Exploració per tema "Electroquímica"
Ara es mostren els items 1-20 de 95
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2,7-Linked N-methylcarbazole copolymers by combining the macromonomer approach and the oxidative electrochemical polymerization
(2019-05-03)
Article
Accés obertThe preparation of copolymers bearing N-methylcarbazole and 2,7-linked 3,4-ethylenedioxythiophene units has been carried out using the N-methyl-2,7-di(2-(3,4-ethylenedioxythienyl))carbazole monomer, which has been chemically ... -
A phenomenological-based dynamic model for a polymer electrolyte membrane fuel-cell humidifier assembly
(2022-11-01)
Article
Accés obertThis paper presents the deduction of a phenomenological-based semi-physical model (PBSM) for the gas humidification in a fuel-cell assembly. Unlike previously published models, the one proposed here includes the momentum ... -
A synergistic combination of tetraethylorthosilicate and multiphosphonic acid offers excellent corrosion protection to AA1100 aluminum alloy
(2013-05-15)
Article
Accés restringit per política de l'editorialThis work describes a new mechanism for the incorporation of organophosphonic acid into silane self-assembly monolayers, which has been used to protect AA1100 aluminum alloy. The protection improvement has been attributed ... -
Action research on electrochemistry learning. Conceptual modelling intervention to promote disciplinary understanding, scientific inquiry, and reasoning
(Universitat Politècnica de Catalunya, 2022-09)
Text en actes de congrés
Accés obertStudents in engineering-science programmes often struggle with theoretical concepts, while they tend to adopt a surface approach to learning. We suggest that this can be tackled by promoting a specific higher-order thinking ... -
Análisis de ciclo de vida para la selección de electrodos en la electrocoagulación de aguas residuales de la industria papelera
(Asociación Española de Ingeniería de Proyectos (AEIPRO), 2017)
Comunicació de congrés
Accés obertLa electrocoagulación es una técnica electroquímica de tratamiento de aguas residuales basada en la generación in situ del coagulante. Se utilizan ánodos sacrificables de Hierro o de Aluminio dando lugar a cationes Fe3+ ... -
Aplicació d'un bany de formulació simple per a l'obtenció de dipòsits NiP/SiC i NiP/Si3 N4
(Universitat Politècnica de Catalunya, 2005-06)
Projecte/Treball Final de Carrera
Accés obertL’objectiu d’aquest projecte ha estat l’estudi de la codeposició de partícules ceràmiques amb NiP per via eletroless. Fins ara, aquests tipus de dipòsits s’han obtingut mitjançant un bany comercial però no s’ha aconseguit ... -
Aplicació de tècniques electroquímiques i fotoelectroquímiques per la degradació de compostos poc biodegradables en efluents industrials tèxtils.
(Universitat Politècnica de Catalunya, 2012-07-19)
Tesi
Accés obertIndustrial effluents and their further reuse have shown an increasing interest. The current PhD Thesis is based on obtaining a new system for the treatment of textile effluents. The aim of this study is to remove colour ... -
Bioelectrochemical systems for energy storage: a scaled-up power-to-gas approach
(2019-01-01)
Article
Accés obertThe development and implementation of energy storage solutions is essential for the sustainability of renewable energy penetration in the electrical system. In this regard, power-to-gas technologies are useful for seasonal, ... -
Caracterización electroquímica de aleaciones electrodepositadas
(Universitat Politècnica de Catalunya, 2004-06-22)
Projecte/Treball Final de Carrera
Accés obertAquest projecte s’ha realitzat amb la finalitat de determinar l’idoneÏtat de la polarografia com a mètode per a la determinació de la composició de diferents aliatges de cobalt, níquel i coure, obtingudes per electrodeposició. ... -
Chapter 5 - Recovery of high-added value compounds from dairy and winery agro-food industries using electrodialysis
(Springer, 2021)
Capítol de llibre
Accés restringit per política de l'editorialElectrodialysis (ED) is an established technology, which can separate ionic species applying an electrical potential. ED is widely used in water desalination for drinking water production, seawater concentration for table ... -
Characterization of Langmuir and Langmuir-Blodgett films of an octasubstituted zinc phthalocyanine
(2014-04-01)
Article
Accés obertIn this work we report the fabrication of Langmuir and Langmuir-Blodgett (LB) films of a substituted ZnPc (octakis(oxyoctyl) phthalocyanine of zinc), and their characterization by means of several techniques. These ... -
Characterization of modified solid electrodes with organized thin films of a tetra-substituted zinc phthalocyanine
(2022-04-01)
Article
Accés obertOrganized thin films of a zinc phthalocyanine have been deposited on solid electrodes using several techniques, such as drop casting, immersion and Langmuir-Blodgett (LB), at several conditions, and their electrochemical ... -
Clay incorporation at the dielectric layer of multilayer polymer films for electrochemical activation
(2015-08-01)
Article
Accés obertThe electrochemical properties (i.e. electroactivity, electrostability and specific capacitance) of 3-layered films made of poly(3,4-ethylenedioxythiophene) (PEDOT) and poly(N-methylpyrrole) (PNMPy) arranged alternatively ... -
CO oxidation on ceria studied by electrochemical impedance spectroscopy
(2020-09-14)
Article
Accés obertElectrochemical impedance spectroscopy technique has been widely used to analyze the electrical properties of a large number of materials. In this study, the electrical properties of CeO2 pellets under CO oxidation conditions ... -
CO2 capture and conversion: A homemade experimental approach
(OmniaScience, 2022-07)
Article
Accés obertDuring the SARS-2-Covid pandemic our institution sought to continue the teaching and learning of experimental laboratories by designing, assembling, and delivering a microscale chemistry kit to the students’ homes. Thanks ... -
Condution mechanisms and charge trapping control in SiO2 nanoparticle MIM capacitors
(2020-06-20)
Article
Accés obertThe objective of this paper is to present a charge trapping control method for MIM capacitors in whichthe dielectric is made of electrospray-deposited silica nanoparticles. The influence of the bias voltage onthe impedance ... -
Correlation between electrical and mechanical properties in La1-XSrXGa1-YMgYO3-¿ ceramics used as electrolytes for solid oxide fuel cells
(2014)
Article
Accés restringit per política de l'editorialThe relation between the electrical and the mechanical properties in Sr and Mg doped LaGaO3 ceramics, which can be used as electrolyte for solid oxide fuel cells, was investigated in terms of hardness and ionic conductivity. ... -
Co–Sn nanocrystalline solid solutions as anode materials in lithium-ion batteries with high pseudocapacitive contribution
(2019-04-05)
Article
Accés obertCo–Sn solid-solution nanoparticles with Sn crystal structure and tuned metal ratios were synthesized by a facile one pot solution-based procedure involving the initial reduction of a Sn precursor followed by incorporation ... -
Customized In situ functionalization of nanodiamonds with nanoparticles for composite carbon-paste electrodes
(2020-06)
Article
Accés obertThe incorporation of nanomaterials on (bio)sensors based on composite materials has led to important advances in the analytical chemistry field due to the extraordinary properties that these materials offer. Nanodiamonds ... -
Customized screen-printed electrodes based on Ag-nanoseeds for enhanced electroanalytical response towards Cd(II), Pb(II) and As(V) in aqueous samples
(MDPI AG, 2021-06-30)
Article
Accés obertElectrochemical analysis based on screen-printed electrodes (SPEs) represents a great alternative to conventional analytical methods such as ICP-MS or LC-MS due to their portability, sensitivity, selectivity, and ...