SEPARATOR ROLL, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
A separator roll, an electrode assembly, a battery cell, a battery, and an electric device are provided. The separator roll includes a separator body and a warning coating. The separator body has a head end and a tail end in a length direction and is constructed to be capable of winding in the lengt...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A separator roll, an electrode assembly, a battery cell, a battery, and an electric device are provided. The separator roll includes a separator body and a warning coating. The separator body has a head end and a tail end in a length direction and is constructed to be capable of winding in the length direction to form the separator roll with the tail end as a roll core. The warning coating is provided on the separator body. The warning coating is configured to be spaced from the tail end by a first preset length. In this way, the warning coating provides a warning in advance for the position of the tail end of the separator body on which the warning coating is located. |
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