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Secondary battery having an electrode with a self-cutting part that is disconnected when an overcurrent is applied
Secondary battery having an electrode with a self-cutting part that is disconnected when an overcurrent is applied
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机译:具有带有自切割部分的电极的二次电池,该自切割部分在施加过电流时断开
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摘要
Disclosed herein is a plate-shaped secondary battery used as a unit cell for middle- or large-sized battery pack, the secondary battery having an electrode assembly, which can be charged and discharged, mounted in a sheet-shaped battery case including a metal layer and a resin layer in a sealed state, the electrode assembly having electrode terminals protruding outside a sealing part of the battery case, wherein at least one of the electrode terminals is provided at a position spaced a predetermined distance from the sealing part with a self cutting part having a vertical sectional area less than that of the remaining part of the at least one electrode terminal such that the self cutting part can break first when overcurrent flows in the secondary battery.
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