Publication: Mathematical modelling of a membrane-less redox flow battery based on immiscible electrolytes
dc.affiliation.dpto | UC3M. Departamento de Ingeniería Térmica y de Fluidos | es |
dc.affiliation.grupoinv | UC3M. Grupo de Investigación: Mecánica de Fluidos | es |
dc.contributor.author | Ruiz Martín, Desirée | |
dc.contributor.author | Moreno Boza, Daniel | |
dc.contributor.author | Marcilla, Rebeca | |
dc.contributor.author | Vera Coello, Marcos | |
dc.contributor.author | Sánchez Sanz, Mario | |
dc.date.accessioned | 2021-10-29T09:00:34Z | |
dc.date.available | 2021-10-29T09:00:34Z | |
dc.date.issued | 2022-01 | |
dc.description.abstract | We present a mathematical model to study the steady-state performance of a membrane-less reversible redox flow battery formed by two immiscible electrolytes that spontaneously form a liquid-liquid system separated by a well defined interface. The model assumes a two-dimensional battery with two coflowing electrolytes and flat electrodes at the channel walls. In this configuration, the analysis of the far downstream solution indicates that the interface remains stable in all the parameter range covered by this study. To simplify the description of the problem, we use the dilute solution theory to decouple the calculation of the velocity and species concentration fields. Once the velocity field is known, we obtain the distribution of the mobile ionic species along with the current and the electric potential field of the flowing electrolyte solution. The numerical integration of the problem provides the variation of the battery current density Iapp with the State of Charge (SoC) for different applied cell voltages Vcell. A detailed analysis of the concentration density plots indicates that the normal operation of the battery is interrupted when reactant depletion is achieved near the negative electrode both during charge and discharge. The effect of the electrolyte flow on the performance of the system is studied by varying the Reynolds, Re and Péclet, Pe, numbers. As expected, the flow velocity only affects the polarization curve in the concentration polarization region, when is well below the equilibrium potential, resulting in limiting current densities that grow with Re...... | en |
dc.description.sponsorship | This work has been partially funded by the Spanish Agencia Estatal de Investigación under projects (PID2019-106740RB- I00 and PID2019-108592RB-C41/AEI/10.13039/50110 0 011033), by Grant IND2019/AMB-17273 of the Comunidad de Madrid and by project MFreeB which have received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 726217). D. Ruiz-Martín acknowledges the support of an FPI predoctoral fellowship (BES-2016-078629) under project ENE2015-68703-C2-1-R (MINECO/FEDER, UE) and the insigh- ful conversations with professor Mark Blyth during her research visit at the University of East Anglia (UK). | en |
dc.format.extent | 15 | es |
dc.identifier.bibliographicCitation | Applied Mathematical Modelling, 101, Jan. 2022, Pp. 96-110 | en |
dc.identifier.doi | https://doi.org/10.1016/j.apm.2021.08.020 | |
dc.identifier.issn | 0307-904X | |
dc.identifier.publicationfirstpage | 96 | es |
dc.identifier.publicationlastpage | 110 | es |
dc.identifier.publicationtitle | APPLIED MATHEMATICAL MODELLING | en |
dc.identifier.publicationvolume | 101 | es |
dc.identifier.uri | https://hdl.handle.net/10016/33509 | |
dc.identifier.uxxi | AR/0000028507 | |
dc.language.iso | eng | en |
dc.publisher | Elsevier Inc. | en |
dc.relation.projectID | Gobierno de España. ENE2015-68703-C2-1-R | es |
dc.relation.projectID | Gobierno de España. BES-2016-078629 | es |
dc.relation.projectID | Comunidad de Madrid. IND2019/AMB-17273 | es |
dc.relation.projectID | Gobierno de España. PID2019-106740RB-I00 | es |
dc.relation.projectID | Gobierno de España. PID2019-108592RB-C41 | es |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/726217 | en |
dc.rights | ©2021 The Authors. Published by Elsevier Inc. | en |
dc.rights | This is an open access article under the CC BY-NC-ND license | en |
dc.rights | Atribución-NoComercial-SinDerivadas 3.0 España | * |
dc.rights.accessRights | open access | en |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ | * |
dc.subject.eciencia | Ingeniería Industrial | es |
dc.subject.eciencia | Matemáticas | es |
dc.subject.other | Membrane-less redox flow battery | en |
dc.subject.other | Immiscible electrolyte | en |
dc.subject.other | Interface instability | en |
dc.subject.other | Dilute solutions | en |
dc.title | Mathematical modelling of a membrane-less redox flow battery based on immiscible electrolytes | en |
dc.type | research article | * |
dc.type.hasVersion | VoR | * |
dspace.entity.type | Publication |
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