Battery pack

摘要

A battery pack including a bare cell including an electrode assembly, and a battery case including a body portion accommodating the electrode assembly, and a sealing portion extending from the body portion; and a bonding member bonding the sealing portion to the body portion, the bonding member having a slit formed therein.

主权项

1. A battery pack comprising:
a bare cell comprising:
an electrode assembly; anda battery case comprising a body portion accommodating the electrode assembly, and a sealing portion extending from the body portion; a bonding member bonding the sealing portion to the body portion, the bonding member comprising a tape and having a slit formed therein; and a temperature member electrically connected to the bare cell, the temperature member being arranged on the sealing portion and comprising a lead portion on the bonding member, wherein the sealing portion comprises:
a first sealing portion extending from a first side surface of the body portion; anda second sealing portion extending from a second side surface of the body portion adjacent the first side surface,wherein the second sealing portion is folded with respect to the first sealing portion, wherein the bonding member comprises a first bonding member portion at a first side of the slit, and a second bonding member portion at a second side of the slit opposite the first side of the slit, and wherein the second bonding member portion is folded in a different direction than the first bonding member portion, wherein the battery case comprises a first sub-case including an accommodating portion and a first edge portion, and a second sub-case including a second edge portion joined to the first edge portion to form the sealing portion, the accommodating portion being extended from the first edge portion in a direction away from the second sub-case, and wherein a portion of the bonding member is arranged on an outer surface of the accommodating portion at a region spaced apart from the sealing portion.