Large-diameter button cell
The utility model discloses a large-diameter button cell which comprises a negative electrode cover, a positive electrode shell, a sealing ring, a positive electrode, a diaphragm, a negative electrodeand electrolyte, the sealing ring is connected with the negative electrode cover and the positive el...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a large-diameter button cell which comprises a negative electrode cover, a positive electrode shell, a sealing ring, a positive electrode, a diaphragm, a negative electrodeand electrolyte, the sealing ring is connected with the negative electrode cover and the positive electrode shell in a sealing manner, the negative electrode cover and the positive electrode shell form a sealing cavity, and the positive electrode, the diaphragm, the negative electrode and the electrolyte are arranged in the sealing cavity; the button cell further comprises a collector ring whichis concentric with the positive electrode and arranged between the positive electrode and the positive electrode shell, the collector ring is arranged on the positive electrode, the positive electrodeis arranged on the inner side of the positive electrode shell, a boss is arranged in the center of the collector ring, and when the button cell is sealed and formed, the positive electrode shell inwards abuts against the surfa |
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