Table 2.
The pyroelectric energy density harvested per cycle of various recently reported pyroelectric materials.
| Materials | Tlow (K) | Thigh (K) | Elow (kV/cm) | Ehigh (kV/cm) | Pyroelectric energy density harvested (kJ/m3 cycle) | References |
|---|---|---|---|---|---|---|
| PbZr0.53Ti0.47O3/CoFe204 (thin film) | 100 | 300 | 0 | 400 | 47,372 | 35 |
| Hf0.2Zr0.8O2 (thin film) | 298 | 423 | 0 | 3260 | 11,500 | 36 |
| Pb0.99Nb0.02 (Zr0.55Sn0.40Ti0.05)0.98 O3 (thin film) | 298 | 498 | 218 | 1091 | 7350 | 37 |
| 0.68PbMg1/3Nb2/3O3–0.32PbTiO3 (thin film) | 303 | 323 | 0 | 600 | 8000 | 38 |
| 0.68PbMg1/3Nb2/3O3–0.32PbTiO3 (thin film) | 298 | 388 | 125 | 392 | 1000 | 16 |
| Bi0.5Na0.44K0.06Ti03 (bulk ceramic) | 298 | 393 | 1 | 52 | 1986 | 39 |
| BaZr0.2Ti0.8–Ba0.7Ca0.3TiO3 (bulk ceramic) | 297 | 369 | 0 | 20 | 149 | 15 |
| BaZr0.2Ti0.8/Ba0.7Ca0.3TiO3 (multilayer thin film) | 293 | 373 | 436 | 985 | 10,970 | This work |