Energy storage density diagram of ferroelectric materials

Why is ferroelectrics a promising energy storage material?

Due to its properties of high energy density wrec, wide operating temperature range △T, quick charge-discharge ability and extended active life τ, ferroelectrics is a kind of prospective and promising energy storage material 7, 8, 9, 10, 11, 12, 13.

How can energy storage and conversion be realized in ferroelectrics?

Scientific Reports 15, Article number: 7446 (2025) Cite this article The energy storage and conversion in ferroelectrics can be realized through the microstructures of polar domains and domain walls, which resulting in the transformations from macro/microdomains to nanodomains or forming complex polar topologies.

Does a charging capacitor store energy in a ferroelectric microstructure?

Although electrical energy is known to be maintained by the charging capacitor, the energy storage effect on ferroelectric microstructure has been rarely explored for the relative paucity of experimental patterns reported with domains and domain walls.

What is a high-efficiency energy storage material?

Scientists and engineers have been working together to develop environment-friendly high-efficiency energy storage materials including relaxor ferroelectrics and anti-ferroelectrics and experimental technology 1, 2, 3, 4, 5, 6.

What determines the energy storage properties of a multilayer device?

The main finding is that there is strong evidence that the outer layers of a multilayer and more specifically their thickness, determine the breakdown field of a device and in this way determine to a large extend the energy storage properties of a multilayer device. These conclusions confirm earlier suggestions in a study on the PZT/PLZT system.

Why is number density more favorable for energy storage?

Generally because of the greater formation energies of domain walls than those of domains 32, for the transitions of micro-to-nano domains in unit volume, the maximization of number density for parallel non-end contact domain walls is more favorable for energy storage.