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Browsing by Subject "Fuel cell"

Now showing items 1-15 of 15

Análisis de la implementación de sistemas de Pila de Combustible en vehículos aéreos no tripulados: optimización de sistemas y simulación de misión

Clari Mengo, Victor (Universitat Politècnica de València, 2021-09-13)

[ES] El alcance de este estudio pretende analizar la aplicación de las pilas de combustible (FC) en la planta motriz de los vehículos aéreos no tripulados (UAV) y el impacto económico y medioambiental asociado. Comienza ...
Application of Nanofibres in Polymer Composite Membranes for Direct Methanol Fuel Cells

Mollá Romano, Sergio (Universitat Politècnica de València, 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 ...
Comparative global warming impact and NOx emissions of conventional and hydrogen automotive propulsion systems

Desantes J.M.; Molina, Santiago; Novella Rosa, Ricardo; López-Juárez, Marcos (Elsevier, 2020-10-01)

[EN] With the rise of cleaner technologies for transport and the emergence of H-2 as a fuel, most of the emissions in the well-to-wheel process are shifting towards the energy carrier production (fuel or electricity). The ...
Environmental evaluation and effectiveness of electric-assist bicycle for a local transportation

Torregrosa Mira, Miguel Enrique (Universitat Politècnica de València, 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 ...
Estudio para al Suministro de Energía Térmica y Eléctrica del Distrito de L illa Perduda (Valencia, España) mediante Pilas de Combustible de Membrana de Intercambio de Protones

Kemshell, Adam (Universitat Politècnica de València, 2021-06-18)

[EN] Decentralised energy generation has been identified as a promising strategy towards powering a sustainable future. It is well-established that centralised production at conventional power facilities is inefficient ...
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 (Universitat Politècnica de València, 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 (Universitat Politècnica de València, 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 ...
Protonic Conduction of Partially-Substituted CsH2PO4 and the Applicability in Electrochemical Devices

Navarrete Algaba, Laura; Andrio, Andreu; Escolástico Rozalén, Sonia; Moya, Sergio; Compañ Moreno, Vicente; Serra Alfaro, José Manuel (MDPI AG, 2019-04)

[EN] CsH2PO4 is a proton conductor pertaining to the acid salts group and shows a phase transition from monoclinic to cubic phase at 232 +/- 2 degrees C under high-steam atmospheres (>30%). This cubic phase gives rise to ...
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 ...
Wind-to-Hydrogen Study in Valencia, Spain:A standalone system of Hydrogen Storage from Wind Power in the town of Jalance,to supply Fuel Cell Electric Vehicles

Rosas Neves, Hugo (Universitat Politècnica de València, 2020-07-13)

[ES] Estudio de la obtención de hidrógeno para aplicación en vehículo con pilas de combustible, obtenido mediante un aerogenerador ubicado en Jalance, Valencia.