NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a secondary battery having high capacity and excellent cycle charge/discharge characteristics.SOLUTION: A positive electrode whose material surface is covered with a composition for a polymer solid electrolyte containing a polyether copolymer and an electrolyte salt...

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Bibliographische Detailangaben
Hauptverfasser:	MIYASHIRO HAJIME, MATSUO TAKASHI, KOBAYASHI AKIRA, MIURA KATSUHITO, TABUCHI MASAHITO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a secondary battery having high capacity and excellent cycle charge/discharge characteristics.SOLUTION: A positive electrode whose material surface is covered with a composition for a polymer solid electrolyte containing a polyether copolymer and an electrolyte salt compound contains a compound having a phenol structure with both of ortho positions substituted with a tert-butyl group, and a secondary battery having high capacity and excellent cycle charge/discharge characteristics is obtained by employing the positive electrode subjected to heat treatment for the secondary battery before application of a potential.