SECONDARY BATTERY

A secondary battery is provided with a positive electrode, a negative electrode, and an electrolyte. The positive electrode is provided with a positive electrode active material layer which includes:a positive electrode active material; a fluorine-based binder having a melting point in the range of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HORIUCHI HIROSHI, IWANE NOBUYUKI
Format:	Patent
Sprache:	chi ; 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:	A secondary battery is provided with a positive electrode, a negative electrode, and an electrolyte. The positive electrode is provided with a positive electrode active material layer which includes:a positive electrode active material; a fluorine-based binder having a melting point in the range of 152-166 DEG C inclusive; a conductivity aid having a specific surface area in the range of 1000-1500 m2/g inclusive; and a vinylpyrrolidone-based polymer. 二次电池具备正极、负极和电解质，正极具备包含正极活性物质、熔点为152℃以上且166℃以下的氟系粘结剂、比表面积为1000m2/g以上且1500m2/g以下的导电助剂和乙烯基吡咯烷酮系聚合物的正极活性物质层。