Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery including a negative electrode containing a graphite material as the negative active material, a positive electrode containing lithium cobalt oxide as a main component of the positive active material and a nonaqueous electrolyte solution, the battery being...

Full description

Saved in:
Bibliographic Details
Main Authors FUJITANI SHIN, TAKAHASHI YASUFUMI, KINOSHITA AKIRA, NAKANE IKURO, ABE KOJI, MIYOSHI KAZUHIRO, FUJIMOTO HIROYUKI, TODE SHINGO
Format Patent
LanguageEnglish
Published 07.10.2010
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online AccessGet full text

Cover

More Information
Summary:A nonaqueous electrolyte secondary battery including a negative electrode containing a graphite material as the negative active material, a positive electrode containing lithium cobalt oxide as a main component of the positive active material and a nonaqueous electrolyte solution, the battery being characterized in that the lithium cobalt oxide contains a group IVA element selected from the group consisting of Ti, Zr and Hf and a group IIA element of the periodic table, the nonaqueous electrolyte solution contains 0.2-1.5% by weight of a sulfonyl-containing compound and preferably further contains 0.5-4% by weight of vinylene carbonate.
Bibliography:Application Number: US20100801631