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. 2022 May 20;13:2826. doi: 10.1038/s41467-022-30113-0

Fig. 6. Investigations on the Na-ion diffusion coefficient for different cathode materials.

Fig. 6

GITT curves and corresponding Na+ diffusion coefficients of a CuMgTi-571 and b NaMNO2 during the charge and discharge processes. cf The average Na+ diffusion coefficient of CuMgTi-571 and NaMNO2 in different voltage regions. GITT tests were performed in coin cells using Na metal as an anode at 25 °C.