Exploració per tema "Termoelectricitat"
Ara es mostren els items 1-20 de 39
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Anisotropic effects on the thermoelectric properties of highly oriented electrodeposited Bi2Te3 films
(Macmillan Publishers, 2016-01-18)
Article
Accés obertThermoelectric materials have garnered significant attention in response to the necessity to develop alternative energy sources than those that rely on fossil fuels. The performance of thermoelectric materials1 is quantified ... -
Bottom-up processing of thermoelectric nanocomposites from colloidal nanocrystal building blocks: the case of Ag2Te–PbTe
(2012-11-28)
Article
Accés restringit per política de l'editorialNanocomposites are highly promising materials to enhance the efficiency of current thermoelectric devices. A straightforward and at the same time highly versatile and controllable approach to produce nanocomposites is ... -
Colloidal synthesis and thermoelectric properties of Cu2SnSe3 nanocrystals
(Royal Society of Chemistry, 2012-12-15)
Article
Accés restringit per política de l'editorialCopper-based selenides are attracting increasing interest due to their outstanding optoelectronic and thermoelectric properties. Herein a novel colloidal synthetic route to prepare Cu2SnSe3 nanocrystals with controlled ... -
Convective thermal fluxes in unsteady non-homogeneous flows
(2019-07)
Article
Accés obertIn this paper we describe a novel experimental apparatus consisting of a thermoelectric driven heating and cooling device that could be used in didactic laboratories and research. Is possible to model common environmental ... -
Copper diffusion rates and hopping pathways in superionic Cu2Se
(2021-08-15)
Article
Accés restringit per política de l'editorialThe ultra-low thermal conductivity of Cu2Se is well established, but so far there is no consensus on the underlying mechanism. One proposal is that the fast-ionic diffusion of copper suppresses the acoustic phonons. The ... -
Cryogenic Silicon Microstrip detector modules for LHC
(Universitat Politècnica de Catalunya, 2004-07-05)
Tesi
Accés obertCERN is presently constructing the LHC, which will produce collisions of 7 TeV protons in 4 interaction points at a design luminosity of 1034 cm-2 s-1. The radiation dose resulting from the operation at high luminosity ... -
Crystallographic control at the nanoscale to enhance functionality:polytypic Cu2GeSe3 nanoparticles as thermoelectric materials
(2012-11-14)
Article
Accés restringit per política de l'editorialThe potential to control the composition and crystal phase at the nanometer scale enable the production of nanocrystalline materials with enhanced functionalities and new applications. In the present work, we detail a ... -
Desarrollo y caracterización de estructuras termoeléctricas con pellets constituidos por nuevos materiales y geometrías no estándar
(Universitat Politècnica de Catalunya, 2006-10-11)
Tesi
Accés obertAmb els materials utilitzats actualment en la fabricació de les cèl·lules termoelèctriques i amb les geometries utilitzades, no és possible millorar, en un rang determinat de temperatures, característiques tals com la ... -
Design of a thermoelectric generator with fast transient respose
(2015-04-13)
Article
Accés obertThermoelectric modules are currently used both in Peltier cooling and in Seebeck mode for electricity generation. The developments experienced in both cases depend essentially on two factors: the thermoelectric properties ... -
Development and experimental validation of a thermoelectric test bench for laboratory lessons
(OmniaScience, 2013-12)
Article
Accés obertThe refrigeration process reduces the temperature of a space or a given volume while the power generation process employs a source of thermal energy to generate electrical power. Because of the importance of these two ... -
Disseny d'un sistema de control per a la generació d'electricitat basat en energia solar
(Universitat Politècnica de Catalunya, 2013-06)
Projecte/Treball Final de Carrera
Accés obertEn aquest projecte es dissenyarà un sistema de generació d'electricitat a partir d'una placa solar fotovoltaica. El sistema d'energia renovable consisteix en un panell solar, un convertidor de tensió i una bateria per poder ... -
Doping-mediated stabilization of copper vacancies to promote thermoelectric properties of Cu2-xS
(2021-07-01)
Article
Accés obertCopper chalcogenides are outstanding thermoelectric materials for applications in the medium-high temperature range. Among different chalcogenides, while Cu2-xSe is characterized by higher thermoelectric figures of merit, ... -
Effect of the thickness of amorphous silicon carbide interlayer on the passivation of c-Ge surface by aluminium oxide films
(Elsevier, 2022-07)
Article
Accés restringit per política de l'editorialSurface passivation is of paramount importance in photovoltaic devices based on high-quality crystalline absorbers such as crystalline germanium (c-Ge). In this work, we report on the surface passivation of p-type c-Ge by ... -
Electric power generation from combustion in porous media
(2016-09-12)
Article
Accés restringit per política de l'editorialCombustion of lean air/fuel mixtures in an inert porous medium provides an efficient way to convert chemical energy of hydrocarbons into thermal energy. The porous medium effectively redistributes the heat allowing the ... -
Engineering of thermoelectric composites based on silver selenide in aqueous solution and ambient temperature
(American Chemical Society (ACS), 2023-05-01)
Article
Accés obertThe direct, solid state, and reversible conversion between heat and electricity using thermoelectric devices finds numerous potential uses, especially around room temperature. However, the relatively high material processing ... -
Estudio de generación de energía electrica en un automóvil utilizando células termoeléctricas.
(Universitat Politècnica de Catalunya, 2016-06-22)
Treball Final de Grau
Accés obertDesde que se descubrió la termoelectricidad en el siglo XIX, han sido muchos los que han querido llevar este fenómeno a la práctica mediante, por ejemplo, las células termoeléctricas. El propósito de este estudio es ... -
Estudio de la viabilidad para la introducción al mercado y diseño de una fiambrera portátil generadora de frío y calor mediante el efecto Peltier
(Universitat Politècnica de Catalunya, 2018-06-10)
Treball Final de Grau
Accés restringit per decisió de l'autorEl proyecto pretende analizar la viabilidad que tendría la implementación al mercado de una fiambrera portátil generadora de frío y de calor. Por todos es sabido que los cambios en las sociedades generan nuevos estilos de ... -
Feasibility study on thermal energy harvesting for low powered electronics in high-voltage substations
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertElectronic devices combining sensors, wireless communications, and data processing capability allow easing predictive maintenance tasks in many applications. This paper applies this approach in power connectors for ... -
Generador d'energia elèctrica a partir del calor corporal
(Universitat Politècnica de Catalunya, 2017-05)
Treball Final de Grau
Accés obertAquest projecte pretén estudiar i desenvolupar el disseny i implementació d’un generador de voltatge a partir de la calor que desprèn l’ésser humà i aprofitar-la per a carregar dispositius com mòbils, smartphones, tabletes, ... -
Generador termoeléctrico para alimentar sensores industriales
(Universitat Politècnica de Catalunya, 2020-01-31)
Treball Final de Grau
Accés restringit per acord de confidencialitat
