A Clivia-like piezoelectric wind energy harvester using an overlapping multi-sheet structure DOI
Zhonghua Zhang,

Lingqi Luo,

Mengsong Zhu

et al.

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(16)

Published: April 21, 2025

In this Letter, a Clivia-like piezoelectric wind energy harvester (CL-PWEH) using an overlapping multi-sheet structure is presented to enhance the robustness of wind-induced vibration harvesters at unpredictable scenarios. The CL-PWEH was characterized by vibrators independent main beam, Clivia-leaf-style vibrators, and rigid-flexible contact plucking. feasibility proposed demonstrated through theoretical analysis, fabrication, speed responses experiments. results showed that length thickness flexible sheets had strong influence on mode, output voltage, effective bandwidth, cut-in speed. voltage enhanced with rising ratio, bandwidth decreased increase in ratio. addition, maximum power 5.82 mW achieved for α = 1.3, β 4.5 optimum load resistance 300 kΩ. Meanwhile, application as supply illustrated prototype could light up 200 blue LEDs series.

Language: Английский

Improving piezoelectric wind energy harvesting performance with snowflake-shaped bluff bodies DOI
Haitao Li, Tianyu Zheng,

He Ren

et al.

International Journal of Mechanical Sciences, Journal Year: 2025, Volume and Issue: unknown, P. 110244 - 110244

Published: April 1, 2025

Language: Английский

Citations

0
A low-frequency unidirectional-strain-mode bistable piezoelectric vibration energy harvester via prestressing curved vibrators DOI
Chenyang He, Shijie Lin, Mingxuan Liu

et al.

Mechanical Systems and Signal Processing, Journal Year: 2025, Volume and Issue: 232, P. 112692 - 112692

Published: April 12, 2025

Language: Английский

Citations

0
A Clivia-like piezoelectric wind energy harvester using an overlapping multi-sheet structure DOI
Zhonghua Zhang,

Lingqi Luo,

Mengsong Zhu

et al.

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(16)

Published: April 21, 2025

In this Letter, a Clivia-like piezoelectric wind energy harvester (CL-PWEH) using an overlapping multi-sheet structure is presented to enhance the robustness of wind-induced vibration harvesters at unpredictable scenarios. The CL-PWEH was characterized by vibrators independent main beam, Clivia-leaf-style vibrators, and rigid-flexible contact plucking. feasibility proposed demonstrated through theoretical analysis, fabrication, speed responses experiments. results showed that length thickness flexible sheets had strong influence on mode, output voltage, effective bandwidth, cut-in speed. voltage enhanced with rising ratio, bandwidth decreased increase in ratio. addition, maximum power 5.82 mW achieved for α = 1.3, β 4.5 optimum load resistance 300 kΩ. Meanwhile, application as supply illustrated prototype could light up 200 blue LEDs series.

Language: Английский

Citations

0