| 摘要 |
A battery cell according to the present invention includes a battery part which includes a first electrode part, a second electrode part, and a separator interposed between the first electrode part and the second electrode part; and a first electrode tab and a second electrode tab which are welded to the first electrode part and the second electrode part, respectively; and a case which has the first electrode tab and the second electrode tab protruding to the outside, accommodates the battery part, and has an inner surface bonded to a sealing part by spraying a sealing member. The case has a vent part recessed in a part of the outer surface of the case except a portion in which the sealing part is located. So, the penetration of moisture into the case can be prevented. |
