... micromechanical devices polarisation proton exchange membrane fuel cells PEM fuel cell micro-fuel-cell stack portable generator transient load changes The development of portable and wireless consumer electronics over the past few years has an explosive growth. The portable applications...

... 11 2008 anodes cathodes cobalt compounds electrochemical electrodes electrolytes lanthanum compounds nitrogen compounds polarisation solid oxide fuel cells strontium compounds yttrium compounds zirconium compounds An experimental analysis on single planar anode supported...

... at 700 ° C . The maximum power density of 0.35 W ∕ cm 2 is attended. 25 04 2007 16 03 2008 06 11 2008 cobalt compounds electrochemical electrodes electrochemical impedance spectroscopy lanthanum compounds nanoparticles nanotechnology polarisation solid oxide fuel cells...

... electrolysis polarisation solid oxide fuel cells SOEC degradation YSZ SOFC stack electrode polarization Solid oxide fuel cells (SOFCs) are of current interest as devices that convert chemical energy directly into electricity, since they can use the hydrogen and hydrocarbon fuels efficiently...

... treatment strontium compounds polarisation lanthanum compounds potassium compounds nickel compounds 12 12 2005 08 06 2006 2007 American Society of Mechanical Engineers ...

... be used to predict concentration polarization effects for a variety of fuel cells. 18 10 2005 23 05 2006 fuel cells mass transfer channel flow diffusion polarisation computational fluid dynamics Fuel cells have become the subject of much active engineering research in recent...

... electrochemistry ionic conductivity diffusion polarisation cermets 23 12 2005 03 04 2006 2007 American Society of Mechanical Engineers ...

..., however, caused oscillation in cell voltages as the sulfur level in natural gas was not constant. 30 11 2005 24 03 2006 solid oxide fuel cells electrochemical electrodes polarisation hydrogen oscillations solid oxide fuel cell anode supported structure autothermal reformer...

... morphology Raman spectroscopy scanning electron microscopy Fourier transform spectroscopy infrared spectroscopy polarisation plasma radiofrequency heating Carbon electrodes are one of the key materials in polymer electrolyte fuel cells (PEFC), or proton exchange membrane fuel cells (PEMFC...

... resistance in optimization designing of a bipolar plate of fuel cells. 01 08 2005 19 12 2005 solid oxide fuel cells electrochemical electrodes electrolytes polarisation plates (structures) contact resistance Fuel cells are always desired to have electrical power densities...

... proton exchange membrane fuel cells diffusion plates (structures) channel flow polarisation catalysts cathodes current density humidity Fuel cells are electrochemical devices that directly convert chemical potential into electrical power. Due to their low operating temperature, high...

... − → 2 H 2 O proton exchange membrane fuel cells aluminium electrolytes adhesion electroplating vapour deposited coatings corrosion protective coatings polarisation contact resistance metallic thin films life testing surface treatment 21 03 2004 09 03 2005...

..., indicating the capability of manufacturing MEA is acceptable. 24 03 2004 20 08 2004 fuel cell power plants organic compounds electrochemical electrodes membranes current density polarisation Direct Methanol Fuel Cell (DMFC) Membrane Electrode Assembly (MEA) Open Circuit Voltage...

... ( 18 19 20 21 22 23 ). Finally, there are some finite-element/CFD models for heat and mass transport inside the electrodes and the internal re-forming process ( 24 ). Some of these models are fairly detailed and computationally intensive. solid oxide fuel cells polarisation current...

... geometry. Good agreement is observed between the data and the model predictions for a wide range of contacting pressures and materials. 31 03 2004 31 03 2004 contact resistance diffusion proton exchange membrane fuel cells polarisation electric resistance measurement There has...