The present invention relates to a positive electrode active material including a lithium transition metal oxide represented by Formula 1 and further comprising a coating element M3-containing coating layer formed on a surface of the lithium transition met...

The present invention provides a cathode active material for a lithium ion secondary battery excellent in the cycle characteristics and rate characteristics even when charged at a high voltage, a cathode, a lithium ion secondary battery and a method for pr...

The present invention provides a non-aqueous electrolyte battery which is excellent in cycle property and is prevented from expansion of an outer case owing to suppression of gas generation. A non-aqueous electrolyte battery of the present invention includ...