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Mostrando ítems 11-15 de 15
Artículo
Determination of time constants of diffusion and electrochemical processes in Polymer Electrolyte Membrane Fuel Cells
(Elsevier Ltd, 2021)
This work presents an experimental analysis of the time constants associated to diffusion and electro chemical processes in a 50 cm2 Polymer Electrolyte Membrane (PEM) fuel cell. The experimental tech niques and results ...
Artículo
Voltage distribution analysis and non-uniformity assessment in a 100 cm2 PEM fuel cell stack
(Elsevier, 2023-11)
In this study, a comprehensive set of experimental tests were carried out to investigate individual cell voltage and temperature deviation under different operating conditions in a fuel cell stack. Five key operating ...
Artículo
Hidrógeno como vector energético: Elementos y usos
(Academia Malagueña de Ciencias, 2008)
Durante los últimos años se han anunciado diferentes iniciativas tendentes a propiciar el desarrollo y despegue de tecnologías asociadas al uso del hidrógeno como vector energético (Iniciativa Tecnológica Conjunta en ...
Artículo
Analytical approach to ground heat losses for high temperature thermal storage systems
(John Wiley and Sons Ltd, 2019)
A new approach to estimate the heat loss from thermal energy storage tank foundations is presented. Results are presented through analytical correlations based on numerical solutions for the steady-state heat conduction ...
Artículo
Energy Management Strategies in hydrogen Smart-Grids: A laboratory experience
(Elsevier, 2016)
As microgrids gain reputation, nations are making decisions towards a new energetic paradigm where the centralized model is being abandoned in favor of a more sophisticated, reliable, environmentally friendly and decentralized ...