Table 2 Estimates of parameter vector θ=[α,C α ,r S ,r P ] for various voltage steps excitations, C n =100 F, U n =2.7 V and R=0.985 Ω)
From: Estimation of Supercapacitor Energy Storage Based on Fractional Differential Equations
U step | α | C α | r S | r P |
|---|---|---|---|---|
[V] | – | F s α−1 | m Ω | Ω |
0.5 | -0.9594 | 84.9 | 17.7 | 1.28e+16 |
1.0 | -0.9561 | 84.9 | 37.4 | 1.19e+21 |
1.5 | -0.9398 | 79.5 | 16.1 | 1.46e+16 |
2.0 | -0.9006 | 68.4 | 12.9 | 6.20e+17 |
2.7 | -0.8788 | 63.8 | 9.4 | 1.45e+14 |