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On the coupled ther...
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Carlstedt, David,1984Chalmers tekniska högskola,Chalmers University of Technology
(författare)
On the coupled thermo–electro–chemo–mechanical performance of structural batteries with emphasis on thermal effects
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
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Elsevier BV,2022
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:21615313-6833-41b4-b560-8d2aba83cef4
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https://doi.org/10.1016/j.euromechsol.2022.104586DOI
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https://research.chalmers.se/publication/529329URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
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Carbon fibre (CF) based structural batteries is a type of battery designed to sustain mechanical loads. In this paper, a fully coupled thermo–electro–chemo–mechanical computational modelling framework for CF based structural batteries is presented. We consider the combined effects of lithium insertion in the carbon fibres leading to insertion strains, and thermal expansion/shrinkage of the constituents leading to thermal (free) strains, while assuming transverse isotropy. The numerical studies show that the developed framework is able to capture the coupled thermo–electro–chemo–mechanical behaviour. Moreover, it is found that the dominating source for heat generation during galvanostatic cycling is associated with discontinuities in the electrical and chemical potentials at the fibre/electrolyte interface. Further, a limited parameter study shows that the temperature change during electrochemical cycling is significantly influenced by the applied current, thermal properties of the constituents and heat exchange with the surroundings. Finally, for large temperature variations, e.g. as identified during relevant (dis)charge conditions, the magnitude of the thermal strains in the structural battery electrolyte (SBE) are found to be similar to the insertion induced strains.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Runesson, Kenneth,1948Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)keru
(författare)
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Larsson, Fredrik,1975Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lafr
(författare)
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Asp, Leif,1966Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)leifas
(författare)
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Chalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:European Journal of Mechanics, A/Solids: Elsevier BV940997-7538
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