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 LixMnaCobMcO2(0.9<=X<=1.1, 0.45...

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Bibliographic Details
Main Authors NARUKAWA SATOSHI, NAKANE IKURO, IMACHI NAOKI
Format Patent
LanguageEnglish
Published 05.12.2002
Edition7
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 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 LixMnaCobMcO2(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.
Bibliography:Application Number: US20020158019