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Protective device for protecting individual battery cells in a batterypack from damages and hazards caused by reverse polarity during discharge cycles
Protective device for protecting individual battery cells in a batterypack from damages and hazards caused by reverse polarity during discharge cycles
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机译:用于保护电池组中单个电池单元免受放电循环中反极性引起的损坏和危害的保护装置
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摘要
A rechargeable battery pack which includes several battery cells. Each cell has a positive electrode and a negative electrode connected in series. Each of the battery cells further includes a reverse polarity protection device. The protection device includes a low voltage switch connected between the positive electrode and the negative electrode of the battery cell. The low voltage switch is switched on to become a short circuit when a voltage difference between the positive electrode and the negative electrode for each of the battery cells is lower than a threshold switch-on voltage such that the each of the battery cells is bypassed and protected by conducting a current through the short circuit in the low voltage switch.
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