| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems of a conventional wound battery that it is difficult to suppress temperature rise in a battery, that it does not function as a battery when the temperature of an electrode rises, and that the battery size increases if a pipe, or the like, for feeding refrigerant is provided in the battery.SOLUTION: A battery having excellent cycle life is obtained by stacking a positive electrode and a negative electrode in the axial direction of a cylindrical exterior body, interposing a metal foil between one electrode of the positive electrode or a negative electrode and a current collector, thereby suppressing temperature rise in a battery. |
