Browsing by Contributor "Voz Sánchez, Cristóbal"
Now showing items 1-20 of 35
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Accelerated Testing of the End-plate Assembly of a Redox Flow Battery
(Universitat Politècnica de Catalunya, 2023-06-29)
Master thesis
Open Access
Covenantee: VoltStorageAs the world transitions to intermittent renewable energy sources like solar and wind, the need for long-duration energy storage technologies is becoming more and more prominent. In this regard, flow batteries are seen as ... -
Characterization of alternative carrier selective materials and their application to heterojunction solar cells
(Universitat Politècnica de Catalunya, 2017-11-15)
Doctoral thesis
Open AccessCrystalline silicon (c-Si) solar cells can be considered a highly industrialized and mature product with a record conversion efficiency of 26.6%, not far from the practical limit of 29.4% (for single p/n junction devices). ... -
Characterization of small molecule organic solar cells by variable light intensity measurements
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2013-05)
Master thesis
Open AccessA medida que las energías renovables tienen un mayor peso en el mercado energético, y el sector fotovoltaico tiende hacia menores costos de fabricación y reducido impacto ambiental, las Celdas Solares Orgánicas (CSO) ofrecen ... -
Contactos selectivos con una capa dipolar de Histidine para células solares
(Universitat Politècnica de Catalunya, 2020-06-29)
Bachelor thesis
Open AccessPhotovoltaic energies are essential for a transition from the current energy model towards one more sustainable and efficient. Today, pn junction technology dominates the world market, breaking records of efficiency and ... -
Cryo-synergies between Blue and Green Ammonia and Liquid Hydrogen
(Universitat Politècnica de Catalunya, 2023-05-22)
Master thesis
Restricted access - confidentiality agreement
Covenantee: Air Liquide Global E&C Solutions France -
Desarrollo de tecnologías de baja temperatura para la fabricación de células solares de heterounión de silicio
(Universitat Politècnica de Catalunya, 2015-07-23)
Doctoral thesis
Open AccessEl desarrollo de la tecnología fotovoltaica de silicio cristalino ha llegado al punto en que la mejora de los dispositivos pasa, no tanto por un aumento de la eficiencia, como por la reducción del coste de fabricación. En ... -
Developing a tool for sizing and comparison of solar power storage systems
(Universitat Politècnica de Catalunya, 2023-02-13)
Master thesis
Open AccessThis thesis presents the methodology to optimize the components of different storage technologies, i.e. hydrogen and batteries, integrated to photovoltaic system for hourly demand and annual-hourly irradiance values. The ... -
Development of an optical spectrophotometer. Characterization of thin layers for photovoltaic devices
(Universitat Politècnica de Catalunya, 2020-11-25)
Bachelor thesis
Open AccessThe purpose of this project is to develop a system with the functionality of a spectrophotometer. The system is based on the automation of a set of instruments available in the laboratory of the MNT research group. The ... -
Engaging without greenwashing: a holistic gamified approach to foster eco-friendly behavior in a renewable energy crowdfunding platform
(Universitat Politècnica de Catalunya, 2022-02-22)
Master thesis
Open Access
Covenantee: Instituto Superior Técnico Lisboa / Seeds RenewablesTo achieve the necessary transformation towards a low carbon society, it is obvious that all the coming technological innovations should also be accompanied by gargantuan shifts in lifestyle patterns. This study aims at ... -
Enhancing hydrogen generation in photocatalysis systems by the use of selective contacts
(Universitat Politècnica de Catalunya, 2022-06)
Bachelor thesis
Restricted access - confidentiality agreementHydrogen stands as a good energy vector to replace fossil fuels due to its high energy density and green production. Moreover, hydrogen can be used to complement other green energy sources. One of the most craved methods ... -
Exploring demand response potential in Spain's energy landscape
(Universitat Politècnica de Catalunya, 2023-11-14)
Master thesis
Restricted access - confidentiality agreement
Covenantee: Bamboo Energy -
Framework for Project Due Diligence of Solar Photovoltaic Installations - Assessment from a Lender’s Perspective
(Universitat Politècnica de Catalunya, 2021-09-20)
Master thesis
Open Access
Covenantee: Seeds RenewablesEl cambio climático no es un problema del futuro. El cambio climático es global, rápido y va en aumento. Una realidad. El último informe presentado por el Panel Intergubernamental sobre Cambio Climático (IPCC) destaca que ... -
Guidelines for auditing Solar PV Installations - Techno Economic Evaluation for investors
(Universitat Politècnica de Catalunya, 2021-09-20)
Master thesis
Open Access
Covenantee: Seeds RenewablesClimate change is no longer a problem of the future. Climate change is global, rapid, and intensifying. A reality. The latest Intergovernmental Panel on Climate Change (IPCC) report highlights the Anthropocene is behind ... -
Hole-selective contacts by RF magnetron sputtering for silicon heterojunction solar cell structures
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open AccessResearch in photovoltaic devices is focusing towards cost-effective technologies to compete with traditional energy sources. In this sense, silicon heterojunction (SHJ) solar cells have excelled owing to their high efficiency ... -
Hydrogen fuel cells for cogeneration in residential applications
(Universitat Politècnica de Catalunya, 2023-10-31)
Master thesis
Open Access
Covenantee: Instituto Superior Técnico LisboaAs a solution to limiting carbon dioxide emissions in the residential sector, multiple technologies have emerged shown promising potential. The aim of the dissertation was to study the feasibility of hydrogen fuel cells ... -
Improve sustainability and minimize waste at the truck manufacturing operations : A Lean and green Six Sigma approach
(Universitat Politècnica de Catalunya, 2023-09-14)
Master thesis
Open AccessThe truck manufacturing industry generates various forms of waste like wastewater, residues, solid waste, and heavy metals that cause enormous environmental damage during operations. Industrial businesses have incrementally ... -
Improving cooling tower water and energy efficiencies based on a new analytical method
(Universitat Politècnica de Catalunya, 2023-06-05)
Master thesis
Open Access
Covenantee: ClimaCheck Sweden AB / KTH division of Energy SystemsCooling towers are largely used in many industrial processes for cooling purposes. The basic concept of a cooling tower includes cooling down water by means of evaporation, thus giving it the terminology “evaporative ... -
Information technology audit principles applied to risk assessment in the infrastructure layer
(Universitat Politècnica de Catalunya, 2022-06)
Bachelor thesis
Open Access
Covenantee: KPMG EspañaCurrently, risk analysis at the application layer is already well studied, however, the IT infrastructure layer (databases and operating systems) is where the risk currently resides and is not being mitigated as extensively. ... -
Magnetoelectric Effects in MnBi2Te4, an antiferromagnetic topological insulator
(Universitat Politècnica de Catalunya, 2020-05-22)
Bachelor thesis
Open Access
Covenantee: Massachusetts Institute of TechnologyEn aquest projecte, ens centrem en la fabricació d'heteroestructuras de Van der Waals de MnBi2Te4 amb diferents gruixos, un aïllant topològic antiferromagnètic, utilitzant mètodes d'exfoliació mecànica i de transferència. ... -
Market Potential Analysis of a Solar Hybrid Dish-Brayton System
(Universitat Politècnica de Catalunya, 2021-10-06)
Master thesis
Open Access
Covenantee: Compower ABIn this study, the market potential of a solar hybrid dish-Brayton system has been analyzed, using a market analysis of four relevant industries and the techno economic analysis of the system, operating in a stand-alone ...
