Optimizing Magnet Spacing to Enhance Power and Energy Density in Magnetically Levitated Electromagnetic Vibration Energy Harvesters
Madina Alimova, Elvira Kadylbekkyzy, Nurtay Albanbay, Aigerim Issimova, Rinat Ilesibekov, Bekbolat Medetov, Seung-bok Choi · 2025
Read Optimizing Magnet Spacing to Enhance Power and Energy Density in Magnetically Levitated Electromagnetic Vibration Energy Harvesters by Madina Alimova, Elvira Kadylbekkyzy, Nurtay Albanbay, Aigerim Issimova, Rinat Ilesibekov, Bekbolat Medetov, Seung-bok Choi (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12734891.txt.
Description
Madina Alimova and co-authors tune a device that harvests energy from vibration in a paper published in 2025. Inside, a magnet floats between two fixed magnets with like poles facing it, so it bounces as the device shakes. That motion generates electric power for small sensors that cannot easily change batteries.
The team built a math model of the harvester and checked it against a real prototype, with close agreement. They then varied the shaking rate and the gap between the fixed magnets to find the best layout. A narrow sweet spot appeared at a gap of about twenty-eight millimeters, giving the highest power and energy density in their setup. The result is a practical rule for sizing compact harvesters.
Catalog record
| CREATOR | Madina Alimova, Elvira Kadylbekkyzy, Nurtay Albanbay, Aigerim Issimova, Rinat Ilesibekov, Bekbolat Medetov, Seung-bok Choi |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 50 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |