Table 6. Energy Storage Properties of KNN-Based Materialsa.
| compounds | E (kV cm–1) | ΔP (μC cm–2) | Wrec (J cm–3) | η (%) | ref |
|---|---|---|---|---|---|
| (K0.48Na0.52)0.88Bi0.04NbO3 | 189 | ∼12.7 | 1.04 | (252) | |
| 0.93KNN–0.07BMN | 150 | ∼22.5 | 1.3 | 58.8 | (253) |
| 0.9KNN–0.1BF | 206 | 23.7 | 2 | 61 | (251) |
| 0.8KNN–0.2Sr(Sc0.5Nb0.5)O3–0.5%ZnO | 400 | ∼11.6 | 2.6 | 73.2 | (250) |
| K0.14Bi0.12Na0.5NbO3–1 mol % CuO | 300 | 29 | 2.89 | 80 | (254) |
| 0.85KNN-0.15 Bi(Zn0.5Zr0.5)O3 | 325 | 30 | 3.5 | 86.8 | (255) |
| 0.9KNN–0.1BMN–1.0 mol % CuO | 400 | ∼21 | 4.02 | 57.3 | (66) |
| 0.85KNN–0.15ST | 400 | ∼26 | 4.03 | ∼52 | (92) |
| 0.9KNN–0.1BMN | 300 | ∼34 | 4.08 | ∼62.7 | (91) |
a
t of the bulk ceramics is commonly >0.1 mm.