To provide a titanium oxide of bronze structure that can be used as an electrode material for lithium secondary batteries, that has a high coating film strength when formed into an electrode, and that has a high capacity and a good cycle stability, and a t...

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...