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Busbar-free battery module, busbar-free battery module assembling method and battery pack

A battery module and assembly method technology, which is applied to battery pack components, circuits, electrical components, etc., can solve the problems of low assembly efficiency, large number of parts, and complex assembly, so as to improve installation efficiency and assembly efficiency , reduce the overall weight, and reduce the number of assembly parts

Pending Publication Date: 2020-08-14
ENVISION DYNAMICS TECH (JIANGSU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is complicated to assemble, the number of parts is large, the efficiency of assembly into groups is low, and the cost is high

Method used

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  • Busbar-free battery module, busbar-free battery module assembling method and battery pack
  • Busbar-free battery module, busbar-free battery module assembling method and battery pack
  • Busbar-free battery module, busbar-free battery module assembling method and battery pack

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no. 1 example

[0053] figure 1 For a structural schematic diagram of the bus-less battery module 100 provided in the first embodiment of the present invention, please refer to figure 1 .

[0054] An embodiment of the present invention provides a bus-barless battery module 100 , including a plurality of battery cells 10 , and each battery cell 10 is provided with a connecting tab 40 . Each connecting tab 40 includes a first segment 20 and a second segment 30, the first segment 20 is connected to the battery 10, and the first segment 20 is bent at a first preset angle relative to the battery 10; the second The segment 30 is connected to an end of the first segment 20 away from the battery cell 10 , and the second segment 30 is bent at a second predetermined angle relative to the first segment 20 . The plurality of second segments 30 all extend along the same direction, and the plurality of second segments 30 are welded. The connecting tabs 40 of each battery cell 10 are directly overlapped....

no. 2 example

[0070] Figure 4 For the schematic diagram of the steps of the assembly method of the bus-less battery module 100 provided in the second embodiment of the present invention, please refer to Figure 4 .

[0071] The second embodiment of the present invention provides a bus-barless battery module 100 assembly method, the assembly method mainly includes the following steps:

[0072] S10: Bending and connecting the tab 40 . Each cell 10 is provided with a connecting tab 40 , and one end of each connecting tab 40 close to the cell 10 is bent along a first preset angle to form a first segment 20 ; the first segment 20 is far away from the cell 10 One end of one end is bent along a second predetermined angle to form a second segment 30; and a plurality of second segments 30 all extend along the same direction.

[0073] In this embodiment, the plurality of electric cores 10 includes four electric cores 10, the connecting tabs 40 of the first electric core 11 and the second electric...

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Abstract

The invention provides a busbar-free battery module, a busbar-free battery module assembling method and a battery pack, and relates to the technical field of batteries. The busbar-free battery modulecomprises a plurality of battery cells, and each battery cell is provided with a connecting tab, each connecting tab comprises a first segment and a second segment, and the first segments are connected with the battery cells and are bent by a first preset angle relative to the battery cells; the second segments are connected to ends, far away from the battery cell, of the first segments and are bent by a second preset angle relative to the first segments. The second sections extend in the same direction, and the second sections are welded. According to the busbar-free battery module, a busbaris not needed, a plurality of connecting tabs are directly welded, the structure is simple, and the weight of the battery module is favorably reduced.

Description

technical field [0001] The invention relates to the field of battery technology, in particular to a battery module without a bus bar, a method for assembling the battery module without a bus bar, and a battery pack. Background technique [0002] In the battery modules of the prior art, the tabs of the battery cells are mostly collected on the bus bar or other connectors, and then the tabs are connected to the bus bar or other connectors to realize the assembly of the battery module. This method is complicated to assemble, the number of components is large, the efficiency of assembly into groups is low, and the cost is high. Contents of the invention [0003] The purpose of the present invention includes, for example, to provide a battery module without busbars, which saves the busbars, has fewer assembly parts, and is easier to assemble, which is conducive to improving assembly efficiency and reducing the overall cost of the battery module without busbars. weight. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/26H01M2/20
CPCH01M50/502H01M50/531Y02E60/10
Inventor 宋状林玉春陶亮赵卫军
Owner ENVISION DYNAMICS TECH (JIANGSU) CO LTD
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