摘要 |
A battery excellent in high temperature storage characteristic is presented. It comprises a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode material, a nonaqueous solvent, and an electrolytic solution containing at least one of organic compounds expressed in formula 1 and formula 2. The positive electrode active material has an oxide compound containing a lithium atom, and the negative electrode material has a material capable of storing and releasing a lithium ion. <CHEM> where R1, R2, R3, R4 are individually at least one selected from the group consisting of H, aryl group, and aryl group having a functional group containing a substituent having an electron attracting property, and the number of H is three or less. <CHEM> |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
WATANABE, SHOICHIRO;IWAMOTO, KAZUYA;UEDA, ASTUSHI;NUNOME, JUN;KOSHINA, HIZURU |