摘要 |
A nonaqueous electrolyte secondary battery comprising a positive electrode (4) housed in a case (1) a negative electrode (6) arranged in the case (1) so that a separator (5) is sandwiched between the positive and negative electrodes (4, 6) consisting of lithium or lithium-containing material, and a nonaqueous electrolyte contained in the case (1) and prepared by dissolving an electrolytic salt consisting of lithium phosphate hexafluoride (LiPF6) or lithium borofluoride (LiBF4) in a solvent mixture consisting of ethylene carbonate, 2-methyltetrahydrofuran, and at least one ester-based nonaqueous solvent selected from the group consisting of butylene carbonate, dimethyl carbonate, gamma -butyrolactone, and sulfolane. |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA BATTERY CO., LTD. |
发明人 |
TAKAMI, NORIO, C/O INTELLECTUAL PROPERTY DIV.;OHSAKI, TAKAHISA, C/O INTELLECTUAL PROPERTY DIV.;INADA, KUNIAKI, C/O INTELLECTUAL PROPERTY DIV.;KURISU, NORIHITO, C/O INTELLECTUAL PROPERTY DIV.;YAMADA, SHUJI, C/O INTELLECTUAL PROPERTY DIV.;TAKABAYASHI, JUNICHI, C/O INTELLEC. PROPERTY DIV. |