Showing 1 - 10 of 26
Carbon paper is commonly used as the gas diffusion layer (GDL) in polymer electrolyte membrane (PEM) fuel cells as it exhibits high chemical and mechanical durability. This diffusion medium is also anisotropic, which directly affects its transport properties and specifically the thermal...
Persistent link: https://www.econbiz.de/10011041436
Efficient and clean vehicles are highly demanded in China due to the increasing severe energy and environmental issues. In this study, based on the current (2009) and predicted (2020) situations of China, ICEVs (internal combustion engine vehicles), EVs (electric vehicles) and FCVs (fuel cell...
Persistent link: https://www.econbiz.de/10011054569
Persistent link: https://www.econbiz.de/10010174696
Using pyridine nitrogen as representative of nitrogen-containing char model, detailed theoretical calculations based on DFT (density functional theory) and conventional TST (transition state theory) are carried out to investigate the thermodynamics and kinetics of the heterogeneous interaction...
Persistent link: https://www.econbiz.de/10011209583
Persistent link: https://www.econbiz.de/10010174918
A one-dimensional mathematical model has been developed for a fully hydrated and isothermal PEM fuel cell. Mass transport in the gas flow channels, electrode backing and catalyst layers is accounted for, along with the adsorption, desorption and electro-oxidation of hydrogen and carbon monoxide....
Persistent link: https://www.econbiz.de/10005543652
The probabilistic distribution of wind speed is one of the important wind characteristics for the assessment of wind energy potential and for the performance of wind energy conversion systems, as well as for the structural and environmental design and analysis. In this study, an exponential...
Persistent link: https://www.econbiz.de/10010804904
Persistent link: https://www.econbiz.de/10006607062
Biodiesel and more often its blends have been extensively used to mitigate the dependence on fossil fuel and the greenhouse gas emissions. However, a good understanding of the impact of the difference in the thermophysical properties of biodiesel and its blends from those of petroleum diesel is...
Persistent link: https://www.econbiz.de/10010576365
A one-dimensional mathematical model has been developed for a fully hydrated and isothermal PEM fuel cell. Mass transport in the gas flow channels, electrode backing and catalyst layers is accounted for, along with the adsorption, desorption and electro-oxidation of hydrogen and carbon monoxide....
Persistent link: https://www.econbiz.de/10008539054