Friday 12 September 2025
Researchers have made a significant breakthrough in the development of piezoelectric power converters, which could revolutionize the way we generate and store energy. The team has created a novel type of resonator that is capable of converting electrical energy into mechanical energy at an unprecedented level of efficiency.
The key to this achievement lies in the use of periodically poled piezoelectric film (P3F) structures. These structures, composed of alternating layers of crystal orientations, have been shown to enhance the figure of merit (FoM) of the material, allowing for a significant increase in power handling capability and frequency.
The P3F resonator is designed to operate at a frequency of 19.23 MHz, making it an ideal candidate for use in high-power applications such as power transmission lines, medical devices, and aerospace systems. The device’s ability to efficiently convert electrical energy into mechanical energy makes it an attractive alternative to traditional magnetic-based inductors.
One of the primary challenges facing piezoelectric power converters is their limited power handling capability. This limitation is due to the material’s tendency to degrade under high-power conditions, leading to a reduction in efficiency and lifespan. The P3F resonator addresses this issue by incorporating multiple layers of crystal orientations, which helps to mitigate the effects of high-power operation.
The use of P3F structures also enables the creation of devices with improved thermal resilience. Traditional piezoelectric materials often suffer from reduced performance under high-temperature conditions, making them unsuitable for use in applications where heat is generated or present. The P3F resonator, however, has been shown to maintain its efficiency even at temperatures exceeding 550°C.
The implications of this breakthrough are far-reaching, with potential applications spanning a wide range of industries. In power transmission lines, the P3F resonator could enable more efficient energy transfer and reduced energy losses. In medical devices, it could lead to smaller, more portable equipment that is better suited for use in the field. And in aerospace systems, it could provide a reliable and efficient means of converting electrical energy into mechanical energy.
While there is still much work to be done before these devices can be widely adopted, the potential benefits are clear. The development of P3F resonators represents a significant step forward in the pursuit of more efficient and sustainable energy solutions.
Cite this article: “Revolutionary Piezoelectric Power Converters: A Breakthrough in Energy Generation and Storage”, The Science Archive, 2025.
Piezoelectric, Power Converters, Resonators, Efficiency, Frequency, Power Handling, Magnetic- Based Inductors, Thermal Resilience, High-Temperature, Energy Transfer.
