| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery, a battery pack, a battery module, an electronic device, an electric motor vehicle, a power storage device and an electric power system which enables the enhancement in high-temperature cycle characteristic and low-temperature characteristic, and the suppression of gas generation at a high temperature.SOLUTION: A battery comprises: a positive electrode; a negative electrode including a negative electrode active material; and an electrolyte including an electrolytic solution containing a nonaqueous solvent, an electrolytic salt and an additive agent. The negative electrode active material includes a titanium-containing inorganic oxide including, as constituent elements, at least titanium and oxygen. The nonaqueous solvent contains a cyclic carboxylic acid ester compound. The electrolytic salt includes at least a fluorine-containing lithium salt including fluorine. The additive agent contains at least one compound of a silane coupling agent and a siloxane compound. |
