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Fig. 3 | PhotoniX

Fig. 3

From: Ultrafast laser one-step construction of 3D micro-/nanostructures achieving high-performance zinc metal anodes

Fig. 3

Electrochemical performance of different electrodes. GCD curves of Zn//Zn and 3D-ULPT-Zn//3D-ULPT-Zn symmetric cells at different current densities and capacities: (a) 2 mA cm-2, 1 mAh cm-2, (b) 15 mA cm-2, 1 mAh cm-2, (c) 15 mA cm-2, 15 mAh cm-2. d Rate performance. e Polarization voltages of bare Zn and 3D-ULPT-Zn anodes under different current densities with a fixed areal capacity of 1 mAh cm-2. f Arrhenius curves and comparison in Ea of bare Zn and 3D-ULPT-Zn anodes. g The lifespan comparison between this work and the previously reported 3D structure construction methods. h CEs of Zn//Cu and 3D-ULPT-Zn//Cu asymmetric cells. Voltage-capacity profiles of (i) Zn//Cu, and (J) 3D-ULPT-Zn//Cu asymmetric cells

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