| 摘要 |
PURPOSE: To eliminate the decrease in discharge capacity at a low temperature and after continuous charging at a high temperature. CONSTITUTION: This nonaqueous solvent secondary battery has a positive electrode, a negative electrode consisting of a carbonaceous material capable of storing and releasing lithium ion and an nonaqueous electrolyte. The nonaqueous electrolyte contains a mixed solvent consisting of ethylmethyl carbonate, diethyl carbonate, dimethyl carbonate and ethylene carbonate. |
