Enhanced Energy Conversion Performance of a Magneto–Mechano–Electric Generator Using a Laminate Composite Made of Piezoelectric Polymer and Metallic Glass,Advanced Electronic Materials

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Enhanced Energy Conversion Performance of a Magneto–Mechano–Electric Generator Using a Laminate Composite Made of Piezoelectric Polymer and Metallic Glass
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2020-11-30 , DOI: 10.1002/aelm.202000969
Dong Yeol Hyeon ₁ , Chaeyoung Nam ₁ , Seong Su Ham ₁ , Geon‐Tae Hwang ₂ , Seonghoon Yi ₁ , Kyung Tae Kim ₃ , Kwi‐Il Park ₁

Affiliation

Magneto–mechano–electric (MME) generators, which convert ubiquitous stray magnetic field into electricity, have attracted significant attention as a permanent power source for innumerable sensors. In this study, a MME generator based on magnetostrictive metallic substrate and piezoelectric polymer is reported. After the metallic glass sheets are stacked using adhesives, ferroelectric poly(vinylidene fluoride‐co‐trifluoroethylene) is spin‐casted onto Metglas lamination. The fabricated MME generator harvests an output peak voltage of ≈12.5 V under the applied alternating current magnetic field of 7 Oe at 38.2 Hz. A high magnetoelectric voltage coefficient of 910.14 V cm⁻¹ Oe⁻¹ obtained from the energy device is higher than those reported earlier in inorganic and polymeric piezoelectric components‐based MME generators. Moreover, finite element analysis using the multiphysics simulation is carried out to theoretically investigate the magnetoelectric energy harvesting of the fabricated MME generator. This research results achieve low cost, mechanical stability, eco‐friendliness, and high performance for MME generators, which is anticipated to provide a future direction for magnetoelectric energy harvesting.

中文翻译：

使用由压电聚合物和金属玻璃制成的层压复合材料，提高了磁-机电-发电机的能量转换性能

将无处不在的杂散磁场转换为电能的磁-机电-（MME）发电机作为无数传感器的永久电源已引起了广泛的关注。在这项研究中，报道了一种基于磁致伸缩金属基底和压电聚合物的MME发生器。使用粘合剂将金属玻璃板堆叠在一起后，将铁电聚偏二氟乙烯-共聚三氟乙烯旋铸到Metglas层压板上。所制造的MME发电机在38.2 Hz的7 Oe交流磁场下收集了约12.5 V的输出峰值电压。910.14 V cm ^-1 Oe ^-1的高磁电电压系数从能量装置获得的能量要高于先前报道的基于无机和聚合物压电元件的MME发生器的能量。此外，使用多物理场模拟进行了有限元分析，以理论上研究所制造的MME发电机的磁电能量收集。这项研究结果实现了MME发电机的低成本，机械稳定性，生态友好性和高性能，这有望为磁电能量收集提供未来的方向。

更新日期：2021-01-14

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