Energy storage s outstanding performance

Does high entropy affect energy storage performance?

As a result, a giant Wrec ~10.06 J cm −3 and an ultrahigh η ~90.8% are simultaneously achieved in the KNN-H ceramic, showing a significant promotional effect of the high-entropy strategy on the energy storage performance (236% for Eb, 1729% for Wrec, 68% for η, Supplementary Fig. 6c).

How to achieve a good energy storage density?

According to the above definition, the key to achieve excellent energy storage density is to increase Pmax while reducing Pr (i.e., obtaining high ΔP = Pmax - Pr) and enhancing Eb, the breakdown strength, which is closely associated with the maximum applied electric field the ceramics can withstand.

Can high-entropy strategy improve energy storage performance in tetragonal tungsten bronze-structured dielectric ceramics?

However, the development of dielectric ceramics with both high energy density and efficiency at high temperatures poses a significant challenge. In this study, we employ high-entropy strategy and band gap engineering to enhance the energy storage performance in tetragonal tungsten bronze-structured dielectric ceramics.

Which lead-free ceramic systems have the best energy storage properties?

Further breakthroughs in energy storage properties were also achieved in other representative lead-free ceramic systems, such as the excellent Wrec values of 7.4, 8.2, and 12.2 J cm −3 in (K,Na)NbO 3 (KNN), BiFeO 3 (BF), and NaNbO 3 (NN)-based systems, respectively 7, 8, 9.

Can 'local polymorphic distortion' improve energy storage performance?

In this work, an effective high-entropy strategy is proposed to design “local polymorphic distortion” to enhance the comprehensive energy storage performance to break the status quo, which has usually been used for alloys 22, 23, oxides 24, 25, and metal carbides 26 to improve mechanical properties.

Does the energy storage performance of bscnt0.30 exhibit high-temperature stability?

The change rates were less than 5% and 3%, respectively. This outcome illustrates that, owing to the high-entropy effect, the energy storage performance of BSCNT0.30 exhibits excellent temperature stability. To delve deeper into the reason behind the high-temperature stability of BSCNT0.30, its structural changes with temperature were tested.