ELECTRODE ACTIVE MATERIAL AND PROCESS FOR MANUFACTURING SAID ELECTRODE ACTIVE MATERIAL

ELECTRODE ACTIVE MATERIAL AND PROCESS FOR MANUFACTURING SAID ELECTRODE ACTIVE MATERIAL

Electrode active material comprising (A) a core material according to general formula Li1+x1TM1−x1O2 wherein TM is a combination of Ni and at least one of Mn, Co and Al, and, optionally, at least one more metal selected from Mg, Ti, Zr, Nb, Ta, and W, and x1 is in the range of from −0.05 to 0.2, and...

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Bibliographische Detailangaben
Hauptverfasser: LONG, BRANDON RAY, HAAG, JACOB, KIM, YOUNG JIN, VASSILARAS, PLOUSIA, SIOSS, JAMES A, LAMPERT, JORDAN
Format: Patent
Sprache:eng ; pol
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:Electrode active material comprising (A) a core material according to general formula Li1+x1TM1−x1O2 wherein TM is a combination of Ni and at least one of Mn, Co and Al, and, optionally, at least one more metal selected from Mg, Ti, Zr, Nb, Ta, and W, and x1 is in the range of from −0.05 to 0.2, and (B) particles of cobalt compound(s) and of titanium compound(s) and of zirconium compound(s) and of aluminum compound(s) in which the average oxidation state of cobalt is higher than +II and lower than +III and wherein the molar ratio of lithium to cobalt in said particles is in the range of from zero to 1 and wherein said particles are attached to the surface of the core material.