Battery cell, battery applying battery cell and electronic device
A cell and battery technology, applied in non-aqueous electrolyte battery electrodes, secondary batteries, battery pack components, etc., can solve the problems of occupying the volume of the cell and reducing the energy density of the cell, and achieve the effect of improving the energy density
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no. 1 example
[0060] Such as figure 1 and figure 2 As shown, the first embodiment of the present application provides a battery cell 10 . The cell 10 includes a first pole piece 11, a second pole piece 12 and a separator 13, the first pole piece 11 and the second pole piece 12 are stacked at intervals, and the separator 13 is arranged on the first pole piece 11 and the second pole piece Between 12. In one embodiment, the first pole piece 11 and the second pole piece 12 can be arranged in a laminated manner. In this embodiment, the first pole piece 11 and the second pole piece 12 are coiled, and the electric core 10 also includes a rolling needle 14, the first pole piece 11, the separator 13 and the second pole piece 12 are arranged at intervals in sequence and Wrapped around the needle 14.
[0061]The first pole piece 11 includes a first current collector 110 and a first active layer 119 , and the first active layer 119 is disposed on the surface of the first current collector 110 . T...
no. 2 example
[0073] Such as image 3 and Figure 4 As shown, the second embodiment of the present application provides a battery cell 20 . The cell 20 includes a first pole piece 21, a second pole piece 22 and an isolation film 23, the first pole piece 21 and the second pole piece 22 are stacked at intervals, and the isolation film 23 is arranged on the first pole piece 21 and the second pole piece Between 22. In one embodiment, the first pole piece 21 and the second pole piece 22 can be arranged in a laminated manner. In this embodiment, the first pole piece 21 and the second pole piece 22 are coiled and arranged, and the electric core 20 also includes a coil needle 24, the first pole piece 21, the separator 23 and the second pole piece 22 are sequentially arranged at intervals and It is arranged to be wound around a winding needle 24 .
[0074] The first pole piece 21 includes a first current collector 210 and a first active layer 219 , and the first active layer 219 is disposed on t...
no. 3 example
[0086] Such as Figure 5 Shown is a schematic plan view of the battery 1 provided in the third embodiment of the present application. The battery 1 includes an electric cell 30, and the electric cell 30 may be the electric cell described in any one of the first embodiment or the second embodiment.
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Abstract
Description
Claims
Application Information
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