NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery having excellent cycle property. SOLUTION: The nonaqueous electrolyte secondary battery has a carbon particle containing layer formed on a negative electrode collector, and a silicon containing layer containing silicon or a silicon comp...

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Bibliographic Details
Main Author YAMATE SHIGEKI
Format Patent
LanguageEnglish
Published 16.03.2006
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery having excellent cycle property. SOLUTION: The nonaqueous electrolyte secondary battery has a carbon particle containing layer formed on a negative electrode collector, and a silicon containing layer containing silicon or a silicon compound formed on the carbon particle containing layer. The surface roughness Ra of the carbon particle containing layer facing to the silicon containing layer is 0.3 μm≤Ra≤9.0 μm. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040258821