, 23 mm disks, and 17 mm disks were evaluated using plate tensile, ball-on-ring, and pressure-on-ring testing methodologies, respectively. Finite element analysis (FEA) was validated and used to calculate...

... ). In this report, a multiphysics modeling of it, including the mass balance of diffusion and adsorption of the gases, the electronic/ionic current balance, and the electrochemical charge transfer reactions will be discussed and a proper finite-element analysis (FEA) model framework for the half-cell SOFC studied...