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Browsing by Subject "Fuel cell"

Now showing items 1-10 of 10

Application of Nanofibres in Polymer Composite Membranes for Direct Methanol Fuel Cells

Mollá Romano, Sergio (2015-12-09)

[EN] Direct methanol fuel cells are feasible devices for efficient electrochemical power generation if some issues can be solved regarding both electrodes and membranes. The research carried out in this Ph.D. thesis has ...
Environmental evaluation and effectiveness of electric-assist bicycle for a local transportation

Torregrosa Mira, Miguel Enrique (2016-04-15)

Life cycle environmental impact of an electric-assist bicycle has been discussed, and the effectiveness of such bicycle is compared with existing transportation from the viewpoints of carbon dioxide and carbon dioxide ...
High performance anodes with tailored catalytic properties for La5.6WO11.4-d; based proton conducting fuel cells

Balaguer Ramírez, María; Solis Díaz, Cecilia; Bozza, F.; Bonanos, N.; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2013)

This work shows the development of anodes based Sr-doped LaCrO3 (LSC) for La5.6WO11.4-d;-based proton conducting fuel cells. The electrode was improved by considering the operation limitations of the LSC material, which ...
IMPLEMENTACIÓN DE UN SISTEMA DE PILA COMBUSTIBLES A BORDO DE UN PEQUEÑO FERRY

Fuertes Izquierdo, Raquel (2020-03-23)

[ES] El proyecto consiste en el estudio de la viabilidad sobre el uso de pilas combustible en el campo naval. Debido a las altas emisiones de gases de efecto invernadero por parte del sector del transporte por el uso de ...
Modelado y control de un sistema de generación de energía termoeléctrica basado en una pila de combustible tipo PEM de 2kW.

Molina Lázaro, Miguel Ángel (2015-06-19)

[EN] Modelling and control of a test bench's PEM fuel cell is developed in the present thesis. First an individual model for every subsystem is obteined, after that all submodels are integrated in a complete and validated ...
Quaternary mixture designs applied to the development of multi-element oxygen electrocatalysts based on the Ln(0.58)Sr(0.4)Fe(0.8)Co(0.2)O(3-delta) system (Ln = La1-x-y-zPrxSmyBaz): Predictive modeling approaches

Serra Alfaro, José Manuel; Vert Belenguer, Vicente Bernardo (Elsevier, 2011-01-10)

[EN] The experimental data generated through the optimization of oxygen electrocatalysts based on the perovskite Ln(0.58)Sr(0.4)Fe(0.8)Co(0.2)O(3-delta) system (Ln = La1-x-y-zPrxSmyBaz) have been modeled following different ...
Study of the transport properties of the mixed ionic electronic conductor Ce 1-x Tb x O 2- + Co (x=0.1, 0.2) and evaluation as oxygen-transport membrane

Balaguer Ramírez, María; Solis Díaz, Cecilia; Serra Alfaro, José Manuel (American Chemical Society, 2011)

[EN] Tb-doped ceria materials have been synthesized by the coprecipitation method. Cobalt oxide (2 mol %) has been added in order to improve the sinterability and conductivity. XRD measurements suggest that a part of the ...
TECHNICAL REQUIREMENTS FOR ECONOMICAL VIABILITY OF ELECTRICITY GENERATION IN STABILIZED WIND PARKS

Segura Heras, Isidoro; Pérez-Navarro Gómez, Ángel; Sánchez Díaz, Carlos; Ibañez Escobar, Fernando; Payá Herrero, Jorge; Bernal Serra, Eva (Elsevier, 2007-11)

Wind generation is substantially increasing its share in the electricity generation portfolio in many countries. In the case of Spain, it can more than double in the next 4 years, reaching a 20GW level. To become competitive ...
Wind park reliable energy production based on a hydrogen compensation system. Part I: Technical viability

Sánchez Díaz, Carlos; Abad, Belén; Hübner, Stefan; Alfonso-Solar, David; Segura Heras, Isidoro (Elsevier, 2011-12)

Power production from renewable energy resources is increasing day by day. In the case of Spain, in 2009, it represents the 26.9% of installed power and 20.1% of energy production. Wind energy has the most important ...
Wind park reliable energy production based on a hydrogen compensation system. Part II: Economic study

Sánchez, Carlos; Hübner, Stefan; Abad Serra, Belén; Alfonso-Solar, David; Segura Heras, Isidoro (Elsevier, 2012-02)

Power production from renewable energy resources is increasing day by day. In the case of Spain, in 2009 it represented 26.9% of installed power and 20.1% of energy production. Wind energy makes the most important contribution ...