Comparing the Electrochemical Performance of <svg     style="vertical-align:-4.32007pt;width:77.412498px;" id="M1" height="20.4125" version="1.1" viewBox="0 0 77.412498 20.4125" width="77.412498"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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			<g transform="matrix(.016,-0,0,-.016,68.875,20.35)"><path id="x1D7D2" d="M476 255v-111h-64v-144h-145v144h-248v113l313 431h80v-433h64zM60 255h208v294z" /></g>

		
	
</svg>/C Modified by Mg Doping and MgO Coating

<table>The electrochemical impedance spectra profile of samples and equivalent circuit (inset).</table>

Journal of Nanomaterials

fig8

Figure 8

Figure 8: Comparing the Electrochemical Performance of <svg     style="vertical-align:-4.32007pt;width:77.412498px;" id="M1" height="20.4125" version="1.1" viewBox="0 0 77.412498 20.4125" width="77.412498"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,14.975)"><path id="x4C" d="M495 163l30 -6q-19 -99 -36 -157h-453v28q63 5 77.5 20t14.5 78v400q0 63 -13 77t-75 19v28h261v-28q-61 -5 -74.5 -19t-13.5 -77v-395q0 -41 5 -59t18 -25q24 -13 96 -13q85 0 112 31q30 33 51 98z" /></g><g transform="matrix(.022,-0,0,-.022,12.122,14.975)"><path id="x69" d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" /></g><g transform="matrix(.022,-0,0,-.022,18.13,14.975)"><path id="x46" d="M493 503l-29 -4q-13 56 -28 80q-13 22 -35.5 29.5t-78.5 7.5h-76q-22 0 -27.5 -5t-5.5 -27v-238h103q66 0 82.5 12t25.5 62h29v-193h-29q-9 54 -25.5 67t-82.5 13h-103v-181q0 -64 15 -78.5t84 -19.5v-28h-272v28q61 5 74.5 19.5t13.5 78.5v399q0 64 -13 78t-72 19v28
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			<g transform="matrix(.016,-0,0,-.016,68.875,20.35)"><path id="x1D7D2" d="M476 255v-111h-64v-144h-145v144h-248v113l313 431h80v-433h64zM60 255h208v294z" /></g>

		
	
</svg>/C Modified by Mg Doping and MgO Coating 

Journal of Nanomaterials

Comparing the Electrochemical Performance of /C Modified by Mg Doping and MgO Coating

Figure 8