BATTERY PACK, SINGLE CELL, AND CAP

摘要

PROBLEM TO BE SOLVED: To provide a structure for enhancing degree of freedom in arrangement of single cells in a battery pack.SOLUTION: A single cell 2 constituting a battery pack 1 includes external terminals 7A and 7B. An upper cap 21 surrounding the external terminals 7A and 7B is attached to an upper end side of the single cell 2, and a lower cap 22 is attached to a lower end side. The single cell 2 is sandwiched and held between an upper holding part 23 and a lower holding part 24 via the upper cap 21 and the lower cap 22. The upper cap 21 includes a plurality of bus bar openings 29A to 29C for inserting bus bars 8 extending from the external terminals 7A and 7B, so as to penetrate in a thickness direction. The external terminals 7A and 7B are arranged on extension in an opening direction of the bus bar openings 29A to 29C.SELECTED DRAWING: Figure 2