Modeling and design of semi-solid flow batteries

Kudakwashe Chayambuka, Jan Fransaer, Xochitl Dominguez-Benetton (Corresponding author)

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Uittreksel

Semi-solid flow batteries (SSFBs) provide a highly scalable energy storage alternative for the reliable use of intermittent renewable energy sources. In this work, a new pseudo three-dimensional (P3D), multi-scale and multi-physics approach to the modeling of SSFBs is presented which includes the correct way to model flowing active particles. Two coupled continuum domains; one representing the battery and another representing the electrochemically active particles, are used as the computational solution strategy, to resolve the characteristic multi-scale electrochemical phenomena. In modeling the flowing particles, solid-state diffusion is applied as the single transport mechanism, contrary to previous investigations which included convection/advection. Time dependent voltage profiles, as well as spatial distributions of the state of charge in the SSFB active particles are herein examined and a Ragone plot for a SSFB is unveiled for the first time. Although presented in the case of a nickel-metal hydride SSFB, this P3D model framework is adaptable to any other SSFB chemistry, based on Li-ion or Na-ion active materials for example.

TaalEngels
Artikelnummer226740
Aantal pagina's11
TijdschriftJournal of Power Sources
Volume434
DOI's
StatusGepubliceerd - 15 sep 2019

Vingerafdruk

solids flow
Flow of solids
electric batteries
Ions
Advection
metal hydrides
Nickel
renewable energy
Hydrides
Energy storage
Spatial distribution
energy sources
energy storage
Flow batteries
advection
Physics
Metals
spatial distribution
ions
convection

Trefwoorden

    Citeer dit

    Chayambuka, Kudakwashe ; Fransaer, Jan ; Dominguez-Benetton, Xochitl. / Modeling and design of semi-solid flow batteries. In: Journal of Power Sources. 2019 ; Vol. 434.
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    abstract = "Semi-solid flow batteries (SSFBs) provide a highly scalable energy storage alternative for the reliable use of intermittent renewable energy sources. In this work, a new pseudo three-dimensional (P3D), multi-scale and multi-physics approach to the modeling of SSFBs is presented which includes the correct way to model flowing active particles. Two coupled continuum domains; one representing the battery and another representing the electrochemically active particles, are used as the computational solution strategy, to resolve the characteristic multi-scale electrochemical phenomena. In modeling the flowing particles, solid-state diffusion is applied as the single transport mechanism, contrary to previous investigations which included convection/advection. Time dependent voltage profiles, as well as spatial distributions of the state of charge in the SSFB active particles are herein examined and a Ragone plot for a SSFB is unveiled for the first time. Although presented in the case of a nickel-metal hydride SSFB, this P3D model framework is adaptable to any other SSFB chemistry, based on Li-ion or Na-ion active materials for example.",
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    Modeling and design of semi-solid flow batteries. / Chayambuka, Kudakwashe; Fransaer, Jan; Dominguez-Benetton, Xochitl (Corresponding author).

    In: Journal of Power Sources, Vol. 434, 226740, 15.09.2019.

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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    Chayambuka K, Fransaer J, Dominguez-Benetton X. Modeling and design of semi-solid flow batteries. Journal of Power Sources. 2019 sep 15;434. 226740. Beschikbaar vanaf, DOI: 10.1016/j.jpowsour.2019.226740