Battery pack
The utility model provides a battery pack. The battery pack is formed by alternately overlapping a plurality of flat cuboid-shaped battery cells and a plurality of partition plates in the thickness direction of the battery cells, and arranging end plates at the two ends in the overlapping direction....
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a battery pack. The battery pack is formed by alternately overlapping a plurality of flat cuboid-shaped battery cells and a plurality of partition plates in the thickness direction of the battery cells, and arranging end plates at the two ends in the overlapping direction. A battery cell is provided with a battery cell case having a flat rectangular parallelepiped shape, and an electrode winding body which is housed in the battery cell case together with an electrolyte solution, and is characterized in that: at least one of two wall plates of the battery cell case, said two wall plates facing a partition plate or an end plate; a plurality of groove-shaped concave parts which extend in the transverse direction of the wall plate, are arranged at specified intervals in the longitudinal direction of the wall plate and sink into the interior of the battery cell box are formed. Based on the battery pack provided by the utility model, good assembling performance and good cooling performanc |
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