| 摘要 |
A battery case (20) is provided with: a first gas discharge section (31) that opens when inner pressure of a battery (10) reaches a predetermined pressure (P1); and a second gas discharge section (32), which contains a low heat resistant member (36) that is a member having heat resistance lower than that of a member constituting the first gas discharge section (31), and which does not open when merely the inner pressure reaches the predetermined pressure (P1) but opens when a temperature of the battery (10) reaches a predetermined temperature (T1). |
