Exploració per tema "Thermoelectricity"

Ara es mostren els items 21-36 de 36

    • Módulo termoeléctrico de nueva generación 

      García Novo, Javier (Universitat Politècnica de Catalunya, 2006-06)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Este proyecto tiene como objetivo el conocimiento del entorno de la termoelectricidad y sus fenómenos, aplicados a células de efecto Peltier y Seebeck, así como la optimización de termoelementos desde diferentes puntos de ...

    • Novel charge pump converter with Tunnel FET devices for ultra-low power energy harvesting sources 

      Nunes Cavalheiro, David Manuel; Moll Echeto, Francisco de Borja; Valtchev, Stanimir (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Comunicació de congrés
      Accés obert
      Compared to conventional technologies, the superior electrical characteristics of III-V Tunnel FET (TFET) devices can highly improve the process of energy harvesting conversion at ultra-low input voltage operation ...

    • PbS-Pb-Cu xS Composites for Thermoelectric Application 

      Li, Mengyao; Liu, Yu; Zhang, Yu; Han, Xu; Xiao, Ke; Nabahat, Mehran; Arbiol, Jordi; Llorca Piqué, Jordi; Alzate Ibáñez, Angélica María; Cabot, Andreu (2021-10-19)
      Article
      Accés obert
      Composite materials offer numerous advantages in a wide range of applications, including thermoelectrics. Here, semiconductor-metal composites are produced by just blending nanoparticles of a sulfide semiconductor obtained ...

    • Pespectives of TFET devices in ultra-low power charge pumps for thermo-electric energy sources 

      Nunes Cavalheiro, David Manuel; Moll Echeto, Francisco de Borja; Valtchev, Stanimir (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The superior electrical characteristics of the heterojunction III-V Tunnel FET (TFET) devices can outperform current technologies in the process of energy harvesting conversion at ultra-low power supply voltage operation ...

    • Proyecto de una central termoeléctrica de biomasa situada en el Vallés Occidental 

      Martínez Martínez, Adrián (Universitat Politècnica de Catalunya, 2020-04-27)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      En este proyecto se estudia la implantación de una planta termoeléctrica que produzca energía eléctrica a partir de biomasa forestal proporcionada por el Servei Comarcal de Biomassa Forestal (SCBF). Estará ubicada en la ...

    • Radial thermoelectric model for stranded transmission line conductors 

      Riba Ruiz, Jordi-Roger (Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-15)
      Article
      Accés obert
      Bare-stranded conductors play a critical role in the efficiency and safe operation of transmission lines. The heat generated in the interior of the conductor is conducted radially to the outer surface, creating a radial ...

    • Recuperación de energía y control mediante células termoeléctricas en automoción 

      Rodrigues Grande, Nelson Rubén; Pablo Jaén, Sergio (Universitat Politècnica de Catalunya, 2023-07-06)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Este proyecto se centra en el diseño y construcción de un sistema de generación de energía eléctrica mediante efecto termoeléctrico, enfocándose en aprovechar el calor residual del tubo de escape de los vehículos con motor ...

    • Strategies for high fill factor and open-circuit voltage in low-doped c-Ge TPV cells with partially contacted surfaces using 3D simulations 

      Gamel, Mansur Mohammed Ali; Shojaei, David; López Rodríguez, Gema; Garin Escriva, Moises; Martín García, Isidro (2023)
      Comunicació de congrés
      Accés obert
      Dielectric passivated surfaces provide excellent surface recombination properties while point-like contacts are defined to locally extract the current. In this solution, the distance between contacts, or pitch, is critical ...

    • The importance of surface adsorbates in solution-processed thermoelectric materials: the case of SnSe 

      Liu, Yu; Calcabrini, Mariano; Yu, Yuan; Genç, Aziz; Chang, Cheng; Costanzo, Tommaso; Kleinhanns, Tobias; Lee, Seungho; Llorca Piqué, Jordi; Cojocaru-Mirédin, Oana; Ibánez, María (John Wiley & sons, 2021-12-29)
      Article
      Accés obert
      Solution synthesis of particles emerges as an alternative to prepare thermoelectric materials with less demanding processing conditions than conventional solid-state synthetic methods. However, solution synthesis generally ...

