MnO<sub>2</sub>Nanosheets Anchored on a Biomass-Derived Porous Carbon for High-Performance Supercapacitors

作     者：Xiangyu Ding Guojiang Wu Xiangyu Ding;Guojiang Wu

作者机构：Hefei No. 8 High School Hefei China Institute of Plasma Physics Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei China 

出 版 物：《Open Journal of Energy Efficiency》 (能源效率（英文）)

年 卷 期：2021年第10卷第3期

页      面：73-80页

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

主　　题：Composite Electrode MnO2 Sweet Potato Biomass Supercapacitors 

摘      要：Considering the great potential of composite electrode with carbon and transition metal oxides as a future ideal form of electrode for future energy storing system, many efforts have been devoted into such aspect of research. Sweet potato-derived carbon framework with nanosheet form of MnO2 anchored on it was carried out through the low-temperature solution grown technique, which is simple, low-cost, and applicable for large-scale commercial production. Such form of composite electrode can facilitate the inner transportation of electrons and ions, and offer high specific capacitance (309 F/g at 0.5 A/g) with comparable discharging rate capability (94 F/g at 20 A/g), which reasonably can be regarded as a superior form of composite electrode.