它们经历温度变化时会像电池一样工作：给它们接上电极，它们就会产生电流。
These act like batteries when they undergo a temperature change: attach electrodes to them and they generate a current.
一旦加热到工作温度，电池自身产生足够的热量使液体熔化。
Once heated up to its operating temperature, the battery generates enough heat on its own to keep the liquids molten.
所以，为了维持电池的寿命和性能，必须保证使电池在适当的温度范围之内工作，从而使电池的工作性能保持在最佳状态。
Therefore, in order to maintain battery life and performance, it is crucial to keep the batteries within the temperature range where their operating characteristics are optimal.
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