Table 4 The comparison of the performance among the parallel connection 63NiO/GaP, the optimal single 63NiO/GaP, the conventional 63Ni-NiO/GaP and the conventional 63Ni-NiO/diamond heterojunction nuclear batteries.
Structure | \(J_\text {sc}\) (nA\(\cdot \hbox {cm}^{-2}\)) | \(V_\text {oc}\) (V) | \(P_\text {m}\) (nW\(\cdot \hbox {cm}^{-2}\)) | FF \((\%)\) | \(\eta\) \((\%)\) |
|---|---|---|---|---|---|
Single 63NiO/GaP | 2411.1 | 1.48 | 2618.3 | 73.37 | 2.68 |
Parallel 63NiO/GaP | 4818.8 | 1.48 | 5236.2 | 73.42 | 2.68 |
63Ni-NiO/GaP | 173.55 | 1.36 | 163.04 | 69.08 | 0.59 |
63Ni-NiO/diamond | 93.691 | 3.89 | 341.85 | 93.80 | 1.23 |
