Figure 4 | Scientific Reports

Figure 4

From: Manganese oxide electrode with excellent electrochemical performance for sodium ion batteries by pre-intercalation of K and Na ions

Figure 4The alternative text for this image may have been generated using AI.

(a) CV curves of the as-prepared manganese oxide electrodes at scan rate of 1 mV s−1, (b) CV curves of M2 electrode at different scan rates, (c) The relationship of specific capacitance versus inverse square root of scan rate, and (d) The relationship of inverse specific capacity versus square root of scan rate.

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