Layered Li(Ni, M)O2 systems as the cathode material in lithium-ion batteries
Langue
en
Article de revue
Ce document a été publié dans
MRS Bulletin. 2002, vol. 27, n° 8, p. 608-612
Cambridge University Press (CUP)
Résumé en anglais
Compared with LiCoO2, the dominant cathode material in today's lithium batteries, lithium nickel oxide derivatives [Li(Ni, M)O2, where M - Co, Fe, Al, Mg] offer a higher specific energy at a lower cost. The synthesis and ...Lire la suite >
Compared with LiCoO2, the dominant cathode material in today's lithium batteries, lithium nickel oxide derivatives [Li(Ni, M)O2, where M - Co, Fe, Al, Mg] offer a higher specific energy at a lower cost. The synthesis and structure of these materials are described. The electrochemical performances of the pure nickel compound and a number of multicomponent systems are assessed. The goals of these fundamental studies are to optimize the synthesis conditions and material composition to achieve good electrochemical reversibility, decrease capacity loss upon cycling, and enhance thermal stability in the deintercalated state in order to improve cell safety.< Réduire
Mots clés en anglais
Cationic substitution
Diffraction
Intercalation
Layered oxides
Lithium nickelate
Rechargeable lithium batteries
Redox processes
Origine
Importé de halUnités de recherche