Connection structure of flexible-package lithium ion battery module
A lithium-ion battery and module connection technology, applied to structural parts, battery pack parts, circuits, etc., to achieve the effects of ensuring welding quality, simplifying assembly process, and simple positioning structure
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[0018] Such as Figure 1 to Figure 3 As shown, an embodiment of a soft-pack lithium-ion battery module connection structure includes a plurality of battery cells 1 arranged in parallel and a bus bar 3 located above the battery cells and electrically connected to the tabs of the battery cells. A plurality of battery cells are arranged in sequence along the left and right directions, and the bus bar 3 also extends along the left and right directions. The connection structure of the soft-pack lithium-ion battery module also includes an insulating grid plate 2 arranged under the bus bar 3 and fixedly assembled with the battery cells. The insulating grid 2 is provided with a tab hole 202 corresponding to the tab 4 of the cell 1 for the tab to pass through. The top of the tab hole 202 has a bend that is close to the insulation grid. The bent portion on the upper side of the plate 2 , the bus bar 3 has a lower side that is crimped on the bent portion of the tab 4 and welded and fixed...
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