Titanium oxide-based compound for electrode and lithium secondary battery using the same

The present invention provides a novel titanium-based composite oxide being usable as an electrode material for a lithium secondary battery and having a high capacity and an excellent cycle stability, a method for producing the same and a lithium secondary battery using the titanium-based composite...

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Bibliographic Details
Main Authors Nakahara, Kiyoshi, Seki, Toshimasa, Hashimoto, Nobuyuki
Format Patent
LanguageEnglish
French
German
Published 28.06.2017
Subjects
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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Summary:The present invention provides a novel titanium-based composite oxide being usable as an electrode material for a lithium secondary battery and having a high capacity and an excellent cycle stability, a method for producing the same and a lithium secondary battery using the titanium-based composite oxide. Disclosed is a compound obtained by compositing titanium oxide with elements other than titanium, specifically a titanium-based composite oxide wherein the relevant chemical formula is Ti( 1-x )M x O y , M is the element Nb or the element P, or a combination of these two elements in an optional ratio therebetween, x is such that 0<x<0.17, y is such that 1.8‰¤y‰¤2.1, x is the sum of Nb and P when M is a combination of the element Nb and the element P, and the present invention provides a lithium secondary battery using as an electrode the titanium-based composite oxide.
Bibliography:Application Number: EP20110156105