Non-aqueous electrolyte secondary battery

In a non-aqueous electrolyte secondary battery having a negative electrode containing Si as a negative electrode active material, a binder containing a non-crosslinked polyacrylic acid having a weight-average molecular weight of 300,000 to 3,000,000 is incorporated into a negative electrode molded a...

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Bibliographic Details
Main Author SANO YOUKO
Format Patent
LanguageEnglish
Published 20.11.2007
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Abstract In a non-aqueous electrolyte secondary battery having a negative electrode containing Si as a negative electrode active material, a binder containing a non-crosslinked polyacrylic acid having a weight-average molecular weight of 300,000 to 3,000,000 is incorporated into a negative electrode molded article that constitutes the negative electrode, so as to prevent electrode decay resulting from expansion and contraction during charge/discharge, as well as to achieve high energy density and improved charge/discharge cycle characteristics.
AbstractList In a non-aqueous electrolyte secondary battery having a negative electrode containing Si as a negative electrode active material, a binder containing a non-crosslinked polyacrylic acid having a weight-average molecular weight of 300,000 to 3,000,000 is incorporated into a negative electrode molded article that constitutes the negative electrode, so as to prevent electrode decay resulting from expansion and contraction during charge/discharge, as well as to achieve high energy density and improved charge/discharge cycle characteristics.
Author SANO YOUKO
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RelatedCompanies MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD
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Snippet In a non-aqueous electrolyte secondary battery having a negative electrode containing Si as a negative electrode active material, a binder containing a...
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SourceType Open Access Repository
SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title Non-aqueous electrolyte secondary battery
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