Power battery cell structure and battery pack
A technology of power electricity and pole core, applied in the direction of secondary battery, battery circuit device, secondary battery repair/maintenance, etc., can solve problems such as hidden dangers, and achieve the effect of ensuring stability and safety and solving hidden dangers.
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[0012] In order to make the technical problems, technical solutions, and beneficial effects to be solved by the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0013] See Figure 1 to Figure 3 In the preferred embodiment of the present invention, the power cell structure includes a pole core 1, a shell accommodating the pole core 1, and a positive pole 10 and a negative pole 4 coupled to the pole core 1 and fixed on the shell. The power cell structure also includes a pressure limiting device (not shown) arranged in the shell. The pressure limiting device is sealed and fixed in the shell and is electrically connected to the positive pole 10 and the negative pole 4. The voltage limiting device is located in the cell struc...
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