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Designing High-Perf...
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Jankowski, Piotr,1990Chalmers tekniska högskola,Chalmers University of Technology
(författare)
Designing High-Performant Lithium Battery Electrolytes by Utilizing Two Natures of Li+ Coordination: LiTDI/LiTFSI in Tetraglyme
- Artikel/kapitelEngelska2021
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Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:ece688ee-7b7e-491f-a8a9-a1e329eeece2
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https://doi.org/10.1002/batt.202000189DOI
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https://research.chalmers.se/publication/519728URI
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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
Anmärkningar
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Highly concentrated electrolytes (HCEs) based on glymes, such as tetraglyme (G4), are currently the focus of much battery research, primarily due to their unique properties - especially with respect to ion transport and electrochemical stability. While the LiTFSI-G4 and LiTDI-G4 systems both have been studied extensively, we here design their hybrid electrolytes to answer; will the resulting properties be averages/superpositions or will there be synergies created? We find the latter to be true and demonstrate that the most performant electrolytes are obtained by introducing a minor amount of LiTDI to an LiTFSI based electrolyte, which promotes the disproportionation and formation of "free" cations and at the same to avoid large aggregates - shown comprehensively both experimentally and by different modelling approaches and analyses combined. This electrolyte composition strategy can be generalized to other salts and solvents and thus a route towards a flora of novel battery electrolytes is here suggested.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Andersson, Rasmus,1990Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)rasande
(författare)
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Johansson, Patrik,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jpatrik
(författare)
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Chalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Batteries and Supercaps: Wiley4:4, s. 205-2132566-6223
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