POUCH TYPE LITHIUM SECONDARY BATTERY HAVING TUBULAR PASSAGE STRUCTURE

摘要

PROBLEM TO BE SOLVED: To disclose a pouch type lithium secondary battery having a tubular passage structure.SOLUTION: According to an aspect of the present invention, a pouch type lithium secondary battery having a tubular passage structure can be provided, the pouch type lithium secondary battery including a tubular passage structure that provides a passage of injecting an electrolyte from an outer portion of a pouch or discharging gas from an inner portion of the pouch by communicating the inner portion of the pouch with the outer portion of the pouch.SELECTED DRAWING: Figure 2