Pole piece, battery cell, battery, battery module and vehicle
The utility model relates to the technical field of batteries, particularly provides a pole piece, a battery cell, a battery, a battery module and a vehicle, and aims to solve the problem that a diaphragm is scalded when a current collector and a tab are welded. In order to achieve the purpose, the...
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Format: | Patent |
Sprache: | chi ; eng |
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