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A Tunable Triboelectric Wideband Energy Harvester, Daniel S. Nelson, Alwathiqbellah Ibrahim, Shahrzad Towfighian
A Tunable Triboelectric Wideband Energy Harvester, Daniel S. Nelson, Alwathiqbellah Ibrahim, Shahrzad Towfighian
Systems Science and Industrial Engineering Faculty Scholarship
The ability to efficiently convert mechanical energy into electrical energy has become an important topic of discussion and research in the last decade. Triboelectric generators have recently been popular for vibration energy harvesting, but despite plenty of research on its material aspect, research on combining mechanical characteristics and voltage generation output has been sparse. Many energy harvesters suffer from low operating bandwidths and are usually restricted to operating at a specific frequency. We propose a tunable triboelectric energy harvester that has a large response over a wide frequency bandwidth at low frequencies. The tunability is implemented by axially pre-loading a …