    • Thermal sensor based on a polymer nanofilm 

      Culebras, Mario; López Martínez, Antonio Miguel; Gómez, Clar M; Cantarero, Andrés (2016-03-01)
      Article
      Accés obert
      In this work, we have developed a thermal sensor based on poly(3,4 ethylenedioxythiophene) (PEDOT) nanofilms as thermoelectric material. The PEDOT nanofilms have been synthesized by the electrochemical polymerization method. ...

    • Thermoelectric generators for long duration lunar missions 

      Serra, Pol; González Cinca, Ricardo (2019)
      Comunicació de congrés
      Accés obert
      The number of lunar missions involving the deployment of probes, rovers and other equipment is expected to raise significantly. Some of these missions will face the challenge to survive the night on the Moon, with very ...

    • Thermoelectric properties of semiconductor-metal composites produced by particle blending 

      Liu, Yu; Cadavid, Doris; Ibañez, Maria; Ortega, Silvia; Marti-Sanchez, Sara; Dobrozhan, Oleksandr; Kovalenko, Maksym V.; Arbiol, Jordi; Cabot, Andreu (American Institute of Physics Publising LLC, 2016-10-01)
      Article
      Accés obert
      In the quest for more efficient thermoelectric material able to convert thermal to electrical energy and vice versa, composites that combine a semiconductor host having a large Seebeck coefficient with metal nanodomains ...

    • Tin selenide molecular precursor for the solution processing of thermoelectric materials and devices 

      Zhang, Yu; Xing, Congcong; Zhang, Ting; Yu, Xiaoting; Arbiol, Jordi; Llorca Piqué, Jordi; Cadavid, Doris; Ibáñez, María; Cabot, Andreu (2020-05-21)
      Article
      Accés obert
      In the present work, we report a solution-based strategy to produce crystallographically textured SnSe bulk nanomaterials and printed layers with optimized thermoelectric performance in the direction normal to the substrate. ...

    • Towards low cost and sustainable thin film thermoelectric devices based on quaternary chalcogenides 

      Isotta, Eleonora; Andrade Arvizu, Jacob; Syafiq, Ubaidah; Jiménez Arguijo, Alex; Navarro Güell, Alejandro; Guc, Maxim; Saucedo Silva, Edgardo Ademar; Scardi, Paolo (2022-05-20)
      Article
      Accés obert
      A major challenge in thermoelectrics (TEs) is developing devices made of sustainable, abundant, and non-toxic materials. Furthermore, the technological drive toward low sizes makes crucial the study of nano and micro ...

    • Turbulent convection by thermoelectricity in a cooling-heating didactive device 

      Redondo Apraiz, José Manuel; Tellez Alvarez, Jackson David; Sanchez, Jesus Mary (Moscow Institute of Physics and Technology (MIPT), 2017-04)
      Article
      Accés obert
      Local Diffusion and the topological structure of vorticity and velocity fields is measured in the transition from a homogeneous linearly stratified fluid to a cellular or layered structure by means of convective cooling ...

    • Vibrational spectra and lattice thermal conductivity of kesterite-structured Cu2ZnSnS4 and Cu2ZnSnSe4 

      Skelton, Jonathan M.; Jackson, Adam J.; Dimitrievska, Mirjana; Wallace, Suzanne K.; Walsh, Aron (American Institute of Physics Inc., 2015-04-07)
      Article
      Accés obert
      Cu2ZnSnS4 (CZTS) is a promising material for photovoltaic and thermoelectric applications. Issues with quaternary semiconductors include chemical disorder (e.g., Cu-Zn antisites) and disproportionation into secondary phases ...