MANUFACTURING METHOD OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having high reliability by using a manufacturing method accurately detecting and exhausting micro-short-circuit defects of the nonaqueous electrolyte secondary battery without deteriorating battery characteristics. SOLUTION:...

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Main Authors HIGO HIDEKI, MATSUMURA ICHIRO, KITAYAMA HIROAKI, SHIGEMOTO RIYOUJI, KANETANI NORIHIRO
Format Patent
LanguageEnglish
Published 24.04.2008
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Abstract PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having high reliability by using a manufacturing method accurately detecting and exhausting micro-short-circuit defects of the nonaqueous electrolyte secondary battery without deteriorating battery characteristics. SOLUTION: After conducting the finishing charge discharge of the nonaqueous electrolyte secondary battery, the first time voltage is measured after the nonaqueous electrolyte secondary battery is stored at 40-70°C, the second time voltage is measured after the nonaqueous electrolyte secondary battery is stored at -20°C to 20°C, and the difference between the first time voltage and the second time voltage is measured. COPYRIGHT: (C)2008,JPO&INPIT
AbstractList PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having high reliability by using a manufacturing method accurately detecting and exhausting micro-short-circuit defects of the nonaqueous electrolyte secondary battery without deteriorating battery characteristics. SOLUTION: After conducting the finishing charge discharge of the nonaqueous electrolyte secondary battery, the first time voltage is measured after the nonaqueous electrolyte secondary battery is stored at 40-70°C, the second time voltage is measured after the nonaqueous electrolyte secondary battery is stored at -20°C to 20°C, and the difference between the first time voltage and the second time voltage is measured. COPYRIGHT: (C)2008,JPO&INPIT
Author KANETANI NORIHIRO
HIGO HIDEKI
KITAYAMA HIROAKI
MATSUMURA ICHIRO
SHIGEMOTO RIYOUJI
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Snippet PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having high reliability by using a manufacturing method accurately detecting and...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title MANUFACTURING METHOD OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
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