Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte. Characteristically, the positive active material comprises a mixture of a lithium transition metal...

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Main Authors FUJITANI SHIN, TAKAHASHI YASUFUMI, KINOSHITA AKIRA, NAKANE IKURO, FUJIMOTO HIROYUKI, TODE SHINGO, HASEGAWA KAZUHIRO
Format Patent
LanguageEnglish
Published 28.12.2010
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte. Characteristically, the positive active material comprises a mixture of a lithium transition metal complex oxide A obtained by incorporating at least Zr and Mg into LiCoO2 and a lithium transition metal complex oxide B having a layered structure and containing at least Ni and Mn as the transition metal.
Bibliography:Application Number: US20090588301