NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

An object is to provide a nonaqueous electrolyte secondary battery that has an SEI coating with a special structure and has excellent battery characteristics. As an electrolytic solution of the nonaqueous electrolyte secondary battery, an electrolytic solution containing: a salt whose cation is an a...

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Hauptverfasser: NAKAGAKI, Yoshihiro, MIYOSHI, Manabu, YAMADA, Yuki, SASAKI, Hiroyuki, MASE, Kohei, HASEGAWA, Yuki, FUKUMOTO, Takefumi, KAWAI, Tomoyuki, GODA, Nobuhiro, YAMADA, Atsuo
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator NAKAGAKI, Yoshihiro
MIYOSHI, Manabu
YAMADA, Yuki
SASAKI, Hiroyuki
MASE, Kohei
HASEGAWA, Yuki
FUKUMOTO, Takefumi
KAWAI, Tomoyuki
GODA, Nobuhiro
YAMADA, Atsuo
description An object is to provide a nonaqueous electrolyte secondary battery that has an SEI coating with a special structure and has excellent battery characteristics. As an electrolytic solution of the nonaqueous electrolyte secondary battery, an electrolytic solution containing: a salt whose cation is an alkali metal, an alkaline earth metal, or aluminum and whose cation is an alkali metal, an alkaline earth metal, or aluminum; and an organic solvent having a heteroelement is used, wherein, Is>Io is satisfied, and an S,O-containing coating having an S═O structure is formed on the surface of a positive electrode and/or a negative electrode. Alternatively, the above described electrolytic solution is used, and, as a binding agent for negative electrodes, a binding agent formed of a polymer having a hydrophilic group is used.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
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