摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery pack which has a large amount of cells mounted per unit volume and can mount with a high density, and to provide a secondary battery device equipped with the same. <P>SOLUTION: The battery pack of a secondary battery device has cell units C arranged as a plurality of units in which a plurality of unit cells 12 of the secondary battery having respectively a body of a nearly rectangular parallelepiped shape and both poles 32a, 32b extracted from one end of the body are arranged so that, when a virtual line passing through both poles of each unit cell is drawn, the virtual lines of neighboring unit cells may be parallel to each other and one end of the both poles extracted are arranged facing the same direction. Then, each of the prescribed poles of the prescribed cell units and each of the opposite poles to the prescribed poles of the other cell unit arranged in parallel with the prescribed cell unit are connected in a row with a bus bar 78. <P>COPYRIGHT: (C)2011,JPO&INPIT |