NONAQUEOUS ELECTROLYTE BATTERY

A nonaqueous electrolyte battery is provided and includes a positive electrode having a positive electrode active material layer containing a positive electrode active material formed on at least one surface of a positive electrode collector, a negative electrode having a negative electrode active m...

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Main Authors WATANABE HARUO, OOYAMA TOMOYO, SAITO SHUNSUKE, NAKAI HIDEKI, KATAYAMA SHINICHI
Format Patent
LanguageEnglish
Published 08.09.2011
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Abstract A nonaqueous electrolyte battery is provided and includes a positive electrode having a positive electrode active material layer containing a positive electrode active material formed on at least one surface of a positive electrode collector, a negative electrode having a negative electrode active material layer containing a negative electrode active material formed on at least one surface of a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte. A coating film in a gel form containing an amorphous polyacid and/or polyacid compound containing one or more kinds of a polyelement is formed on the surface of at least a part of the negative electrode. Also, at least one of the polyacid and the polyacid compound contains a polyatom ion with a valence of 6 and a polyatom ion with a valence of less than 6.
AbstractList A nonaqueous electrolyte battery is provided and includes a positive electrode having a positive electrode active material layer containing a positive electrode active material formed on at least one surface of a positive electrode collector, a negative electrode having a negative electrode active material layer containing a negative electrode active material formed on at least one surface of a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte. A coating film in a gel form containing an amorphous polyacid and/or polyacid compound containing one or more kinds of a polyelement is formed on the surface of at least a part of the negative electrode. Also, at least one of the polyacid and the polyacid compound contains a polyatom ion with a valence of 6 and a polyatom ion with a valence of less than 6.
Author OOYAMA TOMOYO
SAITO SHUNSUKE
NAKAI HIDEKI
KATAYAMA SHINICHI
WATANABE HARUO
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Snippet A nonaqueous electrolyte battery is provided and includes a positive electrode having a positive electrode active material layer containing a positive...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title NONAQUEOUS ELECTROLYTE BATTERY
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