| 摘要 |
<p>A sound wave energy storage device(100) comprises a passive sonar device (12) for receiving ambient sound wave(11); an energy converter(13) connected to the passive sonar device for converting energy; and an energy storage unit(14) for storing energy output by the energy converter. The device is environment-friendly, and can build a quiet environment and store energy that can be utilized by a user as required.</p> |
