| 摘要 |
A recyclable battery includes a metal tube, a contact bar having a head formed on a distal end of the contact bar and extending out of the metal tube and a pole extending out of the head, a plug to block the first opening and having a channel defined through the plug to correspond to and allow the pole to extend therethrough with the head remaining on top of the plug, a sponge to sandwich active carbon with the plug and a cap securely received in the metal tube to block the second opening and having a hole defined through the cap to communicate with an interior of the metal tube and ambient air. Water is able to flow into the metal tube for absorption by the sponge such that the active carbon in close contact with the sponge is able to be reactivated by the water.
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