“…Compared to the ferroelectric (FE) materials and linear dielectric materials [1,2], anti-ferroelectric (AFE) materials possess higher energy density (W), and they are more suitable for storage capacitors [3][4][5][6]. As reported, the W value of AFE ceramics ranges from 0.4 to 2.57 J/cm 3 [7][8][9], most of them are included Pb, such as PZST, PLZT, PLZ.…”