CobaltMaghrebV1, France, Analysis, bibRecord, 000400

On the Na x Ni0.6Co0.4O2System: Physical and Electrochemical Studies

Identifieur interne : 000400 ( France/Analysis ); précédent : 000399; suivant : 000401

On the Na x Ni0.6Co0.4O2System: Physical and Electrochemical Studies

Auteurs : I. Saadoune [Maroc] ; A. Maazaz [Maroc] ; M. Ménétrier [France] ; C. Delmas [France]

Source :

Journal of Solid State Chemistry [ 0022-4596 ] ; 1996.

RBID : ISTEX:87DD857C7EF910E822B978004E1BA7FF57DCC2FB

Descripteurs français

Pascal (Inist)
- Accumulateur électrochimique, Cinétique, Co Na Ni O, Cobalt Oxyde, Coefficient diffusion, Composé insertion, Composé quaternaire, Désinsertion, Iode, Matériau électrode, NaxNi0,6Co0,4O2, Nickel Oxyde, Paramètre cristallin, Propriété magnétique, Réaction électrochimique, Sodium Oxyde, Solution non aqueuse, Solution électrolyte, XRD.
Wicri :
- topic : Iode.

English descriptors

KwdEn :
- Cobalt Oxides, Desinsertion, Diffusion coefficient, Electrochemical reaction, Electrode material, Electrolyte solution, Intercalation compound, Iodine, Kinetics, Lattice parameters, Magnetic properties, Nickel Oxides, Non aqueous solution, Quaternary compound, Secondary cell, Sodium Oxides, XRD.

Abstract

Sodium chemical deintercalation from the NaNi0.6Co0.4O2phase was realized by using iodine as oxidizing agent. The Na0.58Ni0.6Co0.4O2phase obtained was used as the positive electrode in sodium batteries. Several structural transformations were observed during discharge (intercalation reaction). The magnetic and electrical study of the NaxNi0.6Co0.4O2(x= 1, 0.80, 0.58) phases shows clearly that NiIII(t62e1in LS configuration) is preferentially oxidized to the tetravalent state compared to CoIII(t62e0in LS configuration). The sodium diffusion coefficient was also calculated in the solid solution domains. It shows that the diffusion kinetics is faster when sodium ions are situated in a prismatic environment.

Url:

https://api.istex.fr/document/87DD857C7EF910E822B978004E1BA7FF57DCC2FB/fulltext/pdf

DOI: 10.1006/jssc.1996.0090

Affiliations:

Links to Exploration step

ISTEX:87DD857C7EF910E822B978004E1BA7FF57DCC2FB

Le document en format XML

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On the Na x Ni0.6Co0.4O2System: Physical and Electrochemical Studies

On the Na x Ni0.6Co0.4O2System: Physical and Electrochemical Studies

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

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Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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