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Article Dans Une Revue Journal of Fluorine Chemistry Année : 2012

Applicative performances of fluorinated carbons through the fluorination routes: A review

Katia Guérin
MI
Marc Dubois
  • Fonction : Auteur
  • PersonId : 923103
MI
André Hamwi
  • Fonction : Auteur
MI

Résumé

Electrochemical performances of fluorinated carbons and nanocarbons as electrode materials for primary lithium batteries are reviewed and compared with the ones of conventional carbon fluorides. Fluorination conditions strongly influence the electrochemical performances, then different strategies of fluorination have been developed, by the group "Fluorination and fluorinated materials" of the laboratory of Inorganic Materials in Clermont University, in order to promote some particular electrochemical parameters, namely the discharge potential, the energy density, the power density or the faradic yield. As a consequence, 3 new ways of fluorination have been carried out since 10 years in our laboratory: (i) catalytic fluorination combined with a post fluorination under pure fluorine gas, (ii) sub-fluorination process and (iii) fluorination by TbF4, XeF2, ... decomposition. Enhanced electrochemical performances have been obtained and the fluorination mechanisms of each family of fluorinated carbons have been better understood thank to a deep physico-chemical characterization by XRD, IR and Raman spectroscopies, solid state NMR with 13C and 19F nuclei and EPR.
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Dates et versions

hal-00683668 , version 1 (29-03-2012)

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  • HAL Id : hal-00683668 , version 1

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Katia Guérin, Marc Dubois, Axel Houdayer, André Hamwi. Applicative performances of fluorinated carbons through the fluorination routes: A review. Journal of Fluorine Chemistry, 2012, 134, pp.11-17. ⟨hal-00683668⟩
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