Patent ID: 6746800
Filing Date: 2004-06-08
Classification: H01M,Y02E

Abstract:
A nonaqueous electrolyte secondary battery comprising a mixture of a first oxide and a second oxide for it's a positive electrode material of said battery,wherein said first oxide is a spinel lithium-manganese complex oxide that consists substantially of lithium, manganese, a metal other than manganese, and oxygen and that is represented by the compositional formula LixMn2âˆ’yM1yO4+z where M1 is at least one of Al and Mg, 0&lE;x&lE;1.2, 0wherein said second oxide is represented by the compositional formula LiaM2bNicCodO2 where M2 is at least one element selected from the group consisting of Al, Mn, Mg and Ti, 0