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Fig. 4 | Nano Convergence

Fig. 4

From: Reversible flowering of CuO nanoclusters via conversion reaction for dual-ion Li metal batteries

Fig. 4

Electrochemical performance of cathodes. a Cyclic performance. Galvanostatic voltage profiles at the b 1st and c 233rd cycles of the multi-yolk–shell (MYS)-CuO cathodes without PAN (MYS), with non-cyclized PAN (P-MYS), and with PAN cyclized at 200, 250, and 280 °C (P-200-MYS, P-250-MYS, and P-280-MYS, respectively) at 0.2 C. d Potential differences calculated at a depth of discharge of 50% and state of charge of 50% using the galvanostatic voltage profiles in b and c. e Rate capability of the cathodes at 0.1, 0.2, 0.5, and 1 C (1 C = 300 mA g− 1 for CuO).

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