Insertion compound able to be used as cathodic active material of a lithium rechargeable electrochemical cell

Insertion compound able to be used as cathodic active material of a lithium rechargeable electrochemical cell

aII0.5−xIII2xIV1.5−x−yy4 1−t1+t1−Z1+z2 A compound for use as active material of a positive electrode of a lithium-ion cell. This compound has an average discharge voltage above 4.5V in relation to the Li+/Li couple of approximately 4.7V. The compound includes: a) a spinel-type crystalline phase of f...

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Bibliographische Detailangaben
Hauptverfasser: Peres, Jean-Paul, Gillot, Stephane, Chouquais, Frederic, Audry, Claudette, Lecerf, Andre
Format: Patent
Sprache:eng
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Zusammenfassung:aII0.5−xIII2xIV1.5−x−yy4 1−t1+t1−Z1+z2 A compound for use as active material of a positive electrode of a lithium-ion cell. This compound has an average discharge voltage above 4.5V in relation to the Li+/Li couple of approximately 4.7V. The compound includes: a) a spinel-type crystalline phase of formula LiNiMnMnMOin which elements Ti and Al, or a mixture of these; 0.8