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

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...

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Bibliographic Details
Published in:Carbon Letters 2023-08, Vol.33 (5), p.1303-1309
Main Authors: Hajj, Inass El, Speyer, Lucie, Cahen, Sébastien, Berger, Pascal, Medjahdi, Ghouti, Lagrange, Philippe, Claire Hérold
Format: Article
Language:English
Subjects:
Alloys
Analytical techniques
Barium
Carbon
Chemical Sciences
Graphene
Graphite
Heavy metals
Inorganic chemistry
Intercalation
Ion beams
Lithium
Lithium chloride
Metals
Molten salts
Nuclear reactors
Potassium
Potassium chloride
Scanning electron microscopy
Spectrum analysis
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Summary: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.
ISSN:1976-4251
2233-4998
DOI:10.1007/s42823-022-00352-8