<span style="font-family:Verdana;">Hierarchical porous activated carbon is a superior material in manufacturing supercapacitors. However, the hierarchical porous structure is hard to obtain from a sing...<span style="font-family:Verdana;">Hierarchical porous activated carbon is a superior material in manufacturing supercapacitors. However, the hierarchical porous structure is hard to obtain from a single activation method. This work was carried out with the anticipa</span><span style="font-family:Verdana;">tion</span><span style="font-family:Verdana;"> of producing activated carbon by reactivating corn flour with KOH. By em</span><span style="font-family:Verdana;">ploying the electrodes, the supercapacitor demonstrated a high discharge capacitance (151.2 F<span style="font-family:Verdana, Helvetica, Arial;white-space:normal;background-color:#FFFFFF;">·</span>g<sup>-1</sup> at 1 A<span style="font-family:Verdana;white-space:normal;"><span style="font-family:" font-size:13.3333px;white-space:normal;"=""><span class="color-dim" style="box-sizing:border-box;color:#636363;font-family:Montserrat, system-ui, -apple-system, BlinkMacSystemFont, " font-size:40px;text-align:center;white-space:normal;background-color:#ffffff;"=""><span style="font-family:Verdana, Helvetica, Arial;white-space:normal;background-color:#FFFFFF;">·</span></span><span style="color:#191E3F;font-family:Montserrat, system-ui, -apple-system, BlinkMacSystemFont, " font-size:40px;text-align:center;white-space:normal;background-color:#ffffff;"=""></span></span></span>g<span style="font-family:Verdana;font-size:10px;white-space:normal;"><sup>-1</sup></span>), and the specific capacitance is with 3.7 times </span><span style="font-family:Verdana;">more capacitance than the activated carbon only through H<sub></sub></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sub>3</sub></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">PO<sub></sub></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sub>4</sub></span></span></span><span style="font-fa展开更多
文摘<span style="font-family:Verdana;">Hierarchical porous activated carbon is a superior material in manufacturing supercapacitors. However, the hierarchical porous structure is hard to obtain from a single activation method. This work was carried out with the anticipa</span><span style="font-family:Verdana;">tion</span><span style="font-family:Verdana;"> of producing activated carbon by reactivating corn flour with KOH. By em</span><span style="font-family:Verdana;">ploying the electrodes, the supercapacitor demonstrated a high discharge capacitance (151.2 F<span style="font-family:Verdana, Helvetica, Arial;white-space:normal;background-color:#FFFFFF;">·</span>g<sup>-1</sup> at 1 A<span style="font-family:Verdana;white-space:normal;"><span style="font-family:" font-size:13.3333px;white-space:normal;"=""><span class="color-dim" style="box-sizing:border-box;color:#636363;font-family:Montserrat, system-ui, -apple-system, BlinkMacSystemFont, " font-size:40px;text-align:center;white-space:normal;background-color:#ffffff;"=""><span style="font-family:Verdana, Helvetica, Arial;white-space:normal;background-color:#FFFFFF;">·</span></span><span style="color:#191E3F;font-family:Montserrat, system-ui, -apple-system, BlinkMacSystemFont, " font-size:40px;text-align:center;white-space:normal;background-color:#ffffff;"=""></span></span></span>g<span style="font-family:Verdana;font-size:10px;white-space:normal;"><sup>-1</sup></span>), and the specific capacitance is with 3.7 times </span><span style="font-family:Verdana;">more capacitance than the activated carbon only through H<sub></sub></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sub>3</sub></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">PO<sub></sub></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sub>4</sub></span></span></span><span style="font-fa
