Figure 4 | Scientific Reports

Figure 4

From: Contactless actuation of perfluorinated ionomer membranes in salt solution: an experimental investigation

Figure 4

(a) Effect of the solution concentration and applied voltage on the total charge stored at the electrodes, and (b) effect of the width on the charge. The band inside each box indicates the median, and the bottom and top of the box identify the first and third quartiles, respectively. The whiskers delimit the 1.5-interquartile range of the data, and the crosses are realizations out of this range. A significant difference (p < 0.05) from post-hoc comparisons of conditions with only one different explanatory variable is indicated through braces with an asterisk.

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