| 摘要 |
A charging system includes a first thermoelectric module (TEM) connectable to a power source, and a second TEM connectable to a rechargeable battery. The first TEM is configured as a Peltier device to receive power from the power source and provide a temperature gradient between two surfaces of the second TEM. The second TEM is configured as a Seebeck device to charge the rechargeable battery in response to the temperature gradient. A controller is configured to reverse polarity of the power source in response to passage of a predetermined period of time or in response to detection that the temperature gradient is below a predetermined threshold.
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