NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Disclosed are a negative electrode active material for a secondary battery and a lithium secondary battery comprising the same, the negative electrode active material for a secondary battery, comprising:a lithium titanium-based composite comprising:a lithium titanium oxide represented by the followi...

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Bibliographische Detailangaben
Hauptverfasser: YOO, In-Sun, JUNG, Wang-Mo, KIM, Bo-Na, KIM, Dae-Hong, PARK, Sung-Bin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:Disclosed are a negative electrode active material for a secondary battery and a lithium secondary battery comprising the same, the negative electrode active material for a secondary battery, comprising:a lithium titanium-based composite comprising:a lithium titanium oxide represented by the following chemical formula 1;Zr doped into the lithium titanium oxide; andAluminum and sulfur containing compound coated on a surface of the lithium titanium oxide,wherein the Aluminum and sulfur containing compound is present in an amount of 0.4 mM to 0.9 mM based on 1M lithium titanium oxide:        [Chemical formula 1]     LixTiyOzwhere x, y and z satisfy 0.1≤x≤4, 1≤y≤5 and 2≤z≤12.