Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery according to the invention comprises a positive electrode containing a positive electrode active material including lithium containing composite oxide having a layer crystal structure represented by a general formula of Li x Mn a Co b M c O 2 (0.9 X 1.1, 0....

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Bibliographic Details
Main Authors Imachi, Naoki, Nakane, Ikuro, Narukawa, Satoshi
Format Patent
LanguageEnglish
Published 05.12.2002
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Summary:A nonaqueous electrolyte secondary battery according to the invention comprises a positive electrode containing a positive electrode active material including lithium containing composite oxide having a layer crystal structure represented by a general formula of Li x Mn a Co b M c O 2 (0.9 X 1.1, 0.45 a 0.55, 0.45 b 0.55, 0<c 0.05 and 0.9<a+b+c 1.1 are set and M is at least one kind selected from Al, Mg, Sn, Ti and Zr), a negative electrode containing a negative electrode active material capable of intercalating and deintercalating lithium ion, a separator for separating the positive electrode from the negative electrode, and a nonacqueous electrolyte.