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The original article inadvertently used an incomplete dataset in Fig. 2c for 50 psi-B. A corrected version of Fig. 2 is provided below.
Figure 2. Capacity fading vs cycle number at different pressure conditions. Here the capacity fading is represented by the capacity loss percentage of the initial capacity. Rigid plates (a) and PUF cells at 10 psi (b), 50 psi (c), and 125 psi (d). As mentioned in the experimental section, the stack pressure of the rigid plates is approximately 20 psi. (e) shows the average capacity fading per XFC cycle for different external pressures.
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We note that this error does not change the results presented in the manuscript. All analyses and results of this manuscript, as well as the two review processes, are based on the correct dataset.