The present invention provides a positive electrode active material for lithium ion battery which attains a lithium ion battery having high safety. The positive electrode active material for lithium ion battery has a layer structure represented by the comp...

A positive electrode active material provided in the present invention is characterized in that it is substantially formed of a lithium nickel cobalt manganese composite oxide and that a molar content ratio (Ni III /Ni II ) of bivalent nickel atoms (Ni II ...

Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of Li x MyO 2 (m, x and y are as defined in the specification), wherein lithium ions intercalate into and deintercalate from mixed transition metal oxide layer...

The present invention relates to a cathode active material for a lithium secondary battery, a method of preparing thereof and a lithium secondary battery comprising the same, wherein the cathode active material comprises a compound of formula (I): €ƒ€...

A positive electrode active material for a secondary lithium battery, a method of preparing the same, and a lithium battery using the nickel-based positive electrode active material, wherein said positive electrode active material comprises a lithium nicke...

Disclosed is a lithium mixed metal oxide which is useful for a positive electrode active material that is capable of providing a nonaqueous electrolyte secondary battery having more excellent cycle characteristics, in particular, more excellent cycle chara...

The present invention relates to a lithium transition metal based compound powder for a lithium secondary battery positive electrode material, characterized by comprising a lithium transition metal based compound, which has a function of enabling insertion...

A lithium transition metal based compound powder for a lithium secondary battery positive electrode material, characterized by comprising a lithium transition metal based compound, which has a function of enabling insertion and elimination of lithium ions,...