Hollow activated carbon with unique through-pore structure derived from reed straw for high-performance supercapacitors

•Hollow activated carbons (HACs) with unique through-pore structure derived from reed straw were prepared with KOH activation.•The specific capacitance of the assembled electrodes is up to 290Fg−1 even at a very high current density of 30Ag−1.•The HACs possess a high specific surface area of 2387m2g...

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Veröffentlicht in:	Materials letters 2017-04, Vol.193, p.279-282
Hauptverfasser:	Dai, Changchao, Wan, Jiafeng, Shao, Jinqiu, Ma, Fangwei
Format:	Artikel
Sprache:	eng
Schlagworte:	Activated carbon Capacitance Density Electrochemical analysis Electrode materials Electrodes Energy storage Materials science Porosity Reed straw Straw Studies Supercapacitor Supercapacitors
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