Extending insertion electrochemistry to soluble layered halides with superconcentrated electrolytes

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dc.contributor.authorDubouis, Nen_AU
dc.contributor.authorMarchandier, Ten_AU
dc.contributor.authorRousse, Gen_AU
dc.contributor.authorMarchini, Fen_AU
dc.contributor.authorFauth, Fen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorIadecola, Aen_AU
dc.contributor.authorPorcheron, Ben_AU
dc.contributor.authorDeschamps, Men_AU
dc.contributor.authorTarascon, JMen_AU
dc.contributor.authorGrimaud, Aen_AU
dc.date.accessioned2021-09-13T22:58:58Zen_AU
dc.date.available2021-09-13T22:58:58Zen_AU
dc.date.issued2021-07-29en_AU
dc.date.statistics2021-09-07en_AU
dc.description.abstractInsertion compounds provide the fundamental basis of today’s commercialized Li-ion batteries. Throughout history, intense research has focused on the design of stellar electrodes mainly relying on layered oxides or sulfides, and leaving aside the corresponding halides because of solubility issues. This is no longer true. In this work, we show the feasibility of reversibly intercalating Li+ electrochemically into VX3 compounds (X = Cl, Br, I) via the use of superconcentrated electrolytes (5 M LiFSI in dimethyl carbonate), hence opening access to a family of LixVX3 phases. Moreover, through an electrolyte engineering approach, we unambiguously prove that the positive attribute of superconcentrated electrolytes against the solubility of inorganic compounds is rooted in a thermodynamic rather than a kinetic effect. The mechanism and corresponding impact of our findings enrich the fundamental understanding of superconcentrated electrolytes and constitute a crucial step in the design of novel insertion compounds with tunable properties for a wide range of applications including Li-ion batteries and beyond. © 2021 Springer Nature Limiteden_AU
dc.identifier.citationDubouis, N., Marchandier, T., Rousse, G., Marchini, F., Fauth, F., Avdeev, M., Iadecola, A., Porcheron, B., Deschamps, M., Tarascon, J.-M., & Grimaud, A. (2021). Extending insertion electrochemistry to soluble layered halides with superconcentrated electrolytes. Nature Materials. doi:10.1038/s41563-021-01060-wen_AU
dc.identifier.issn1476-4660en_AU
dc.identifier.issue29en_AU
dc.identifier.journaltitleNature Materialsen_AU
dc.identifier.pagination1545-1550en_AU
dc.identifier.urihttps://doi.org/10.1038/s41563-021-01060-wen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11687en_AU
dc.identifier.volume7en_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectElectrochemistryen_AU
dc.subjectElectric batteriesen_AU
dc.subjectThermodynamicsen_AU
dc.subjectLithium ion batteriesen_AU
dc.subjectHalidesen_AU
dc.subjectElectrolytesen_AU
dc.titleExtending insertion electrochemistry to soluble layered halides with superconcentrated electrolytesen_AU
dc.typeJournal Articleen_AU
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