Table 2
The materials, preparation method, thickness, open-circuit voltage and short-circuit current of PENGs reported in the literatures
| Material | Preparation method | Thickness (μm) | Open circuit voltage (V) | Short-circuit current (μA) | Year | Ref. |
| NiO@SiO2 and PVDF | Hydrothermal reaction | 200 | 53 | 1.2 | 2018 | [130] |
| MgO/P(VDF-TrFE) | Hydrothermal reaction | 20 | 2 | 0.1 | 2018 | [131] |
| CsPbBr3/PVDF | Electrostatic spinning | ‒ | 120 | 35 | 2020 | [127] |
| KNN NRs@PVDF | Hydrothermal reaction | 150 | 3.4 | 0.1 | 2020 | [128] |
| Pomegranate peel/PVDF | Hydrothermal reaction | 40 | 65 | ‒ | 2020 | [129] |
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