Fig. 5: Electrochemical performance of the quasi-solid-state Na ion capacitor. | NPG Asia Materials

Fig. 5: Electrochemical performance of the quasi-solid-state Na ion capacitor.

From: Exposed high-energy facets in ultradispersed sub-10 nm SnO2 nanocrystals anchored on graphene for pseudocapacitive sodium storage and high-performance quasi-solid-state sodium-ion capacitors

Fig. 5: Electrochemical performance of the quasi-solid-state Na ion capacitor.The alternative text for this image may have been generated using AI.

a Schematic illustration. b Adjustment of the mass ratios of the positive and negative electrodes. c GCD curves d and the corresponding specific capacitances at various current densities. e Ragone plots. f Cycling behavior at a current density of 0.5 A g−1

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