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Co-intercalation into graphite of lithium, potassium and barium using LiCl–KCl molten salt

Inass El Hajj 1 Lucie Speyer 1 Sébastien Cahen 1 Pascal Berger 2 Ghouti Medjahdi 1 Philippe Lagrange 1 Claire Hérold 1 
2 LEEL - UMR 3685 - Laboratoire d'Etudes des Eléments Légers
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : The synthesis of a novel first stage GIC containing simultaneously lithium, potassium and barium through a solid–liquid reaction by molten salts method is described. Such a route has been largely developed in our laboratory for intercalation of metals into graphite. The interplanar distance of this quaternary compound reaches 950 pm and exhibits poly-layered intercalated sheets defined by X-ray measurements. The Li0.2K0.75Ba0.6C6 chemical formula of the compound is determined by ion beam analysis and this GIC is remarkably homogeneous. This GIC is the first poly-layered one containing barium.
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https://hal-cea.archives-ouvertes.fr/cea-03689160
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Submitted on : Tuesday, June 7, 2022 - 8:14:36 AM
Last modification on : Wednesday, June 8, 2022 - 3:39:39 AM

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Inass El Hajj, Lucie Speyer, Sébastien Cahen, Pascal Berger, Ghouti Medjahdi, et al.. Co-intercalation into graphite of lithium, potassium and barium using LiCl–KCl molten salt. Carbon Letters, 2022, ⟨10.1007/s42823-022-00352-8⟩. ⟨cea-03689160⟩

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