Listar ESID_Articles por autoría "8ba9fde4-7b44-4777-a8b4-2d51d18dd6ec"
Mostrando ítems 1-20 de 34
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A novel vacuum pressure sensor using a thermoelectric device
Beltrán-Pitarch, Braulio; García-Cañadas, Jorge Elsevier (2020)We present the proof-of-concept of a new vacuum pressure sensor based on a new operating principle. The new sensor is formed by the simple combination of a thermoelectric (TE) module that is contacted at both sides by ... -
Accelerated Discovery of Thermoelectric Materials: Combinatorial Facility and High-Throughput Measurement of Thermoelectric Power Factor
García-Cañadas, Jorge; Adkins, Nicholas J. E.; McCain, Stephen; Hauptstein, Bastian; Brew, Ashley; Jarvis, David J.; Min, Gao American Chemical Society (2016-05)A series of processes have been developed to facilitate the rapid discovery of new promising thermoelectric alloys. A novel combinatorial facility where elements are wire-fed and laser-melted was designed and constructed. ... -
Bridging Silicon Nanoparticles and Thermoelectrics: Phenylacetylene Functionalization
Ashby, Shane P.; Thomas, Jason A.; García-Cañadas, Jorge; Min, Gao; Corps, Jack; Powel, Anthony W.; Xu, Hualong; Shen, Wei; Chao, Yimin Royal Society of Chemistry (2014-06-26)Silicon is a promising alternative to current thermoelectric materials (Bi2Te3). Silicon nanoparticle based materials show especially low thermal conductivities due to their high number of interfaces, which increases the ... -
Characterization of thermal contacts between heat exchangers and a thermoelectric module by impedance spectroscopy
Beltrán-Pitarch, Braulio; Vidan-Falomir, Francisco; García-Cañadas, Jorge Elsevier (2019)Heat to electricity energy conversion efficiency of a thermoelectric (TE) device is not only influenced by the TE materials properties, but it also depends on the temperature difference between both sides of the TE legs. ... -
Complete Characterization of Thermoelectric Materials by Impedance Spectroscopy
Beltrán-Pitarch, Braulio; Prado-Gonjal, Jesus; Powell, Anthony V.; Martínez-Julián, Fernando; García-Cañadas, Jorge American Chemical Society (2019-05-01)Thermoelectric materials can directly convert waste heat into electricity. Because of the vast amount of energy available as waste heat in our society, these materials could contribute to reduce our dependence on fossil ... -
Comprehensive impedance spectroscopy equivalent circuit of a thermoelectric device which includes the internal thermal contact resistances
Beltrán-Pitarch, Braulio; Maassen, Jesse; García-Cañadas, Jorge Elsevier (2021-06-26)Thermoelectric devices are widely used as solid-state refrigerators and have potential energy generation appli-cations. Their characterization is key to develop more efficient devices and monitor their performance. Electrical ... -
Control of the degradation of silica sol-gel hybrid coatings for metal implants prepared by the triple combination of alkoxysilanes
Romero-Gavilán, Francisco J; Barros Silva, S.; García-Cañadas, Jorge; Palla, B.; Izquierdo Escrig, Raul; GURRUCHAGA, MARILO; Goñi, Isabel; Suay, Julio Elsevier (2016)Hybrid materials obtained by sol-gel process are able to degrade and release Si compounds that are useful in regenerative medicine due to their osteoinductive properties. The present work studies the behavior of new ... -
Defect governed zinc-rich columnar AZO thin film and contact interface for enhanced performance of thermocouples
Luo, Bingwei; Cao, Lili; Zhang, Jinyang; Fei, LUO; Zhou, Haitao; Kexin, Ma; Beltrán-Pitarch, Braulio; Solis de la Fuente, Mauricio; Vidan-Falomir, Francisco; García-Cañadas, Jorge Royal Society of Chemistry (2022-03-01)The research on the stable thermoelectric properties and contact interface of high-precision thin-film thermocouples lags far behind the demand. In this study, a zinc-rich Al-doped ZnO (AZO) thin film was fabricated, in ... -
Determination of the thermoelectric properties of a skutterudite-based device at practical operating temperatures by impedance spectroscopy
Yoo, Chung-Yul; Yeon, Changho; Jin, Younghwan; Kim, Yeongseon; Song, Jinseop; Yoon, Hana; Sang Hyun, Park; Beltrán-Pitarch, Braulio; García-Cañadas, Jorge; Min, Gao Elsevier (2019-10-01)Skutterudite-based thermoelectric materials are promising candidates for waste heat recovery applications at intermediate temperatures (300–500 °C) owing to their high dimensionless figure of merit and power factor. Recently, ... -
Determination of thermal conductivity, thermal diffusivity, and specific heat of liquids using a thermoelectric module
