能量采集创新令万物皆可“来电”

上网时间: 2013年06月08日? 作者:Elizabeth Montalbano? 我来评论 【字号: ? ?小】

关键字:能量采集? 能量采集设备? 能量采集器?

Slideshow: Energy harvesters lift power from surprising sources

Elizabeth Montalbano

As energy efficiency becomes more and more a concern for makers of electronics devices, researchers are coming up with new ways to harvest energy from sound vibration, footsteps, and even electromagnetic fields in the air.

While many of these energy-harvesting devices are in the experimental phases or for a specific purpose, some of them are becoming commercially available. Energy harvesting devices from companies like Fujitsu and MicroGen have emerged that can provide power for electronics devices and batteries by harvesting energy from sources like the sun and vibrations in the environment.

Click on the photo below to check out some of the new and innovative ways researchers have come up with to harvest energy, and the sometimes surprising sources of that power.

MicroGen's energy harvester, dubbed Bolt, provides power like a battery by harvesting energy from ambient vibrations. The device converts mechanical vibration to electrical energy that can be stored using energy-harvesting boards with advanced thin-film batteries or ultra-capacitors, as well as power-management electronics. Bolt works using a piezoelectric microelectromechanical system that creates energy from vibrations in the environment. Those vibrations cause a flap on the device to move back and forth, creating a current that creates energy that's stored in a capacitor or a rechargeable battery. The harvesters can be used to power a range of electronics devices, including non-wireless electronics and wireless sensors, as well as rechargeable batteries themselves.

标签 传感器/MEMS??

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