Fàbrega Gallego, Cristian (Date of defense: 2011-09-16)
La tesi s’engloba en un context energètic en el que les tendències actuals del subministrament i el consum d’energia són clarament insostenibles. No és exagerat dir que el futur de la prosperitat de la ...
Vázquez Galván, F. Javier (Date of defense: 2019-01-11)
Along this Thesis dissertation book, which is focused on the topic of Redox Flow Batteries, many efforts have been done in order to improve different aspects of the all-Vanadium Redox Flow batteries ...
Manzanares Altés, Marta (Date of defense: 2016-02-01)
La interacció de la llum amb els òxids metàl.lics (MOX's) semiconductors, sempre i quan l'energia dels fotons sigui superior a l'amplada de la banda prohibida, produeix un increment significatiu de la ...
Diéguez Barrientos, Àngel (Date of defense: 1999-09-29)
La investigación presentada está centrada en la mejora de sensores de gas conductométricos de Sn02. Se analizan sensores en capa gruesa y en capa delgada. En el primer caso, el polvo de Sn02 necesario ...
Avireddy, Hemesh (Date of defense: 2019-07-11)
The thesis is focused on the development and enhancement of the electrochemical properties of the carbon based supercapacitors and pseudocapacitors. To overcome the capacitance loss at the condition of ...
Zamani, Reza (Date of defense: 2013-11-04)
In this report novel materials for advanced applications are studied by means of the latest microscopy technologies and methodologies which have had a dramatic impact on progress of materials science. ...
Ibáñez Sabaté, Maria (Date of defense: 2013-03-05)
The work developed during this PhD has embraced several topics that I divide in three blocks. Each block contains two chapters in this dissertation. Additionally, a general introduction of the different ...
Samitier i Martí, Josep (Date of defense: 1986-06-25)
Al principio de los años 60, aparecieron los primeros transistores FET en Arseniuro de Galio. En el instante en que el silicio se imponía de forma definitiva al germanio, la aparición de este nuevo ...
Romano Rodríguez, Albert (Date of defense: 1991-03-14)
In the last decade transmission electron microscopy (TEM) has become one of the most powerful tools for the structural characterization of crystalline materials. Especially in the field of microelectronics ...
Ros Figueras, Carles (Date of defense: 2019-10-30)
The excessive consumption of non-renewable energy sources such as fossil fuels has lead the world to a global climate change, urging for new energy consumption habits together with developing cost- ...