Jan 2, 2025 · A large energy density of 20.0 J·cm−3 along with a high efficiency of 86.5%, and remarkable high-temperature stability, are achieved in lead-free multilayer ceramic capacitors.
Oct 15, 2023 · By adjusting the NBN content to retain the long-range ferroelectric domains and applying the hot-pressing (HP) method to modulate grain size, the coupling of multi-scale
Jan 11, 2023 · It is widely accepted that normal ferroelectrics with macrodomains exhibit poor energy storage properties ascribed to the large polarization hysteresis along with irreversible
Mar 10, 2023 · Evolution of energy storage performance and domain structure with increasing configuration entropy is systematically revealed for the first time. The achievement of excellent
Jan 30, 2024 · Energy storage, as an important flexibility and regulation resource, will play a crucial role in promoting large-scale integration of renewable energy into power generation,
Mar 1, 2025 · Despite these advantages, achieving large energy storage density (Wrec), high efficiency (η), and reliable temperature stability simultaneously remains a significant challenge,
Jul 7, 2025 · Authors reveal microstructural origin of enhanced dielectric energy storage and develop a framework directly relating local inhomogeneity to dielectric properties. The results
Aug 28, 2015 · With the continued development and proliferation of renewable energy systems worldwide, particularly wind and photovoltaic (PV) generation, computer simulation models for
Oct 5, 2024 · The authors enhance energy storage performance in tetragonal tungsten bronze structure ferroelectrics using a multiscale regulation strategy. By adjusting the composition and
Therefore, from a performance perspective, the induction of nanoscale domains is the key to rapid discharge and stability improvement. The hierarchical construction of multi-scale domains and the improvement of breakdown strength are guarantees for high energy storage performance. Fig. 6.
To restrict the rise of temperature below 50 °C in MLCCs with an energy density beyond 20 J cm −3, the energy efficiency must be greater than 95%. Thus, near-zero energy loss becomes the precondition for MLCCs to enjoy high energy storage density.
The 55-20-25 ceramics exhibit the optimal energy storage capacity, with a Wrec of 5.4 J·cm −3 and a high η of 93.1%, owing to the reduction of the domain-switching barrier (resulting from the design of the local polymorphic polarization configuration) and the increase in Eb (induced by the decrease in the AGS).
An effective strategy for energy storage performance global optimization is put up here by constructing local polymorphic polarization configuration integrated with prototype device manufacturing.
Energy storage materials such as capacitors are made from materials with attractive dielectric properties, mainly the ability to store, charge, and discharge electricity.
And miniaturized domains can be found in the multiphase coexistence region, which may be attributed to the stress mismatch between different phases . Owing to the MPB can efficaciously reduce the leakage current and thereby optimize the energy storage performances.
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