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  2. School of Engineering
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  4. Publikationen School of Engineering
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dc.contributor.authorMourouga, Gaël-
dc.contributor.authorBaudrin, Emmanuel-
dc.contributor.authorCourty, Mathieu-
dc.contributor.authorSchmidt, Thomas J.-
dc.contributor.authorSchumacher, Jürgen-
dc.date.accessioned2021-06-11T13:27:55Z-
dc.date.available2021-06-11T13:27:55Z-
dc.date.issued2021-04-20-
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/22638-
dc.description.abstractThe field of aqueous organic redox-flow batteries (AORFBs) has been developing fast in re-cent years, and many chemistries are starting to emerge as serious contenders for grid-scale stor-age owing to their long lifetime, environmental friendliness, and low cost. Their main disadvantage, namely low energy density, can be overcome by increasing the concentration of active materials, at the cost of increasing the non-ideal behaviour of the electrolytes. Many authors have brought evidence that the dilute solution hypothesis does not hold for these systems, and that voltage or osmosis predictions should be parametrised with chemical activities rather than concentrations. Unfortunately, the activity coefficients of such novel electrolytes have not, for the most part, been reported in the literature. The present work aims to provide a fast method, both experimental and computational, for the estimation of activity coefficients at different temperatures using Differ-ential Scanning Calorimetry (DSC), the Gibbs-Helmholtz equation and the Pitzer equations. The accuracy of the method is demonstrated on common salts (NaCl, KCl, CaCl2) and applied to the all-organic TEMPTMA/Paraquat aqueous flow battery system.de_CH
dc.language.isoende_CH
dc.rightsNot specifiedde_CH
dc.subjectEnergy storagede_CH
dc.subjectFlow Batteriesde_CH
dc.subjectThermodynamicsde_CH
dc.subjectModellingde_CH
dc.subject.ddc540: Chemiede_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleTowards rigorous thermodynamics in aqueous flow batteries : measuring activity coefficients with differential scanning calorimetryde_CH
dc.typeKonferenz: Sonstigesde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
zhaw.conference.details17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), online, 20-22 April 2021de_CH
zhaw.funding.euinfo:eu-repo/grantAgreement/EC/H2020/765289// European Training Network to improve materials for high-performance, low-cost next- generation redox-flow batteries/FlowCampde_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewNot specifiedde_CH
zhaw.webfeedChemieingenieurwesende_CH
zhaw.funding.zhawRedox Flow Battery Campusde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Mourouga, G., Baudrin, E., Courty, M., Schmidt, T. J., & Schumacher, J. (2021, April 20). Towards rigorous thermodynamics in aqueous flow batteries : measuring activity coefficients with differential scanning calorimetry. 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), Online, 20-22 April 2021.
Mourouga, G. et al. (2021) ‘Towards rigorous thermodynamics in aqueous flow batteries : measuring activity coefficients with differential scanning calorimetry’, in 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), online, 20-22 April 2021.
G. Mourouga, E. Baudrin, M. Courty, T. J. Schmidt, and J. Schumacher, “Towards rigorous thermodynamics in aqueous flow batteries : measuring activity coefficients with differential scanning calorimetry,” in 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), online, 20-22 April 2021, Apr. 2021.
MOUROUGA, Gaël, Emmanuel BAUDRIN, Mathieu COURTY, Thomas J. SCHMIDT und Jürgen SCHUMACHER, 2021. Towards rigorous thermodynamics in aqueous flow batteries : measuring activity coefficients with differential scanning calorimetry. In: 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), online, 20-22 April 2021. Conference presentation. 20 April 2021
Mourouga, Gaël, Emmanuel Baudrin, Mathieu Courty, Thomas J. Schmidt, and Jürgen Schumacher. 2021. “Towards Rigorous Thermodynamics in Aqueous Flow Batteries : Measuring Activity Coefficients with Differential Scanning Calorimetry.” Conference presentation. In 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), Online, 20-22 April 2021.
Mourouga, Gaël, et al. “Towards Rigorous Thermodynamics in Aqueous Flow Batteries : Measuring Activity Coefficients with Differential Scanning Calorimetry.” 17th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (MODVAL 17), Online, 20-22 April 2021, 2021.


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