Comparison of vibration energy harvesting devices
Battery replacement in portable electronics is laborious, so the search is on for more efficient power sources. Among the different energy sources under research, vibration sources seem to be the most suitable for small-scale power generation for low-power electronics. Harvesting energy by converting waste vibration energy into electrical energy is useful in replacing the finite-lifespan batteries used in monitoring sensors and wireless electronic devices.
The accompanying infographic, Piezoelectric, Electrostatic and Electromagnetic Devices — A Comparison, from Margie Bezerko, President of SensComp, a world leader in ultrasonic sensors, offers a brief look at the advantages and disadvantages of these types of vibration energy converters. It also provides lists of some everyday applications associated with each type of device.
Compared with traditional energy storage devices, these vibration energy harvesting devices are environmentally friendly, sustainable and maintenance-free. Keep reading to learn more about these efficient power devices.
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