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Article Dans Une Revue Journal of Physical Chemistry B Année : 2001

Structural, Bonding, and Electrochemical Properties of Perfluorinated Fullerene C70F56

Daniel Claves
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Jérôme Giraudet
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André Hamwi
  • Fonction : Auteur
Roland Benoit
  • Fonction : Auteur

Résumé

The synthesis of a perfluorinated compound of average composition C70F56 is described. The associated properties are examined at the molecular level and for the bulk material. It is shown that fluorination involves an expansion of the carbon frame and that the length of the resulting C-F bond is elongated to 1.45 Å and possesses an ionocovalent nature. The corresponding crystalline product has fcc symmetry related to complete orientational disorder of the fluorinated molecules. When C70F56 is used in lithium batteries, the formation of LiF results via a preliminary intercalation reaction.

Domaines

Chimie

Dates et versions

hal-04051309 , version 1 (30-05-2023)

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Citer

Daniel Claves, Jérôme Giraudet, André Hamwi, Roland Benoit. Structural, Bonding, and Electrochemical Properties of Perfluorinated Fullerene C70F56. Journal of Physical Chemistry B, 2001, 105, pp.1739 - 1742. ⟨10.1021/jp0026336⟩. ⟨hal-04051309⟩
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