Fig. 4: Electrochemical energy storage performance of the MoS1.5Te0.5@C nanocables||EG dual-ion cells. | Nature Communications

Fig. 4: Electrochemical energy storage performance of the MoS1.5Te0.5@C nanocables||EG dual-ion cells.

From: Carbon-coated MoS1.5Te0.5 nanocables for efficient sodium-ion storage in non-aqueous dual-ion batteries

Fig. 4

a Schematic illustration of the MoS1.5Te0.5@C nanocables||EG dual-ion cell, b potential profiles for the Na metal||EG, Na metal||MoS1.5Te0.5@C nanocables and MoS1.5Te0.5@C nanocables||EG cells in 3 M NaPF6 in EC/EMC/DMC (1:1:1, by volume) electrolyte solution at 25 °C. c Cycling stability at 0.1 A g−1 and d rate performance profiles at various rates (from 0.1 to 5 A g−1) for SDIBs with different NaPF6 salt concentration (i.e., 1.0, 2.0, and 3.0 M) in EC/EMC/DMC (1:1:1, by volume). e Charging-discharging curves in a 3 M NaPF6 in EC/EMC/DMC (1:1:1, by volume) electrolyte solution at 25 °C, and f long-term cycling stability of MoS1.5Te0.5@C nanocables||EG dual-ion cell at 1 A g−1 in a 3 M NaPF6 in EC/EMC/DMC (1:1:1, by volume) electrolyte solution at 25 °C. Inset in (f) the coulombic efficiency (CE) of initial 10 cycles (left), the corresponding charge-discharge curves at 1 A g−1 from 192 to 206 h (middle) and the digital photographs of the “DIB” logo composing of 42 LEDs light up by one single cell (right).

Back to article page