Table 1 Device parameters used in the experiment and simulation
From: A Portable Triboelectric Nanogenerator for Real-Time Respiration Monitoring
Parameter | Value |
|---|---|
Dielectric tribo-pair | PTFE-nylon |
Thickness of nylon plate d1 (μm) | 30 |
Relative permittivity of nylon εr1 | 2.55 |
Thickness of PTFE plate d2 (μm) | 100 |
Relative permittivity of PTFE εr2 | 3.8 |
Permittivity of vacuum ε0 (pF/m) | 8.854 |
Load resistance R (MΩ) | 500 |
Area of the dielectrics S (cm2) | 25 |
Surface charge density σ (μCm−2) | 86 |
Maximum separate distance A (mm) | 8 |
Cycle length of the excitation pattern T (s) | 1.4952 |
Speed of sliding outwards / inwards v1 / v2 (m/s) | 0.02/0.016 |
Ratio of the exhalation time to the whole breathing cycle η | 0.267 |