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

Fig. 5. Long cycling performances of Na0.62Mn0.67Ni0.23Cu0.05Mg0.09-2yTiyO2 and NaMNO2 cathodes.

Fig. 5

Charge/discharge profiles of a CuMgTi-571 and b NaMNO2 at 1 C (120 mA g−1) between 2.0 and 4.3 V. c Cycling performances of Na0.62Mn0.67Ni0.23Cu0.05Mg0.09-2yTiyO2 and NaMNO2 at 1.0 C (120 mA g−1) for 500 cycles; d Long-term cycling behavior of CuMgTi-571 and NaMNO2 at high rate of 10 C (1200 mA g−1). Long cycling tests were conducted in coin cells using Na metal as an anode at 25 °C. Hollow and solid circles in (c, d) represent charge and discharge capacity, respectively.