Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

H - Electricity

01

M

H01M 10/02 (2006.01) H01M 4/48 (2006.01)

Patent

CA 2365562

A nonaqueous electrolyte secondary battery comprising a mixture of a first oxide and a second oxide for its positive electrode material. The first oxide is a spinel lithium-manganese complex oxide that consists substantially of lithium, manganese, a metal other than manganese, and oxygen. The second oxide is different in composition from the first oxide and consists substantially of lithium, nickel, cobalt, a metal other than nickel and cobalt, and oxygen.

L'invention concerne une cellule secondaire à électrolyte non aqueux caractérisée en ce que le matériau de la plaque positive est un mélange entre un premier oxyde, à savoir un oxyde de spinelle sensiblement à base de lithium, de manganèse, de métal différent du manganèse, et d'oxygène, d'une part, et un second oxyde différent du premier oxyde, à savoir un oxyde sensiblement à base de lithium, de nickel, de cobalt, d'un métal différent du nickel et du cobalt, et d'oxygène, d'autre part.

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