Figure 5

(a) Rate performance and cycling stability of the CoMoO₄@NiMoO₄·xH₂O electrode under different current densities; (b) Charge and discharge curves of the CoMoO₄@NiMoO₄·xH₂O electrode under bending and twisting of three different forms. The insets are the images of the CoMoO₄@NiMoO₄·xH₂O electrode under bending and twisting of three different forms; (c) Cycling performance of the CoMoO₄@NiMoO₄·xH₂O electrode at a discharge current density of 3A g⁻¹ under different bending conditions for 3000 cycles. The insets are charge-discharge curves at a current density of 3A g⁻¹ after the first tenth of cycles.