Injector Entrance Structure For Injecting Electrolyte Into Cylindrical Secondary Battery

Abstract: The present invention relates to an injector entrance structure for injecting an electrolyte into a cylindrical secondary battery, and an electrolyte injection method using same. The injector entrance structure for injecting an electrolyte into a battery cell, comprises: an outer ring in the shape of a closed loop that defines an inner area; a momentum reducing part that is spaced apart from the outer ring so as to collide with the electrolyte injected into the central portion of the inner region out of the electrolyte injected through the inner region, and is disposed in the central portion of the inner region; and one or two or more connecting members extending from the outer ring toward the central portion of the outer ring and connected to the momentum reducing part.

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