Fig. 4: Microstructures and energy storage performance of high-entropy 1210-type MLCCs.

a Optical photo of high-entropy MLCCs. b SEM image of high-entropy MLCCs. TEM images for (c1) low resolution and (c2) high resolution, (d1-d2) SAED pattern acquired from the electrode area marked in (c2). e Wrec and η of the MLCCs under different electric fields. The inset is the corresponding P-E loops. f Comparison of energy storage performance in this work with other recently reported MLCCs. g Thermal stability of Wrec and η as temperature increases. h Anti-fatigue stability of Wrec and η as cycling number increases. i Time-dependent discharge energy density under various electric fields for high-entropy MLCCs.