Mendiola Curto, Víctor; Beltrán-Pitarch, Braulio; García-Cañadas, Jorge IOP Publishing (2024)Managing heat through working fluids is essential in many applications, as well as the development of new fluids with improved properties. Therefore, the characterization of their thermal properties, which is usually a ... -
Equivalent circuit definition and calendar aging analysis of commercial Li(NixMnyCoz)O2/graphite pouch cells
Beltran, Hector; Ayuso Olmeda, Pablo; Vicente-Agut, Nuria; Beltrán-Pitarch, Braulio; García-Cañadas, Jorge; Pérez, Emilio Elsevier (2022-05-06)Aging-induced degradation of commercial Li-ion pouch cells with lithium nickel-manganese‑cobalt-oxide-based cathodes and graphite anodes is studied at various operating conditions (temperature and voltage) by galvanostatic ... -
Evaluation of in-plane architecture in a thermo-electrochemical cell with nanostructured and porous Sb:SnO2 electrodes
Castro Ruiz, Sergio; García-Cañadas, Jorge Elsevier (2024-05-11)Thermo-electrochemical cells (TECs) are able to convert heat into electricity. They are formed by two electrodes (typically Pt) separated by a redox electrolyte (usually 0.4 M aqueous ferro/ferricyanide). The widely adopted ... -
Evaluation of Thermoelectric Generators by I-V Curves
Min, Gao; Singh, Tanuj; García-Cañadas, Jorge; Ellor, Robert Springer (2015-11)A recent theoretical study proposes a new way to evaluate thermoelectric devices by measuring two I–V curves—one obtained under a constant temperature difference and the other obtained for a constant thermal input. We ... -
Experimental conditions required for accurate measurements of electrical resistivity, thermal conductivity, and dimensionless figure of merit (ZT) using Harman and impedance spectroscopy methods
Beltrán-Pitarch, Braulio; Prado-Gonjal, Jesus; Powell, Anthony V.; García-Cañadas, Jorge AIP Publishing (2019-01-11)The Harman method is used extensively for the characterization of the dimensionless figure of merit ZT of thermoelectric (TE) materials and devices. However, its accuracy has often been questioned, since in many cases there ... -
Fabrication and evaluation of a skutterudite-based thermoelectric module for high temperature applications
García-Cañadas, Jorge; Powell, Anthony V.; Kaltzoglou, Andreas; Vaqueiro, Paz; Min, Gao Springer (2013-07)We report a straightforward methodology for the fabrication of high-temperature thermoelectric (TE) modules using commercially available solder alloys and metal barriers. This methodology employs standard and accessible ... -
Impedance Spectroscopy Analysis of Thermoelectric Modules Fabricated with Metallic Outer External Layers
Beltrán-Pitarch, Braulio; García-Cañadas, Jorge American Chemical Society (2021-11-23)In recent years, thermoelectric (TE) devices have been used in several refrigeration applications and have gained attention for energy generation. To continue the development of devices with higher efficiency, it is necessary ... -
Impedance spectroscopy analysis of thermoelectric modules under actual energy harvesting operating conditions and a small temperature difference
Beltrán-Pitarch, Braulio; Vidan-Falomir, Francisco; Carbó, Marc; García-Cañadas, Jorge Elsevier (2024-06-15)Thermoelectric (TE) devices can convert heat into electricity and have gained great interest as energy harvesters in many applications, such as self-powered sensors, solar TE generators and industrial waste heat recovery. ... -
Impedance spectroscopy characterization of neutron irradiated thermoelectric modules for space nuclear power
Mesalam, Ramy; Williams, Hugo R.; Ambrosi, Richard M.; Kramer, Daniel P.; Barklay, Chadwick D.; García-Cañadas, Jorge; Stephenson, Keith; Weston, David P. AIP Publishing (2019)The European Space Agency is currently supporting the research and development of advanced radioisotope power systems utilising thermoelectric modules. The performance of thermoelectric modules following exposure to neutron ... -
Influence of convection at outer ceramic surfaces on the characterization of thermoelectric modules by impedance spectroscopy
Beltrán-Pitarch, Braulio; García-Cañadas, Jorge American Institute of Physics (AIP) (2018-02)Impedance spectroscopy is a useful method for the characterization of thermoelectric (TE) modules. It can determine with high accuracy the module's dimensionless figure of merit (zT) as well as the average TE properties ... -
Insights into mechanical compression and the enhancement in performance by Mg(OH)2 coating in flexible dye sensitized solar cells
Peiris, T. A. Nirmal; Wijayantha, K. G. U.; García-Cañadas, Jorge Royal Society of Chemistry (2014)The engineering of flexible dye sensitized solar cells (DSCs) by mechanical compression is one of the methods that allow low temperature processing of these devices. However, suppressing the high temperature sintering ...