Secondary battery
The utility model discloses a secondary battery which comprises a naked battery cell, a top cover and a shell, the top cover and the shell are used for loading the naked battery cell, the top cover is provided with a positive electrode adapter plate and a negative electrode adapter plate which are c...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a secondary battery which comprises a naked battery cell, a top cover and a shell, the top cover and the shell are used for loading the naked battery cell, the top cover is provided with a positive electrode adapter plate and a negative electrode adapter plate which are connected with the naked battery cell, and the top cover is further provided with a positive pole connected with the positive electrode adapter plate and a negative pole connected with the negative electrode adapter plate. One end, facing the naked battery cell, of the positive pole is provided with an inward sinking positive pole washing area, and/or one end, facing the naked battery cell, of the negative pole is provided with an inward sinking negative pole washing area. According to the secondary battery, the inward-sinking empty washing area is arranged at the end part of the positive pole or the negative pole, so that the use requirements of over-current of a power battery, welding operation space and the like |
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