NONAQUEOUS SECONDARY BATTERY AND ITS MANUFACTURE

PROBLEM TO BE SOLVED: To heighten an amount of energy, and to lengthen the cyclic life span of a lithium secondary battery. SOLUTION: This nonaqueous secondary battery is composed of a positive electrode containing a positive electrode active material, a negative electrode containing a negative elec...

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Hauptverfasser:	ISHIZUKA HIROSHI, AYATO HIROSHI, SUZUKI RYUTA, INOUE AKIYUKI
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 heighten an amount of energy, and to lengthen the cyclic life span of a lithium secondary battery. SOLUTION: This nonaqueous secondary battery is composed of a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode material, and a nonaqueous electrolyte. Here, the negative electrode contains a compound oxide composed mainly of Sn(II) as a negative electrode material, and a carbon material as conductive agent, at a weight ratio of 10:90 to 80:20. Further, the density of a mix layer in the insertion of the negative electrode into a battery can is set being not less than 1.8 and less than 2.8.