| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery capable of exhibiting a long service life, a battery pack including the battery, and a storage battery device including the battery pack.SOLUTION: The nonaqueous electrolyte battery of an embodiment includes an electrode group, an electrode lead electrically connected to the electrode group, and a case. The case includes a main part, a sealing part formed at an end, and a lead holding part positioned between the main part and the sealing part and composed of a first region and a second region holding an electrode lead therebetween. The main part of the case houses the electrode group. The first region or the second region of the lead holding part is provided with an opening. At least a part of the electrode lead is exposed through the opening. |
