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001019502 1001_ $$0P:(DE-HGF)0$$aSzczęsna-Chrzan, Anna$$b0
001019502 245__ $$aIonic conductivity, viscosity, and self-diffusion coefficients of novel imidazole salts for lithium-ion battery electrolytes
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001019502 520__ $$aLithium-ion battery performance and longevity depend critically on the conducting salt utilized in the electrolyte.With new avenues for multifunctional integration and optimization of functional properties, conducting saltsbeyond lithium hexafluorophosphate (LiPF6) need to be studied. Herein we elucidate on viscosity, ionicity,anion self-diffusion and ionic conductivity through variation of the length of the perfluoroalkyl side chainpresent in the anions of the used lithium imidazole salts. Specifically, we study LiPF6 in comparison withlithium 4,5-dicyano-2-(trifluoromethyl)imidazolide (LiTDI), lithium 4,5-dicyano-2-(pentafluoroethyl)imidazolide (LiPDI), and lithium 4,5-dicyano-2-(n-heptafluoropropyl)imidazolide (LiHDI). We find that the ionmobility of LiPF6 depends the least on viscosity and its ionicity is the highest among the electrolytesinvestigated here. LiTDI shows the strongest correlation between ion mobility and viscosity and the lowestionicity. LiPDI and LiHDI range between these two regarding their ionicity and the correlation of mobility withviscosity. The previously rarely studied anion self-diffusion coefficients exhibit a strong correlation withviscosity as it was to be expected. Differences between the LiTDI, LiPDI and LiHDI salts are minute.
001019502 536__ $$0G:(DE-HGF)POF4-1221$$a1221 - Fundamentals and Materials (POF4-122)$$cPOF4-122$$fPOF IV$$x0
001019502 536__ $$0G:(EU-Grant)957189$$aBIG-MAP - Battery Interface Genome - Materials Acceleration Platform (957189)$$c957189$$fH2020-LC-BAT-2020-3$$x1
001019502 536__ $$0G:(EU-Grant)957213$$aBATTERY 2030PLUS - BATTERY 2030+ large-scale research initiative: At the heart of a connected green society (957213)$$c957213$$fH2020-LC-BAT-2020-3$$x2
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001019502 7001_ $$00000-0001-8514-5601$$aVogler, Monika$$b1
001019502 7001_ $$0P:(DE-Juel1)186842$$aYan, Peng$$b2$$ufzj
001019502 7001_ $$0P:(DE-HGF)0$$aŻukowska, Grażyna Zofia$$b3
001019502 7001_ $$0P:(DE-Juel1)176954$$aWölke, Christian$$b4
001019502 7001_ $$0P:(DE-HGF)0$$aOstrowska, Agnieszka$$b5
001019502 7001_ $$0P:(DE-HGF)0$$aSzymańska, Sara$$b6
001019502 7001_ $$0P:(DE-HGF)0$$aMarcinek, Marek$$b7
001019502 7001_ $$0P:(DE-Juel1)166130$$aWinter, Martin$$b8$$ufzj
001019502 7001_ $$0P:(DE-Juel1)171204$$aCekic-Laskovic, Isidora$$b9$$eCorresponding author
001019502 7001_ $$0P:(DE-HGF)0$$aWieczorek, Władysław$$b10$$eCorresponding author
001019502 7001_ $$00000-0002-3461-0232$$aStein, Helge S.$$b11$$eCorresponding author
001019502 773__ $$0PERI:(DE-600)2702232-8$$a10.1039/D3TA01217D$$gVol. 11, no. 25, p. 13483 - 13492$$n25$$p13483 - 13492$$tJournal of materials chemistry / A$$v11$$x2050-7488$$y2023
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