| 摘要 |
According to one embodiment, a battery includes an electrode group (2), at least one positive electrode current collector tab (10a), at least one negative electrode current collector tab (11a), and a case (1). The case (1) includes a case portion (5, 6) and an edge portion (5a, 6a). The edge portion (5a, 6a) includes a heat sealed part configured to seal the case portion (5, 6) and a non-sealed part. The electrode group (2) is housed in the case portion (5, 6) while an end portion of at least one of the positive electrode current collector tab (10a) and the negative electrode current collector tab (11a) is provided in the non-sealed part. |
