电池放电时，正极释放出的锂离子快速运动回到负极，充电过程中在负极由锂离子携带的电子被释放出来，从而为外部电路提供电力。
As they do so, the electrons that were paired with them in the anode during the charging process are released. These electrons power an external circuit.
相信我一组电池给电动机供电，另一组给电路供电。
在锂电池充电时，锂离子从正极向负极移动，而在锂电池放电时，锂离子从负极向正极回流，为连接在锂电池的外接电路提供电流。
When the thing is discharged, the ions flow back and in the process cause a current to flow in an external circuit attached to the battery.
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