| 主权项 |
1. A battery stack comprising
a first cell, a second cell positioned adjacent the first cell in a stacked arrangement with the first cell, the first and second cells each including
a cell housing,a positive electrode, anda negative electrode,the positive electrode and the negative electrode sealed within the cell housing along with an electrolyte, and an elastic member disposed between the first cell and the second cell, the elastic member comprising
a first sheet,a second sheet layered with the first sheet,whereinthe first sheet and the second sheet are joined along a first sealed line that forms a peripheral edge of the elastic member,the first sheet and the second sheet are joined along a second sealed line that is spaced apart from the peripheral edge, the second sealed line forming a closed shape,a first interior space is defined between the first sheet, the second sheet, the first sealed line and the second sealed line,a second interior space is defined between the first sheet, the second sheet and within the second sealed line, andone of the first interior space and the second interior space is at least partially inflated, and the other of the first interior space and the second interior space is less inflated than the one of the first interior space and the second interior space. |
