Browsing by Subject "Ions"
Now showing items 1-20 of 27
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A limiting case of constant counterion electrochemical potentials in the membrane for examining ion transfer at ion-exchange membranes and patches
(2019-10-08)
Article
Open AccessIon passage through ion-exchange membranes is vital in electrodialysis desalination, batteries and fuel cells, and water splitting. Simplified models of ion transport through such membranes frequently assume complete ... -
A potential lignocellulosic biomass based on banana waste for critical rare earths recovery from aqueous solutions
(2020-04-29)
Article
Open AccessRare earth elements (REE) present multiple applications in technological devices but also drawbacks (scarcity and water contaminant). The current study aims to valorise the banana wastes - banana rachis (BR), banana ... -
Addressing challenges in ion-selectivity characterization in nanopores
(American Chemical Society, 2024-04-12)
Article
Restricted access - publisher's policyIon selectivity is the basis for designing smart nanopore/channel-based devices, e.g., ion separators and biosensors. Quantitative characterization of ion selectivities in nanopores often employs the Nernst or Goldman–Hodgkin–Katz ... -
Avaluació de la qualitat de l'aigua regenerada per l'ús hortícola a les corredores de Gavà
(Universitat Politècnica de Catalunya, 2023-09-05)
Bachelor thesis
Restricted access - confidentiality agreementThis study aims to evaluate the quality of reclaimed water for horticultural use, considering different parameters, such as nutrient concentration, the presence of microbiological contaminants, and salinity, among others. ... -
Computational analysis of ion cyclotron resonance frequency heating for DEMO
(Universitat Politècnica de Catalunya, 2015-06)
Master thesis
Open AccessIon cyclotron resonance frequency heating (ICRH) is one of the most important mechanisms to heat fusion plasma. The magnetic field generated by the magnetic coils forces ions to follow a cyclotron trajectory around the ... -
Degradation of Monochloroacetic acid by aluminium modified Fenton process
(Universitat Politècnica de Catalunya, 2017-06)
Master thesis
Open AccessThis study investigates the degradation of monochloroacetic acid (MCA) by aluminium modified Fenton Process. Fenton reaction and its modifications using zero-‐valent aluminium (ZVAl) and Al3+ io ... -
Disseny i caracterització de biosensors pel monitoratge de marcadors en l'entorn esportiu i sanitari
(Universitat Politècnica de Catalunya, 2023-07-21)
Bachelor thesis
Open Access
Covenantee: Onalabs Inno-HubCurrently, the sports community is in search of portable devices with the ability to monitor their training and recovery process accurately and continuously, with the primary goal of maximizing their physical performance ... -
Effect of inclusion of pitch-angle dependence on a simplified model of RF deposition in tokamak plasma
(IOP Publishing, 2022-04)
Article
Open AccessUsing the PION ICRH modelling code and comparisons against JET tokamak experiments, the effect of including pitch angle dependence within the RF diffusion operator on the fast ion particle distribution functions is quantified. ... -
Effects of concentration on structure, dielectric, and dynamic properties of aqueous NaCl solutions using a polarizable model
(American Institute of Physics (AIP), 2010-06-03)
Article
Restricted access - publisher's policyThe study of NaCl solutions in water at finite concentration, explicitly including polarization in water molecules and ions, has been carried out by molecular dynamics simulations. A comparison of the RPOL polarizable model ... -
Experimental tools for quantum networking operations with single photons and sinlge ions
(Universitat Politècnica de Catalunya, 2014-01-29)
Doctoral thesis
Open AccessOne promising approach for future quantum networks is the combination of strings of trapped ions as quantum-information processors with entangled photon pairs produced by spontaneous parametric down conversion (SPDC) to ... -
First-principles study on the interplay of strain and state-of-charge with Li-Ion diffusion in the battery cathode material LiCoO2
(2023-11-09)
Article
Open AccessCathode degradation of Li-ion batteries (Li+) continues to be a crucial issue for higher energy density. A main cause of this degradation is strain due to stress induced by structural changes according to the state-of-charge ... -
Heating bulk ions in DEMO with ICRF waves
(Barcelona Supercomputing Center, 2015-05-05)
Conference report
Open AccessIon cyclotron resonance frequency heating (ICRF) is one of the auxiliary heating schemes presently envisaged for ITER and DEMO. In this paper we analyse the potential of ICRF waves to heat the fuel ions in DEMO. Our ... -
How concerted are ionic hops in inorganic solid-state electrolytes?
(American Chemical Society, 2023-03-18)
Article
Restricted access - publisher's policyDespite being fundamental to the understanding of solid-state electrolytes (SSEs), little is known on the degree of coordination between mobile ions in diffusive events, thus hindering a detailed comprehension and possible ... -
Ionic liquids as biocompatible antibacterial agents: a case study on structure-related bioactivity on Escherichia coli
(American Chemical Society, 2022-10-19)
Article
Open AccessThe potential of ionic liquids (ILs) to be used as antimicrobial agents for biomedical applications has been hindered by the fact that most of them are cytotoxic toward mammalian cells. Understanding the mechanism of ... -
On the structure of water and chloride ion interactions with a peptide backbone in solution
(2013-12-28)
Article
Restricted access - publisher's policyThe arrangement of water and chloride ions around a model peptide (glycyl-L-prolyl-glycine-NH2) was investigated using Molecular Dynamics (MD) simulations and complementary Empirical Potential Structure Refinement (EPSR) ... -
Puesta en marcha de una planta piloto para el tratamiento de aguas del acuífero de Sant Adrià del Besòs
(Universitat Politècnica de Catalunya, 2020-10-21)
Master thesis
Open AccessA Sant Adrià del Besòs hi ha un excés d’aigües freàtiques que son bombejades per evitar inundacions en soterranis i son abocades al clavegueram. Aquestes aigües no es poden utilitzar degut a l’alta càrrega de contaminant ... -
Recovery of lithium carbonate from dilute Li-Rich brine via homogenous and heterogeneous precipitation
(American Chemical Society (ACS), 2022-08-30)
Article
Open AccessAn extensive experimental campaign on Li recovery from relatively dilute LiCl solutions (i.e., Li+ ~ 4000 ppm) is presented to identify the best operating conditions for a Li2CO3 crystallization unit. Lithium is currently ... -
Recuperació de la cel·lulosa provinent de teixits polièster/cotó a partir de la utilització de líquids iònics
(Universitat Politècnica de Catalunya, 2022-06-02)
Bachelor thesis
Restricted access - author's decisionEl consum de tèxtil per habitant creix de manera exponencial, de manera que, el desenvolupament de nous processos sobre la gestió i els tractaments de residus tèxtils resulta una oportunitat clau per aconseguir models ... -
Role of oxygen vacancy ordering and channel formation in tuning intercalation pseudocapacitance in Mo single-ion-implanted CeO2–x nanoflakes
(2021-12-22)
Article
Open AccessMetal oxide pseudocapacitors are limited by low electrical and ionic conductivities. The present work integrates defect engineering and architectural design to exhibit, for the first time, intercalation pseudocapacitance ... -
Síntesis de microesferas cargadas con nanopartículas dopadas con iones para la estimulación de la regeneración ósea
(Universitat Politècnica de Catalunya, 2021-01-28)
Bachelor thesis
Restricted access - author's decision
